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    • Chemical structure of Erythrosine B (disodium salt), CAS 16423-68-0, ≥90% — tetraiodinated xanthene photosensitizer (C.I. 45430 / Acid Red 51) with strong heavy-atom-driven singlet oxygen generation used as a research-grade photodynamic photosensitizer in antimicrobial photoinactivation research, dental plaque visualization in oral microbiology methodology, photodynamic antimicrobial biofilm research, and triplet state chemistry in photophysics. Supplied by NorrChemica with DDP shipping. CoA and SDS.

      Erythrosine B | CAS 16423-68-0 | ≥90%

      Erythrosine BCAS 16423-68-0 · ≥90%

      Regular price From €39,90 (incl. VAT)
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    • Chemical structure of Orcein (Synthetic), CAS 1400-62-0, E1%1cm ≥300 (579–583 nm, MeOH) — phenoxazone-class histological dye (C.I. Natural Red 28) and reproducible synthetic equivalent of natural lichen-derived orcein used as a research-grade vital stain for elastic fibres in cardiovascular and pulmonary histology, aceto-orcein chromosome staining in plant cytogenetics, hepatic copper-binding protein research, and connective tissue methodology. Supplied by NorrChemica with DDP shipping. CoA and SDS.

      Orcein (Synthetic) | CAS 1400-62-0 | E1%1cm ≥ 295 (MeOH, 579–583 nm)

      Orcein (Synthetic)CAS 1400-62-0 · E1%1cm ≥ 295 (MeOH, 579–583 nm)

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    • Chemical structure of TMAF–MeOH adduct (Tetramethylammonium fluoride methanol solvate), CAS 2649021-27-0, 91 mol% active fluoride (F⁻/Me₄N⁺ = 0.91 by qNMR) — anhydrous nucleophilic fluoride source for SNAr fluorination, deoxofluorination, and late-stage fluorination of pharmaceutically relevant scaffolds. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.​​​​​​​​​​​​​​​​

      TMAF–MeOH Adduct | CAS 2649021-27-0 | ≥98% (91 mol% Active F⁻ by qNMR)

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      TMAF–MeOH AdductCAS 2649021-27-0 · ≥98% (91 mol% Active F⁻ by qNMR)

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    • Chemical structure of 4-Methylphenylboronic Acid (p-Tolylboronic acid), CAS 5720-05-8, ≥98% — electron-rich para-methyl arylboronic acid used in Pd-catalysed Suzuki-Miyaura coupling, Cu Chan-Lam C–N/C–O coupling, Rh/Ni conjugate additions, and photoredox arylation in pharma/materials synthesis. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.​​​​​​​​​​​​​​​​

      4-Methylphenylboronic Acid | CAS 5720-05-8 | ≥98%

      4-Methylphenylboronic AcidCAS 5720-05-8 · ≥98%

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    • Chemical structure of Copper(II) trifluoromethanesulfonate (copper(II) triflate, Cu(OTf)₂), CAS 34946-82-2, ≥98% — the copper(II) salt of trifluoromethanesulfonic acid, a hygroscopic white to grey to blue powder. Used in Mannich condensations, Friedel–Crafts and Henry reactions, annulative amination, carbazole synthesis by intramolecular oxidative C–N bond formation and the addition of trimethylsilyl cyanide to carbonyl compounds. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Copper(II) trifluoromethanesulfonate | CAS 34946-82-2 | ≥98%

      Copper(II) trifluoromethanesulfonateCAS 34946-82-2 · ≥98%

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    • Chemical structure of 5-Methylcytidine (m5C, C₁₀H₁₅N₃O₅), CAS 2140-61-6, ≥97% — cytidine methylated at C5 of the cytosine ring. A modified ribonucleoside of tRNA and rRNA, formed in tRNA by methyltransferases such as NSUN2 and DNMT2 and oxidised to 5-hydroxymethylcytidine by Tet enzymes in vitro. Used in modified-mRNA research and as a calibration standard for LC-MS/MS quantification of RNA modifications. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      5-Methylcytidine | CAS 2140-61-6 | ≥97%

      5-MethylcytidineCAS 2140-61-6 · ≥97%

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    • Chemical structure of Weinreb salt (N,O-dimethylhydroxylamine hydrochloride), CAS 6638-79-5, ≥98% — hydrochloride salt of N,O-dimethylhydroxylamine and the reagent for preparing Weinreb amides (N-methoxy-N-methylamides), which react with Grignard and organolithium reagents to give ketones and aldehydes without over-addition. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Weinreb's salt (N,O-dimethylhydroxylamine·HCl) | CAS 6638-79-5 | ≥98%

      Weinreb's salt (N,O-dimethylhydroxylamine·HCl)CAS 6638-79-5 · ≥98%

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    • Chemical structure of titanocene dichloride (Cp2TiCl2, bis(cyclopentadienyl)titanium(IV) dichloride), CAS 1271-19-8, ≥98% — bent group 4 metallocene whose two cyclopentadienyl ligands leave the chloride sites open, and which zinc or manganese reduces in situ to the Ti(III) species that does the chemistry. Used for radical epoxide opening, epoxy-ene cyclisation and pinacol coupling, as the Tebbe and Petasis reagent precursor, and as a Ziegler-Natta polymerisation catalyst. Supplied by NorrChemica

      Titanocene Dichloride (Cp2TiCl2) | CAS 1271-19-8 | ≥98%

      Titanocene Dichloride (Cp2TiCl2)CAS 1271-19-8 · ≥98%

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    • Chemical structure of 9-Mesityl-10-phenylacridinium tetrafluoroborate, CAS 1621019-96-2, ≥98% — an organic, metal-free photoredox catalyst (C28H24BF4N): an acridinium cation carrying a 9-mesityl (2,4,6-trimethylphenyl) group and an N10-phenyl group. On visible-light excitation it acts as an oxidizing single-electron photocatalyst. Its N-phenyl group gives higher chemical stability than the N-methyl acridinium, resisting self-decomposition under reaction conditions. Supplied by NorrChemica with DDP shipping.

      9-Mesityl-10-phenylacridinium BF4 | CAS 1621019-96-2 | ≥98%

      9-Mesityl-10-phenylacridinium BF4CAS 1621019-96-2 · ≥98%

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    • Chemical structure of 2,3,5-Triphenyltetrazolium chloride (TTC; tetrazolium red), CAS 298-96-4, ≥98% — colorless cationic tetrazolium salt (C19H15ClN4), drawn as the triphenyltetrazolium cation with its chloride counterion (the form supplied). A redox indicator reduced by cellular dehydrogenases to a deep-red insoluble triphenylformazan, used as a vital stain for cell/tissue viability (seed-viability and infarct tests) and dehydrogenase/microbial assays. Supplied by NorrChemica with DDP shipping.

      2,3,5-Triphenyltetrazolium Chloride | CAS 298-96-4 | ≥98%

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      2,3,5-Triphenyltetrazolium ChlorideCAS 298-96-4 · ≥98%

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    • Chemical structure of Salen (N,N'-Bis(salicylidene)ethylenediamine), CAS 94-93-9, ≥98% — a tetradentate N2O2 Schiff-base ligand condensed from salicylaldehyde and ethylenediamine, forming the Mn, Co, Cu and Cr salen complexes used in asymmetric epoxidation, oxidation and epoxide ring-opening catalysis. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Salen (N,N'-Bis(salicylidene)ethylenediamine) | CAS 94-93-9 | ≥98%

      Salen (N,N'-Bis(salicylidene)ethylenediamine)CAS 94-93-9 · ≥98%

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    • Chemical structure of Neutral Red, CAS 553-24-2, Biological Stain Grade — phenazine biological stain and pH indicator used for cell-viability uptake assays and histological staining. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Neutral Red BS | CAS 553-24-2 | Biological Stain Grade

      Neutral Red BSCAS 553-24-2 · Biological Stain Grade

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    • Chemical structure of 4-Methoxycarbonylphenylboronic Acid (methyl 4-boronobenzoate), CAS 99768-12-4, ≥98% — arylboronic acid with a –B(OH)2 group para to a methoxycarbonyl (methyl-ester) group (C8H9BO4; the free boronic acid, may contain some cyclic anhydride/boroxine). A Suzuki–Miyaura cross-coupling building block whose para ester is an electron-withdrawing handle for further functionalization, used in pharmaceutical and materials synthesis. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      4-Methoxycarbonylphenylboronic acid | CAS 99768-12-4 | ≥98%

      4-Methoxycarbonylphenylboronic acidCAS 99768-12-4 · ≥98%

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    • Chemical structure of N3-Methylthymidine (N3-Methyl-dT), CAS 958-74-7, ≥98% — N3-methylated thymidine analogue used as a building block in oligonucleotide synthesis, modified nucleoside chemistry, and for studying the effects of N3-methylation on base-pairing and duplex stability. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.​​​​​​​​​​​​​​​​

      3-Methylthymidine | CAS 958-74-7 | ≥98%

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      3-MethylthymidineCAS 958-74-7 · ≥98%

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    • Chemical structure of N,N-Diethylmethylamine (diethylmethylamine, N-methyldiethylamine), C₅H₁₃N, CAS 616-39-7, ≥98% — tertiary amine that is protonated by acids to form diethylmethylammonium protic ionic liquids, and a lineshape standard for NMR shimming at room temperature and 130 K. Supplied by NorrChemica, shipped within the EU. CoA and SDS provided.

      N,N-Diethylmethylamine | CAS 616-39-7 | ≥98%

      N,N-DiethylmethylamineCAS 616-39-7 · ≥98%

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    • Chemical structure of EDTA, CAS 60-00-4, ≥98% — ethylenediaminetetraacetic acid, a hexadentate aminopolycarboxylic acid chelating agent that sequesters di- and trivalent metal ions, used in molecular-biology buffers, complexometric titrations, analytical chemistry, and as a metalloprotease inhibitor and preservative. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      EDTA (Ethylenediaminetetraacetic Acid) | CAS 60-00-4 | ≥98%

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      EDTA (Ethylenediaminetetraacetic Acid)CAS 60-00-4 · ≥98%

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    • Chemical structure of 3,3′,5,5′-Tetramethylbenzidine (TMB, C₁₆H₂₀N₂), CAS 54827-17-7, ≥98% — a chromogenic substrate for horseradish peroxidase (HRP). In ELISA, the peroxidase oxidises TMB to a soluble blue product; stopping the reaction with sulfuric acid gives a yellow solution that is read at 450 nm. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      3,3′,5,5′-Tetramethylbenzidine (TMB) | CAS 54827-17-7 | ≥98%

      3,3′,5,5′-Tetramethylbenzidine (TMB)CAS 54827-17-7 · ≥98%

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    • Chemical structure of Crystal Violet (Basic Violet 3; C.I. 42555; gentian violet), CAS 548-62-9, dye content ≥90% — violet cationic triphenylmethane dye (the hexamethyl derivative of pararosaniline), drawn as the cation with its chloride counterion (C25H30ClN3, the form supplied). Used as the primary stain in Gram staining of bacteria, a histological and cell-viability/biomass stain, a pH indicator, and a topical antibacterial/antifungal. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Crystal Violet | CAS 548-62-9 | Dye Content ≥88%

      Crystal VioletCAS 548-62-9 · Dye Content ≥88%

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    • Chemical structure of Burgess reagent (methyl N-(triethylammoniosulfonyl)carbamate, inner salt), CAS 29684-56-8 — mild, selective dehydrating agent that converts secondary and tertiary alcohols (notably β-hydroxy carbonyls) to alkenes by syn elimination and dehydrates primary amides to nitriles under neutral conditions. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Burgess reagent | CAS 29684-56-8 | ≥95%

      Burgess reagentCAS 29684-56-8 · ≥95%

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    • Chemical structure of Thioflavin T, CAS 2390-54-7, ≥95% — benzothiazolium cationic fluorescent dye exhibiting strong fluorescence enhancement upon binding to amyloid β-sheet structures used as a research-grade fluorescent probe for amyloid fibril detection, fluorescence kinetic assays of fibril formation, histological amyloid imaging in neurodegenerative research methodology, and G-quadruplex DNA structure detection. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Thioflavin T (Powder) | CAS 2390-54-7 | ≥95%

      Thioflavin T (Powder)CAS 2390-54-7 · ≥95%

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    • Chemical structure of 7-Amino-4-methylcoumarin (AMC), CAS 26093-31-2, ≥98% — a blue-fluorescent coumarin used as the leaving group in fluorogenic peptide substrates for protease and peptidase assays and specificity profiling, as aminoacyl-AMC building blocks for substrate synthesis, and as a fluorescent substitute for Schiff's reagent in PAS staining. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      7-Amino-4-methylcoumarin | CAS 26093-31-2 | ≥98%

      7-Amino-4-methylcoumarinCAS 26093-31-2 · ≥98%

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    • Chemical structure of N6-Methyladenosine (m6A, C₁₁H₁₅N₅O₄), CAS 1867-73-8, ≥97% — adenosine methylated at the N6 amino group, the most prevalent internal modification of mRNA in higher eukaryotes. Formed by the METTL3–METTL14 methyltransferase complex, removed by the demethylases FTO and ALKBH5, and recognised by reader proteins such as YTHDF2, which moves bound mRNA to decay sites. Used in research on RNA methylation and its enzymes. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      N6-Methyladenosine | CAS 1867-73-8 | ≥97%

      N6-MethyladenosineCAS 1867-73-8 · ≥97%

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    • Chemical structure of Silver Trifluoromethanesulfonate (silver triflate, AgOTf, CAgF₃O₃S), CAS 2923-28-6, ≥98% — a light-sensitive silver(I) salt, soluble in water and most organic solvents. Used for halide abstraction, as a triflating agent and source of soluble silver ions, to promote Friedel–Crafts, alkene cyclization and esterification reactions, and with iodine to activate sulfur groups at the anomeric centre of carbohydrates. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Silver Trifluoromethanesulfonate | CAS 2923-28-6 | ≥98%

      Silver TrifluoromethanesulfonateCAS 2923-28-6 · ≥98%

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    • Chemical structure of N-Hydroxyphthalimide (NHPI), CAS 524-38-9, ≥98% — a phthalimide bearing an N-hydroxy group (C8H5NO3), the precursor to the phthalimido-N-oxyl (PINO) radical, a hydrogen-atom-transfer (HAT) abstractor. An organocatalyst for aerobic oxidation of hydrocarbons, alkylarenes and alcohols under mild conditions, often with a cobalt or manganese co-catalyst. It also forms activated NHPI esters as a coupling additive for amide bond formation. Supplied by NorrChemica with DDP shipping. CoA

      N-Hydroxyphthalimide (NHPI) | CAS 524-38-9 | ≥98%

      N-Hydroxyphthalimide (NHPI)CAS 524-38-9 · ≥98%

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