{"product_id":"l-cysteine-cas-52-90-4","title":"L-Cysteine | CAS 52-90-4 | ≥97%","description":"\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"background: #002147; padding: 10px 20px; margin-bottom: 0;\"\u003e\u003ch3 style=\"margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0.70em; font-weight: bold; letter-spacing: 0.12em; text-transform: uppercase; color: #fff;\"\u003eTechnical Specifications\u003c\/h3\u003e\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.95em; border: 1px solid #e4e8f0; border-top: none; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eCAS Number\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003e52-90-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eEC \/ EINECS Number\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003e200-158-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eMDL Number\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003eMFCD00064306\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eRTECS Number\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003eHA1600000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eSMILES\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0; word-break: break-all;\"\u003eC([C@@H](C(=O)O)N)S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eInChI\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0; word-break: break-all;\"\u003eInChI=1S\/C3H7NO2S\/c4-2(1-7)3(5)6\/h2,7H,1,4H2,(H,5,6)\/t2-\/m0\/s1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eInChIKey\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0; word-break: break-all;\"\u003eXUJNEKJLAYXESH-REOHCLBHSA-N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003ePubChem CID\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003e5862\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eMolecular Formula\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003eC₃H₇NO₂S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eMolecular Weight\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003e121.16 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eMelting Point\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003e240 °C (dec.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eSolubility\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003eSoluble in water, 1 M hydrochloric acid, ethanol, acetic acid and aqueous ammonia. Insoluble in ether, acetone, ethyl acetate and benzene.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eLog Pow\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003e-2.49\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003ePurity\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003e≥97%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003ePhysical Form\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003eWhite crystalline powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eHS Code\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003e2930.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; border-bottom: 1px solid #e4e8f0; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eShelf Life\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003eRetest period: 36 months from date of manufacture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 16px; font-weight: 600; color: #002147; width: 200px; background: #f7f8fb; font-size: 0.95em; vertical-align: top;\"\u003eStorage Conditions\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333;\"\u003eStore under inert gas at room temperature in a tightly sealed container, protected from light and moisture.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"background: #002147; padding: 10px 20px; margin-bottom: 0;\"\u003e\n\u003ch3 style=\"margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0.70em; font-weight: bold; letter-spacing: 0.12em; text-transform: uppercase; color: #fff;\"\u003eProduct Description \u0026amp; Scientific Applications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px 20px; border: 1px solid #e4e8f0; border-top: none; font-family: Georgia, 'Times New Roman', serif; font-size: 0.95em; line-height: 1.65; color: #333;\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\n\u003cstrong\u003eL-Cysteine\u003c\/strong\u003e is a sulfur-containing proteinogenic amino acid that is incorporated into proteins as directed by the genetic code. In proteins, cysteine provides the disulfide linkage.\u003c\/p\u003e\n\u003cp\u003eIts thiol side chain takes part in a variety of oxidation–reduction reactions within the cell. L-Cysteine is an essential precursor of inorganic sulfate and coenzyme A, and it is essential and limiting for the formation of the antioxidant glutathione within the cell. Cysteine is also involved in the formation of hydrogen sulfide, which is used as a signalling molecule.\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eThiol–maleimide chemistry.\u003c\/strong\u003e L-Cysteine has been used to quench unreacted maleimide during antibody grafting. Its reaction with 6-maleimidohexanoic acid is a Michael-type thiol–maleimide addition.\u003c\/p\u003e\n\u003cdiv style=\"margin:8px 0 18px 0;\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:2px;\"\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"130px\" height=\"100px\" viewbox=\"0 0 130 100\"\u003e\n\u003cpath d=\"M 62.0,48.7 L 49.2,58.0 L 47.6,55.1 Z\" style=\"fill:#000;stroke-width:0.4px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,48.7 L 62.0,26.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,26.7 L 47.3,18.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,48.7 L 81.1,59.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.1,61.6 L 96.3,52.8\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 79.4,58.7 L 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y=\"128.5\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"64.2\" y=\"55.1\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"85.8\" y=\"33.6\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eN\u003c\/text\u003e\n\u003ctext x=\"75.8\" y=\"19.7\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eR\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px;margin:4px 0 0 0;\"\u003e\n\u003cem\u003eGeneral reaction: L-cysteine + N-substituted maleimide → thioether adduct (Michael-type thiol–maleimide addition).\u003c\/em\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\n\u003cstrong\u003eS-Nitrosylation.\u003c\/strong\u003e L-Cysteine has been used to prepare S-nitrosocysteine stock solutions, which induce S-nitrosylation as a reversible cysteine modification.\u003c\/p\u003e\n\u003cdiv style=\"margin:8px 0 18px 0;\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:2px;\"\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"130px\" height=\"100px\" viewbox=\"0 0 130 100\"\u003e\n\u003cpath d=\"M 62.0,48.7 L 49.2,58.0 L 47.6,55.1 Z\" style=\"fill:#000;stroke-width:0.4px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,48.7 L 62.0,26.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,26.7 L 47.3,18.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,48.7 L 81.1,59.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.1,61.6 L 96.3,52.8\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 79.4,58.7 L 94.6,49.9\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.1,59.7 L 81.1,77.0\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,47.6 L 62.0,48.7 L 63.0,49.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,27.8 L 62.0,26.7 L 61.3,26.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 80.1,59.1 L 81.1,59.7 L 81.1,60.5\"\u003e\u003c\/path\u003e\n\u003ctext x=\"25.7\" y=\"66.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"34.8\" y=\"71.6\" style=\"font-size:8px;stroke:none;font-family:sans-serif;fill:#000\"\u003e2\u003c\/text\u003e\n\u003ctext x=\"39.0\" y=\"66.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eN\u003c\/text\u003e\n\u003ctext x=\"30.2\" y=\"22.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"39.3\" y=\"22.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eS\u003c\/text\u003e\n\u003ctext x=\"96.2\" y=\"55.2\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"77.2\" y=\"88.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"86.3\" y=\"88.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003cdiv style=\"display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:90px;max-width:150px;padding:0 4px;text-align:center;font-size:12px;line-height:1.3;\"\u003e\n\u003cdiv\u003enitrosation\u003c\/div\u003e\n\u003cdiv style=\"font-size:30px;line-height:1;\"\u003e⟶\u003c\/div\u003e\n\u003cdiv\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"150px\" height=\"110px\" viewbox=\"0 0 150 110\"\u003e\n\u003cpath d=\"M 75.0,67.5 L 64.3,75.4 L 62.9,73.0 Z\" style=\"fill:#000;stroke-width:0.4px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 75.0,67.5 L 75.0,49.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 75.0,49.1 L 62.9,42.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 59.0,35.9 L 59.0,27.5\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 55.7,17.9 L 47.6,13.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 54.4,20.3 L 46.2,15.6\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 75.0,67.5 L 91.0,76.8\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 91.0,78.4 L 103.8,71.0\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 89.6,76.0 L 102.4,68.6\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 91.0,76.8 L 91.0,91.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 75.0,66.6 L 75.0,67.5 L 75.8,68.0\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 75.0,50.0 L 75.0,49.1 L 74.4,48.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 90.2,76.3 L 91.0,76.8 L 91.0,77.5\"\u003e\u003c\/path\u003e\n\u003ctext x=\"44.5\" y=\"82.3\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"52.1\" y=\"86.8\" style=\"font-size:7px;stroke:none;font-family:sans-serif;fill:#000\"\u003e2\u003c\/text\u003e\n\u003ctext x=\"55.7\" y=\"82.3\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eN\u003c\/text\u003e\n\u003ctext x=\"55.7\" y=\"45.4\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eS\u003c\/text\u003e\n\u003ctext x=\"55.7\" y=\"26.9\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eN\u003c\/text\u003e\n\u003ctext x=\"39.6\" y=\"17.7\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"103.7\" y=\"73.1\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"87.7\" y=\"100.8\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"95.4\" y=\"100.8\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px;margin:4px 0 0 0;\"\u003e\n\u003cem\u003eGeneral reaction: L-cysteine → S-nitrosocysteine.\u003c\/em\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\n\u003cstrong\u003eThiazolidine synthesis.\u003c\/strong\u003e L-Cysteine, aldehydes and 3-(acetylsulfanyl)propionyl chloride have been used to prepare 2-substituted (2\u003cem\u003eR\u003c\/em\u003e,4\u003cem\u003eR\u003c\/em\u003e)-3-(3-mercaptopropionyl)thiazolidine-4-carboxylic acids.\u003c\/p\u003e\n\u003cdiv style=\"margin:8px 0 18px 0;\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:2px;\"\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"130px\" height=\"100px\" viewbox=\"0 0 130 100\"\u003e\n\u003cpath d=\"M 62.0,48.7 L 49.2,58.0 L 47.6,55.1 Z\" style=\"fill:#000;stroke-width:0.4px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,48.7 L 62.0,26.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,26.7 L 47.3,18.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,48.7 L 81.1,59.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.1,61.6 L 96.3,52.8\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 79.4,58.7 L 94.6,49.9\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.1,59.7 L 81.1,77.0\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,47.6 L 62.0,48.7 L 63.0,49.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,27.8 L 62.0,26.7 L 61.3,26.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 80.1,59.1 L 81.1,59.7 L 81.1,60.5\"\u003e\u003c\/path\u003e\n\u003ctext x=\"25.7\" y=\"66.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"34.8\" y=\"71.6\" style=\"font-size:8px;stroke:none;font-family:sans-serif;fill:#000\"\u003e2\u003c\/text\u003e\n\u003ctext x=\"39.0\" y=\"66.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eN\u003c\/text\u003e\n\u003ctext x=\"30.2\" y=\"22.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"39.3\" y=\"22.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eS\u003c\/text\u003e\n\u003ctext x=\"96.2\" y=\"55.2\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"77.2\" y=\"88.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"86.3\" y=\"88.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003cdiv style=\"font-size:20px;padding:0 4px;align-self:center;\"\u003e+\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"90px\" height=\"70px\" viewbox=\"0 0 90 70\"\u003e\n\u003cpath d=\"M 58.7,34.5 L 44.3,42.8\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 44.3,42.8 L 29.9,34.5\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 44.3,39.0 L 31.6,31.6\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 45.0,42.4 L 44.3,42.8 L 43.6,42.4\"\u003e\u003c\/path\u003e\n\u003ctext x=\"59.4\" y=\"38.4\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eR\u003c\/text\u003e\n\u003ctext x=\"22.1\" y=\"37.0\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003cdiv style=\"font-size:20px;padding:0 4px;align-self:center;\"\u003e+\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"150px\" height=\"80px\" viewbox=\"0 0 150 80\"\u003e\n\u003cpath d=\"M 14.1,54.9 L 33.1,44.0\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 34.8,44.9 L 34.8,29.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 31.5,44.9 L 31.5,29.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 33.1,44.0 L 47.5,52.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 56.8,52.3 L 71.2,44.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 71.2,44.1 L 90.3,55.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 90.3,55.1 L 109.3,44.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 111.0,45.1 L 111.0,29.5\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 107.7,45.1 L 107.7,29.5\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 109.3,44.1 L 123.7,52.5\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 32.2,44.5 L 33.1,44.0 L 33.8,44.4\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 70.5,44.5 L 71.2,44.1 L 72.2,44.6\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 89.3,54.5 L 90.3,55.1 L 91.2,54.6\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 108.4,44.7 L 109.3,44.1 L 110.1,44.6\"\u003e\u003c\/path\u003e\n\u003ctext x=\"29.2\" y=\"28.6\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"48.2\" y=\"61.6\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eS\u003c\/text\u003e\n\u003ctext x=\"105.4\" y=\"28.7\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"124.4\" y=\"61.8\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eC\u003c\/text\u003e\n\u003ctext x=\"133.5\" y=\"61.8\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003el\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003cdiv style=\"display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:90px;max-width:150px;padding:0 4px;text-align:center;font-size:12px;line-height:1.3;\"\u003e\n\u003cdiv\u003eseveral steps\u003c\/div\u003e\n\u003cdiv style=\"font-size:30px;line-height:1;\"\u003e⟶\u003c\/div\u003e\n\u003cdiv\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"190px\" height=\"140px\" viewbox=\"0 0 190 140\"\u003e\n\u003cpath d=\"M 131.6,65.9 L 130.8,81.5\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 128.3,65.7 L 127.5,81.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 129.2,80.4 L 142.9,89.4\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 112.5,89.2 L 112.3,88.7\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 115.4,88.1 L 114.9,87.1\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 118.3,86.9 L 117.6,85.4\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 121.3,85.7 L 120.3,83.7\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 124.2,84.5 L 122.9,82.1\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 127.1,83.3 L 125.6,80.4\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 109.6,90.4 L 106.1,112.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 106.1,112.1 L 89.1,114.8\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 82.0,110.9 L 74.4,96.0\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 71.1,95.8 L 71.2,95.1\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 67.8,95.6 L 68.0,94.3\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 64.5,95.4 L 64.8,93.4\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 61.2,95.2 L 61.6,92.6\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 57.8,95.0 L 58.4,91.8\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 74.4,96.0 L 85.3,85.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 89.2,75.7 L 86.5,58.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 86.8,60.6 L 100.0,49.9\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 84.8,58.0 L 97.9,47.4\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 86.5,58.7 L 66.0,50.8\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 66.0,50.8 L 62.6,29.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.6,29.1 L 46.4,22.9\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 94.7,82.8 L 109.6,90.4\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 109.4,91.5 L 109.6,90.4 L 108.8,90.0\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 106.3,111.1 L 106.1,112.1 L 105.3,112.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 74.8,96.7 L 74.4,96.0 L 75.0,95.4\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 86.7,59.5 L 86.5,58.7 L 85.5,58.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 67.0,51.2 L 66.0,50.8 L 65.8,49.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.7,30.2 L 62.6,29.1 L 61.8,28.8\"\u003e\u003c\/path\u003e\n\u003ctext x=\"126.4\" y=\"65.1\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"143.7\" y=\"99.0\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"152.8\" y=\"99.0\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"80.4\" y=\"122.2\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eS\u003c\/text\u003e\n\u003ctext x=\"48.7\" y=\"99.1\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eR\u003c\/text\u003e\n\u003ctext x=\"86.0\" y=\"87.0\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eN\u003c\/text\u003e\n\u003ctext x=\"99.7\" y=\"51.5\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"29.3\" y=\"27.8\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"38.4\" y=\"27.8\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eS\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px;margin:4px 0 0 0;\"\u003e\n\u003cem\u003eGeneral reaction: L-cysteine + aldehyde + 3-(acetylsulfanyl)propionyl chloride → 2-substituted (2R,4R)-3-(3-mercaptopropionyl)thiazolidine-4-carboxylic acid.\u003c\/em\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\n\u003cstrong\u003eRaw material for cysteine derivatives.\u003c\/strong\u003e L-Cysteine is a key raw material for the manufacture of N-acetyl-L-cysteine and S-carboxymethyl-L-cysteine.\u003c\/p\u003e\n\u003cdiv style=\"margin:8px 0 18px 0;\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:2px;\"\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"130px\" height=\"100px\" viewbox=\"0 0 130 100\"\u003e\n\u003cpath d=\"M 62.0,48.7 L 49.2,58.0 L 47.6,55.1 Z\" style=\"fill:#000;stroke-width:0.4px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,48.7 L 62.0,26.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,26.7 L 47.3,18.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,48.7 L 81.1,59.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.1,61.6 L 96.3,52.8\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 79.4,58.7 L 94.6,49.9\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.1,59.7 L 81.1,77.0\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,47.6 L 62.0,48.7 L 63.0,49.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,27.8 L 62.0,26.7 L 61.3,26.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 80.1,59.1 L 81.1,59.7 L 81.1,60.5\"\u003e\u003c\/path\u003e\n\u003ctext x=\"25.7\" y=\"66.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"34.8\" y=\"71.6\" style=\"font-size:8px;stroke:none;font-family:sans-serif;fill:#000\"\u003e2\u003c\/text\u003e\n\u003ctext x=\"39.0\" y=\"66.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eN\u003c\/text\u003e\n\u003ctext x=\"30.2\" y=\"22.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"39.3\" y=\"22.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eS\u003c\/text\u003e\n\u003ctext x=\"96.2\" y=\"55.2\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"77.2\" y=\"88.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"86.3\" y=\"88.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003cdiv style=\"display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:90px;max-width:150px;padding:0 4px;text-align:center;font-size:12px;line-height:1.3;\"\u003e\n\u003cdiv\u003eN-acetylation\u003c\/div\u003e\n\u003cdiv style=\"font-size:30px;line-height:1;\"\u003e⟶\u003c\/div\u003e\n\u003cdiv\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"160px\" height=\"110px\" viewbox=\"0 0 160 110\"\u003e\n\u003cpath d=\"M 25.9,42.7 L 45.0,53.6\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 43.3,52.7 L 43.4,70.9\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 46.6,52.7 L 46.7,70.9\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 45.0,53.6 L 59.3,45.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 68.7,45.2 L 83.1,53.5\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 82.8,56.6 L 83.4,56.6\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 82.6,59.8 L 83.7,59.8\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 82.3,62.9 L 84.0,62.9\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 82.0,66.0 L 84.2,66.0\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.8,69.2 L 84.5,69.2\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.5,72.3 L 84.8,72.3\" style=\"stroke-width:0.8px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 83.2,75.5 L 68.5,84.0\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 83.1,53.5 L 102.1,42.4\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 103.8,43.4 L 103.7,27.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 100.5,43.4 L 100.4,27.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 102.1,42.4 L 116.5,50.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 44.0,53.1 L 45.0,53.6 L 45.7,53.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 82.4,53.1 L 83.1,53.5 L 84.0,52.9\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 101.2,43.0 L 102.1,42.4 L 102.8,42.8\"\u003e\u003c\/path\u003e\n\u003ctext x=\"41.1\" y=\"82.2\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"60.0\" y=\"49.1\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eN\u003c\/text\u003e\n\u003ctext x=\"60.0\" y=\"37.5\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"51.4\" y=\"93.1\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"60.5\" y=\"93.1\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eS\u003c\/text\u003e\n\u003ctext x=\"98.1\" y=\"27.0\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"117.2\" y=\"59.9\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"126.3\" y=\"59.9\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px;margin:4px 0 0 0;\"\u003e\n\u003cem\u003eGeneral reaction: L-cysteine → N-acetyl-L-cysteine.\u003c\/em\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:8px 0 18px 0;\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:2px;\"\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"130px\" height=\"100px\" viewbox=\"0 0 130 100\"\u003e\n\u003cpath d=\"M 62.0,48.7 L 49.2,58.0 L 47.6,55.1 Z\" style=\"fill:#000;stroke-width:0.4px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,48.7 L 62.0,26.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,26.7 L 47.3,18.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,48.7 L 81.1,59.7\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.1,61.6 L 96.3,52.8\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 79.4,58.7 L 94.6,49.9\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 81.1,59.7 L 81.1,77.0\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,47.6 L 62.0,48.7 L 63.0,49.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 62.0,27.8 L 62.0,26.7 L 61.3,26.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 80.1,59.1 L 81.1,59.7 L 81.1,60.5\"\u003e\u003c\/path\u003e\n\u003ctext x=\"25.7\" y=\"66.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"34.8\" y=\"71.6\" style=\"font-size:8px;stroke:none;font-family:sans-serif;fill:#000\"\u003e2\u003c\/text\u003e\n\u003ctext x=\"39.0\" y=\"66.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eN\u003c\/text\u003e\n\u003ctext x=\"30.2\" y=\"22.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"39.3\" y=\"22.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eS\u003c\/text\u003e\n\u003ctext x=\"96.2\" y=\"55.2\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"77.2\" y=\"88.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"86.3\" y=\"88.3\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003cdiv style=\"display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:90px;max-width:150px;padding:0 4px;text-align:center;font-size:12px;line-height:1.3;\"\u003e\n\u003cdiv\u003eS-carboxymethylation\u003c\/div\u003e\n\u003cdiv style=\"font-size:30px;line-height:1;\"\u003e⟶\u003c\/div\u003e\n\u003cdiv\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" width=\"170px\" height=\"110px\" viewbox=\"0 0 170 110\"\u003e\n\u003cpath d=\"M 91.3,72.9 L 82.9,79.1 L 81.7,77.1 Z\" style=\"fill:#000;stroke-width:0.4px\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 91.3,72.9 L 91.3,57.5\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 91.3,57.5 L 81.7,52.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 77.9,46.0 L 77.9,34.5\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 77.9,34.5 L 64.6,26.8\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 64.6,25.5 L 54.5,31.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 65.7,27.4 L 55.7,33.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 64.6,26.8 L 64.6,17.4\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 91.3,72.9 L 104.6,80.6\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 104.6,81.9 L 114.7,76.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 103.5,80.0 L 113.5,74.1\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 104.6,80.6 L 104.6,92.2\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 91.3,72.2 L 91.3,72.9 L 91.9,73.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 91.3,58.3 L 91.3,57.5 L 90.8,57.3\"\u003e\u003c\/path\u003e\n\u003cpath d=\"M 77.9,35.0 L 77.9,34.5 L 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y=\"16.9\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003ctext x=\"114.6\" y=\"78.4\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"101.3\" y=\"101.5\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\n\u003ctext x=\"108.9\" y=\"101.5\" style=\"font-size:11px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px;margin:4px 0 0 0;\"\u003e\n\u003cem\u003eGeneral reaction: L-cysteine → S-carboxymethyl-L-cysteine.\u003c\/em\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"background: #002147; padding: 10px 20px; margin-bottom: 0;\"\u003e\u003ch3 style=\"margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0.70em; font-weight: bold; letter-spacing: 0.12em; text-transform: uppercase; color: #fff;\"\u003eShipping Destinations\u003c\/h3\u003e\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e4e8f0; border-top: none; padding: 12px 16px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0.95em;\"\u003e\u003cul style=\"margin: 0; padding: 0; list-style: none;\"\u003e\n\u003cli style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003cspan style=\"display: inline-block; width: 7px; height: 7px; background: #002147; border-radius: 50%; margin-right: 10px; vertical-align: middle;\"\u003e\u003c\/span\u003eEU \u0026amp; UK: Priority delivery, 2–5 business days.\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003cspan style=\"display: inline-block; width: 7px; height: 7px; background: #002147; border-radius: 50%; margin-right: 10px; vertical-align: middle;\"\u003e\u003c\/span\u003eUnited States (DDP): 3–7 business days, duties and taxes prepaid.\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003cspan style=\"display: inline-block; width: 7px; height: 7px; background: #002147; border-radius: 50%; margin-right: 10px; vertical-align: middle;\"\u003e\u003c\/span\u003eEFTA Countries (DDP): 3–7 business days, duties and taxes prepaid.\u003c\/li\u003e\n\u003cli style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003cspan style=\"display: inline-block; width: 7px; height: 7px; background: #002147; border-radius: 50%; margin-right: 10px; vertical-align: middle;\"\u003e\u003c\/span\u003eWorldwide: 7–14 business days, selected locations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"NorrChemica™","offers":[{"title":"5.0 g","offer_id":55253796553041,"sku":"NOR-52904-5g","price":49.2,"currency_code":"EUR","in_stock":true},{"title":"10 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