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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.

28,554products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,252 Pharmacopeial Impurities (EP / USP / BP) 4,401 Nitrosamine Impurities 650 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612 Metabolites & Degradation Products 4,146 API Reference Standards 3,493

Reference Standard

Hydroxocobalamin Hydrochloride chemical structure

Hydroxocobalamin Hydrochloride

CAS: 59461-30-2
Formula: C₆₂H₉₀ClCoN₁₃O₁₅P
MW: 1382.8 g/mol

VQ-036459

Reference Standard

Hydroxy acetic acid hydrazide chemical structure

Hydroxy acetic acid hydrazide

CAS: 3530-14-1
Formula: C₂H₆N₂O₂
MW: 90.08 g/mol

VQ-050037

Reference Standard

Hydroxy Acetildenafil chemical structure

Hydroxy Acetildenafil

CAS: 147676-56-0
Formula: C₂₅H₃₄N₆O₄
MW: 482.6 g/mol

VQ-032483

Reference Standard

Hydroxy Aliskiren Impurity chemical structure

Hydroxy Aliskiren Impurity

CAS: 1438401-04-7
Formula: C₆₄H₁₁₀N₆O₁₈
MW: 1251.6 g/mol

VQ-045104

Reference Standard

Hydroxy Anastrozole chemical structure

Hydroxy Anastrozole

CAS: 1809517-32-5
Formula: C₁₇H₁₉N₅O
MW: 309.4 g/mol

VQ-047404

Reference Standard

Hydroxy Apixaban chemical structure

Hydroxy Apixaban

CAS: 2208275-54-9
Formula: C₂₅H₂₅N₅O₅
MW: 475.5 g/mol

VQ-024329

Reference Standard

Hydroxy Bosentan chemical structure

Hydroxy Bosentan

CAS: 253688-60-7
Formula: C₂₇H₂₉N₅O₇S
MW: 567.6 g/mol

VQ-024069

Reference Standard

Hydroxy Bosentan-d6 chemical structure

Hydroxy Bosentan-d6

CAS: 1246817-57-1
Formula: C₂₇H₂₉N₅O₇S
MW: 573.7 g/mol

VQ-043410

Reference Standard

Hydroxy Brimonidine Trifluoroacetic Acid Salt chemical structure

Hydroxy Brimonidine Trifluoroacetic Acid Salt

CAS: 1391054-10-6
Formula: C₁₃H₁₃BrF₃N₅O₃
MW: 424.17 g/mol

VQ-021878

Reference Standard

Hydroxy Bupropion chemical structure

Hydroxy Bupropion

CAS: 357399-43-0
Formula: C₁₃H₁₈ClNO₂
MW: 255.74 g/mol

VQ-024690

Reference Standard

Hydroxy Bupropion-d6 chemical structure

Hydroxy Bupropion-d6

CAS: 1216893-18-3
Formula: C₁₃H₁₈ClNO₂
MW: 261.78 g/mol

VQ-029555

Reference Standard

Hydroxy Bupropion-d8 chemical structure

Hydroxy Bupropion-d8

CAS: 1309283-18-8
Formula: C₁₃H₁₈ClNO₂
MW: 263.79 g/mol

VQ-043411

Reference Standard

Hydroxy Cariprazine chemical structure

Hydroxy Cariprazine

CAS: 1084891-95-1
Formula: C₂₁H₃₂Cl₂N₄O₂
MW: 443.4 g/mol

VQ-035126

Reference Standard

Hydroxy Celecoxib chemical structure

Hydroxy Celecoxib

CAS: 170571-00-3
Formula: C₁₇H₁₄F₃N₃O₃S
MW: 397.4 g/mol

VQ-024087

Reference Standard

Hydroxy Chloroquine-d4 Sulfate chemical structure

Hydroxy Chloroquine-d4 Sulfate

CAS: 1216432-56-2
Formula: C₁₈H₂₈ClN₃O₅S
MW: 438 g/mol

VQ-037606

Reference Standard

Hydroxy Dabigatran Etexilate Mesylate Impurity 3

Hydroxy Dabigatran Etexilate Mesylate Impurity 3

CAS: 1417864-23-3
Formula: C₂₀H₂₂N₄O₄
MW: 382.41 g/mol

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Reference Standard

Hydroxy Dabrafenib chemical structure

Hydroxy Dabrafenib

CAS: 1195767-77-1
Formula: C₂₃H₂₀F₃N₅O₃S₂
MW: 535.6 g/mol

VQ-022295

Reference Standard

Hydroxy Darunavir chemical structure

Hydroxy Darunavir

CAS: 1130635-75-4
Formula: C₂₇H₃₇N₃O₈S
MW: 563.7 g/mol

VQ-036568

Reference Standard

Hydroxy derivative of Daptomycin chemical structure

Hydroxy derivative of Daptomycin

CAS: 921590-20-7
Formula: C₇₂H₁₀₁N₁₇O₂₇
MW: 1636.7 g/mol

VQ-036552

Reference Standard

Hydroxy Desmethyl Bosentan chemical structure

Hydroxy Desmethyl Bosentan

CAS: 253688-62-9
Formula: C₂₆H₂₇N₅O₇S
MW: 553.6 g/mol

VQ-024086

Reference Standard

Hydroxy Desmethylsulfonyl Lenacapavir chemical structure

Hydroxy Desmethylsulfonyl Lenacapavir

CAS: 3025145-44-9
Formula: C₃₈H₃₀ClF₁₀N₇O₄S
MW: 906.2 g/mol

VQ-026392

Reference Standard

Hydroxy Dimetridazole chemical structure

Hydroxy Dimetridazole

CAS: 936-05-0
Formula: C₅H₇N₃O₃
MW: 157.13 g/mol

VQ-030221

Reference Standard

Hydroxy Dimetridazole-d3 chemical structure

Hydroxy Dimetridazole-d3

CAS: 1015855-78-3
Formula: C₅H₇N₃O₃
MW: 160.15 g/mol

VQ-036722

Reference Standard

Hydroxy Domperidone

Hydroxy Domperidone

CAS: 1214264-64-8
Formula: C₂₂H₂₄ClN₅O₃
MW: 441.91 g/mol

VQ-044801

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