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Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

Tazarotene D6 chemical structure

CAS: 1246815-76-8
Formula: C₂₁H₂₁NO₂S
MW: 357.5 g/mol

VQ-042376

Reference Standard

Tazarotene Sulfone chemical structure

Tazarotene Sulfone

CAS: 1262228-27-2
Formula: C₂₁H₂₁NO₄S
MW: 383.5 g/mol

VQ-023841

Reference Standard

Tazarotene Sulfoxide chemical structure

Tazarotene Sulfoxide

CAS: 864841-56-5
Formula: C₂₁H₂₁NO₃S
MW: 367.5 g/mol

VQ-023840

Reference Standard

Tazarotene Thiochromane Dimer chemical structure

Tazarotene Thiochromane Dimer

CAS: 1010805-73-8
Formula: C₂₆H₂₆S₂
MW: 402.6 g/mol

VQ-028216

Reference Standard

Tazarotenic Acid chemical structure

Tazarotenic Acid

CAS: 118292-41-4
Formula: C₁₉H₁₇NO₂S
MW: 323.4 g/mol

VQ-028214

Reference Standard

Tazarotenic Acid Methyl Ester chemical structure

Tazarotenic Acid Methyl Ester

CAS: 1332579-70-0
Formula: C₂₀H₁₉NO₂S
MW: 337.4 g/mol

VQ-034067

Reference Standard

Tazarotenic Acid Sulfoxide chemical structure

Tazarotenic Acid Sulfoxide

CAS: 603952-64-3
Formula: C₁₉H₁₇NO₃S
MW: 339.4 g/mol

VQ-034068

Reference Standard

Tazarotenic Acid-d6 chemical structure

Tazarotenic Acid-d6

CAS: 1794760-38-5
Formula: C₁₉H₁₇NO₂S
MW: 329.4 g/mol

VQ-042377

Reference Standard

Tazobactam Diastereomer chemical structure

Tazobactam Diastereomer

CAS: 115546-66-2
Formula: C₁₀H₁₂N₄O₅S
MW: 300.29 g/mol

VQ-034906

Reference Standard

Tazobactam Sodium chemical structure

Tazobactam Sodium

CAS: 89785-84-2
Formula: C₁₀H₁₁N₄NaO₅S
MW: 322.28 g/mol

VQ-034069

Reference Standard

Tazobactam Sulfoxide chemical structure

Tazobactam Sulfoxide

CAS: 904671-24-5
Formula: C₁₀H₁₂N₄O₄S
MW: 284.29 g/mol

VQ-034070

Reference Standard

Tebipenem chemical structure

CAS: 161715-21-5
Formula: C₁₆H₂₁N₃O₄S₂
MW: 383.5 g/mol

VQ-042379

Reference Standard

Tebipenem pivoxil chemical structure

Tebipenem pivoxil

CAS: 161715-24-8
Formula: C₂₂H₃₁N₃O₆S₂
MW: 497.6 g/mol

VQ-034071

Reference Standard

Tebuconazole chemical structure

CAS: 107534-96-3
Formula: C₁₆H₂₂ClN₃O
MW: 307.82 g/mol

VQ-038927

Reference Standard

Tebufenozide chemical structure

CAS: 112410-23-8
Formula: C₂₂H₂₈N₂O₂
MW: 352.5 g/mol

VQ-039664

Reference Standard

Tedizolid chemical structure

CAS: 856866-72-3
Formula: C₁₇H₁₅FN₆O₃
MW: 370.3 g/mol

VQ-023848

Reference Standard

Tedizolid Dimethoxy Impurity

Tedizolid Dimethoxy Impurity

CAS: 2810004-05-6
Formula: C₁₉H₂₀FN₆O₆P
MW: 478.38 g/mol

VQ-045079

Reference Standard

Tedizolid Impurity 6

Tedizolid Impurity 6

CAS: 1239662-44-2
Formula: C₃₇H₃₅F₂N₁₂O₁₀P
MW: 876.72 g/mol

VQ-042381

Reference Standard

Tedizolid Impurity F Diimidazolium chemical structure

Tedizolid Impurity F Diimidazolium

CAS: 1256966-04-7
Formula: C₃₇H₃₄F₂N₁₄O₁₁P₂
MW: 950.7 g/mol

VQ-034072

Reference Standard

Tedizolid Phosphate chemical structure

Tedizolid Phosphate

CAS: 856867-55-5
Formula: C₁₇H₁₆FN₆O₆P
MW: 450.3 g/mol

VQ-028217

Reference Standard

Tedizolid Phosphate Dimer chemical structure

Tedizolid Phosphate Dimer

CAS: 1220910-90-6
Formula: C₃₄H₃₀F₂N₁₂O₁₁P₂
MW: 882.6 g/mol

VQ-023847

Reference Standard

Tedizolid Pyrophosphate Ester chemical structure

Tedizolid Pyrophosphate Ester

CAS: 1239662-48-6
Formula: C₁₇H₁₇FN₆O₉P₂
MW: 530.3 g/mol

VQ-028220

Reference Standard

Teduglutide

CAS: 197922-42-2
Formula: C₁₆₄H₂₅₂N₄₄O₅₅S
MW: 3752.1 g/mol

VQ-042382

Reference Standard

Tefluthrin chemical structure

CAS: 79538-32-2
Formula: C₁₇H₁₄ClF₇O₂
MW: 418.7 g/mol

VQ-042383

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