{"product_id":"s-binol-cas-18531-99-2","title":"(S)-1,1′-Bi-2-naphthol | CAS 18531-99-2 | ≥98%","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;\"\u003e18531-99-2\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;\"\u003eEC \/ EINECS Number\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 16px; color: #333; border-bottom: 1px solid #e4e8f0;\"\u003e606-050-5\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;\"\u003eMFCD00004068\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;\"\u003eDU3106100\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;\"\u003eOC=1C=CC=2C=CC=CC2C1C3=C(O)C=CC=4C=CC=CC43\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\/C20H14O2\/c21-17-11-9-13-5-1-3-7-15(13)19(17)20-16-8-4-2-6-14(16)10-12-18(20)22\/h1-12,21-22H\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;\"\u003ePPTXVXKCQZKFBN-UHFFFAOYSA-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;\"\u003e11762\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;\"\u003eC₂₀H₁₄O₂\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;\"\u003e286.33 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;\"\u003e208-210 °C\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 ethanol and tetrahydrofuran. Slightly soluble in toluene. Insoluble in water.\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≥98%\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 solid\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;\"\u003e2907.29.00\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 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\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\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\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003e(S)-1,1′-Bi-2-naphthol\u003c\/strong\u003e (BINOL) is a biaryl diol with axial chirality.\u003c\/p\u003e\n\u003cul style=\"margin:0; padding-left:22px;\"\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eTitanium catalysis.\u003c\/strong\u003e With titanium(IV) isopropoxide it forms a BINOL–Ti complex that catalyses the asymmetric addition of alkynylzinc reagents to unactivated ketones. A titanium(IV) catalyst of (S)-BINOL also gives enantioselective aryl transfer from triaryl(tetrahydrofuran)aluminium reagents to ketones.\u003cdiv style=\"margin:10px 0 4px 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;\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" font-family=\"sans-serif\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" width=\"110px\" height=\"90px\" viewbox=\"0 0 110 90\"\u003e\u003cpath d=\"M 58,55.2 L 58,37.9\"\u003e\u003c\/path\u003e\u003cpath d=\"M 58,39.8 L 73.2,31\"\u003e\u003c\/path\u003e\u003cpath d=\"M 56.4,37 L 71.5,28.2\"\u003e\u003c\/path\u003e\u003cpath d=\"M 58,37.9 L 40.9,28.1\"\u003e\u003c\/path\u003e\u003cpath d=\"M 58,38.8 L 58,37.9 L 57.1,37.4\" style=\"stroke-miterlimit:10\"\u003e\u003c\/path\u003e\u003ctext x=\"54.1\" y=\"66.5\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eR\u003c\/text\u003e\u003ctext x=\"73.1\" y=\"33.5\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\u003ctext x=\"28.6\" y=\"33.5\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eR\u003c\/text\u003e\u003ctext x=\"37.7\" y=\"33.5\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003e'\u003c\/text\u003e\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\u003cdiv style=\"font-size:20px;padding:0 4px;align-self:center;\"\u003e+\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\u003cdiv style=\"align-self:center;border:1px solid #888;border-radius:4px;padding:10px 12px;font-size:13px;\"\u003eR″C≡C–Zn\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\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\u003e(S)-BINOL, Ti(O\u003ci\u003ei\u003c\/i\u003ePr)\u003csub\u003e4\u003c\/sub\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size:30px;line-height:1;\"\u003e⟶\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;\"\u003e\n\u003csvg role=\"img\" style=\"max-width:100%;height:auto;\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" font-family=\"sans-serif\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" width=\"170px\" height=\"110px\" viewbox=\"0 0 170 110\"\u003e\u003cpath d=\"M 114.8,74.7 L 106.5,60.4\"\u003e\u003c\/path\u003e\u003cpath d=\"M 106.5,60.4 L 120.8,52.1\"\u003e\u003c\/path\u003e\u003cpath d=\"M 106.5,60.4 L 98.2,74.8\"\u003e\u003c\/path\u003e\u003cpath d=\"M 106.5,60.4 L 87.4,49.4\"\u003e\u003c\/path\u003e\u003cpath d=\"M 87.4,49.4 L 68.3,38.5\"\u003e\u003c\/path\u003e\u003cpath d=\"M 85.7,52.3 L 66.7,41.3\"\u003e\u003c\/path\u003e\u003cpath d=\"M 89,46.6 L 70,35.6\"\u003e\u003c\/path\u003e\u003cpath d=\"M 68.3,38.5 L 51.2,28.6\"\u003e\u003c\/path\u003e\u003cpath d=\"M 88.3,50 L 87.4,49.4 L 86.4,48.9\" style=\"stroke-miterlimit:10\"\u003e\u003c\/path\u003e\u003cpath d=\"M 69.3,39 L 68.3,38.5 L 67.5,38\" style=\"stroke-miterlimit:10\"\u003e\u003c\/path\u003e\u003ctext x=\"113.5\" y=\"86.0\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eR\u003c\/text\u003e\u003ctext x=\"121.5\" y=\"55.9\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eR\u003c\/text\u003e\u003ctext x=\"130.6\" y=\"55.9\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003e'\u003c\/text\u003e\u003ctext x=\"83.1\" y=\"86.1\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eH\u003c\/text\u003e\u003ctext x=\"91.5\" y=\"86.1\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eO\u003c\/text\u003e\u003ctext x=\"36.1\" y=\"34.1\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003eR\u003c\/text\u003e\u003ctext x=\"45.2\" y=\"34.1\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003e'\u003c\/text\u003e\u003ctext x=\"48.0\" y=\"34.1\" style=\"font-size:13px;stroke:none;font-family:sans-serif;fill:#000\"\u003e'\u003c\/text\u003e\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px;margin:4px 0 0 0;\"\u003e\u003cem\u003eGeneral reaction: ketone + alkynylzinc → tertiary propargylic alcohol.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eChiral Lewis acid catalysis.\u003c\/strong\u003e A chiral bis-titanium(IV) oxide is prepared by treating bis(triisopropoxy)titanium oxide with (S)-BINOL. This catalyst activates aldehyde carbonyls and allows the enantioselective allylation of aldehydes with allyltributyltin.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eChiral phosphoric acids.\u003c\/strong\u003e Phosphoric acids derived from BINOL are used as chiral organocatalysts. These acids catalyse the asymmetric allylboration of aldehydes.\u003cdiv style=\"margin:10px 0 4px 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;\" fill=\"none\" stroke=\"#000\" stroke-width=\"1.6\" font-family=\"sans-serif\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" width=\"160px\" height=\"140px\" viewbox=\"0 0 160 140\"\u003e\u003cpath d=\"M 46.4,56 L 60.8,47.7\"\u003e\u003c\/path\u003e\u003cpath d=\"M 60.8,47.7 L 60.8,25.7\"\u003e\u003c\/path\u003e\u003cpath d=\"M 60.8,25.7 L 79.8,14.7\"\u003e\u003c\/path\u003e\u003cpath d=\"M 64.1,27.6 L 79.8,18.5\"\u003e\u003c\/path\u003e\u003cpath d=\"M 79.8,14.7 L 98.9,25.7\"\u003e\u003c\/path\u003e\u003cpath d=\"M 98.9,25.7 L 117.9,14.7\"\u003e\u003c\/path\u003e\u003cpath d=\"M 102.2,27.6 L 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style=\"font-size:12px;margin:4px 0 0 0;\"\u003e\u003cem\u003eGeneral structure: BINOL → BINOL-derived phosphoramidite ligand (NMe\u003csub\u003e2\u003c\/sub\u003e shown).\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eChiral recognition.\u003c\/strong\u003e BINOL is used to construct chiral fluorescent sensors for the enantioselective recognition of amino alcohols, α-hydroxycarboxylic acids and amino acid derivatives. A BINOL-based bis(naphthylimine) probe responds differently at two emission wavelengths to chiral diamines, amino alcohols and amino acids.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\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":55260958949713,"sku":"NOR-18531992-5g","price":57.2,"currency_code":"EUR","in_stock":true},{"title":"10 g","offer_id":55260958982481,"sku":"NOR-18531992-10g","price":74.2,"currency_code":"EUR","in_stock":true},{"title":"25 g","offer_id":55260959015249,"sku":"NOR-18531992-25g","price":89.2,"currency_code":"EUR","in_stock":true},{"title":"50 g","offer_id":55260959048017,"sku":"NOR-18531992-50g","price":129.2,"currency_code":"EUR","in_stock":true},{"title":"100 g","offer_id":55260959080785,"sku":"NOR-18531992-100g","price":174.2,"currency_code":"EUR","in_stock":true},{"title":"250 g","offer_id":55260959113553,"sku":"NOR-18531992-250g","price":309.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/6357\/1793\/files\/NorrChemica__S_-BINOL_v2.png?v=1782964464","url":"https:\/\/www.norrchemica.com\/products\/s-binol-cas-18531-99-2","provider":"NorrChemica","version":"1.0","type":"link"}