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Impurities & Reference Standards

Metabolites & Degradation Products

Source 200 metabolites & degradation products for research, QC and production, documented with COA and SDS.

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COA + SDSwith every lot

Reference Standard

Amiodarone Didesethyl Impurity chemical structure

Amiodarone Didesethyl Impurity

CAS: 94317-95-0
Formula: C₂₁H₂₁I₂NO₃
MW: 589.2 g/mol

VQ-035685

Reference Standard

Amiodarone Metabolite M11-5 chemical structure

Amiodarone Metabolite M11-5

CAS: 1547401-07-9
Formula: C₂₅H₂₉I₂NO₄
MW: 661.3 g/mol

VQ-035688

Reference Standard

Amiodarone N-Oxide chemical structure

Amiodarone N-Oxide

CAS: 318267-30-0
Formula: C₂₅H₂₉I₂NO₄
MW: 661.3 g/mol

VQ-020787

Reference Standard

Amitriptyline N-Glucuronide chemical structure

Amitriptyline N-Glucuronide

CAS: 112806-33-4
Formula: C₂₆H₃₁NO₆
MW: 453.5 g/mol

VQ-035113

Reference Standard

Amlodipine Metabolite 5 chemical structure

Amlodipine Metabolite 5

CAS: 114018-75-6
Formula: C₁₉H₁₈ClNO₇
MW: 407.8 g/mol

VQ-024262

Reference Standard

Ammonium 2-hydroxy-4-methylbenzenesulphonate chemical structure

Ammonium 2-hydroxy-4-methylbenzenesulphonate

CAS: 79093-71-3
Formula: C₇H₁₁NO₄S
MW: 205.23 g/mol

VQ-038971

Reference Standard

Amodiaquine N-Oxide chemical structure

Amodiaquine N-Oxide

CAS: 102391-07-1
Formula: C₂₀H₂₂ClN₃O₂
MW: 371.9 g/mol

VQ-045395

Reference Standard

Amoxicillin open-ring dimer chemical structure

Amoxicillin open-ring dimer

CAS: 73590-06-4
Formula: C₃₂H₃₈N₆O₁₀S₂
MW: 730.8 g/mol

VQ-021577

Reference Standard

Amoxicillin Sulfoxide chemical structure

Amoxicillin Sulfoxide

CAS: 2485704-40-1
Formula: C₁₆H₁₉N₃O₆S
MW: 381.4 g/mol

VQ-029145

Reference Standard

Amphotericin B Methyl Ester chemical structure

Amphotericin B Methyl Ester

CAS: 36148-89-7
Formula: C₄₈H₇₅NO₁₇
MW: 938.1 g/mol

VQ-024279

Reference Standard

Anidulafungin Impurity E chemical structure

Anidulafungin Impurity E

CAS: 2099166-85-3
Formula: C₅₇H₇₁N₇O₁₇
MW: 1126.2 g/mol

VQ-021601

Reference Standard

Anidulafungin Thr-desmethyl impurity

Anidulafungin Thr-desmethyl impurity

CAS: 2099166-86-4
Formula: C₅₇H₇₁N₇O₁₇
MW: 1126.21 g/mol

VQ-021600

Reference Standard

Anisodamine chemical structure

CAS: 17659-49-3
Formula: C₁₇H₂₃NO₄
MW: 305.4 g/mol

VQ-043480

Reference Standard

Antioxidant 1024 chemical structure

Antioxidant 1024

CAS: 32687-78-8
Formula: C₃₄H₅₂N₂O₄
MW: 552.8 g/mol

VQ-032488

Reference Standard

Apigenin 7-Glucuronide chemical structure

Apigenin 7-Glucuronide

CAS: 29741-09-1
Formula: C₂₁H₁₈O₁₁
MW: 446.4 g/mol

VQ-035399

Reference Standard

Apigenin 7-O-beta-D-glucoside chemical structure

Apigenin 7-O-beta-D-glucoside

CAS: 578-74-5
Formula: C₂₁H₂₀O₁₀
MW: 432.4 g/mol

VQ-021294

Reference Standard

Apixaban Diazene N-Oxide Dimer Impurity chemical structure

Apixaban Diazene N-Oxide Dimer Impurity

CAS: 1998079-16-5
Formula: C₃₀H₃₄N₆O₅
MW: 558.6 g/mol

VQ-024318

Reference Standard

Apixaban Hydroxy acid Impurity chemical structure

Apixaban Hydroxy acid Impurity

CAS: 2459302-74-8
Formula: C₂₄H₂₂N₄O₅
MW: 446.5 g/mol

VQ-029183

Reference Standard

Apixaban Impurity 164

Apixaban Impurity 164

CAS: 850429-08-2
Formula: C₁₁H₂₁NO₄
MW: 231.3 g/mol

VQ-035774

Reference Standard

Apixaban Impurity 34 chemical structure

Apixaban Impurity 34

CAS: 1609409-54-2
Formula: C₁₈H₁₈N₂O₆
MW: 358.3 g/mol

VQ-029186

Reference Standard

Apixaban Impurity 39 chemical structure

Apixaban Impurity 39

CAS: 1998079-14-3
Formula: C₄₄H₄₀N₈O₉
MW: 824.8 g/mol

VQ-007102

Reference Standard

Apixaban impurity E chemical structure

Apixaban impurity E

CAS: 1609409-53-1
Formula: C₂₀H₂₂N₂O₆
MW: 386.4 g/mol

VQ-035757

Reference Standard

Apixaban N-Oxide Dimer chemical structure

Apixaban N-Oxide Dimer

CAS: 1998079-12-1
Formula: C₄₀H₃₄N₁₀O₇
MW: 766.8 g/mol

VQ-007103

Reference Standard

Apixaban PG Ester-I chemical structure

Apixaban PG Ester-I

CAS: 1904628-12-1
Formula: C₂₈H₃₀N₄O₆
MW: 518.6 g/mol

VQ-029187

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