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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.

3,922products

158in stock

COA + SDSwith every lot

Reference Standard

Atropine N-Oxide Hydrochloride chemical structure

Atropine N-Oxide Hydrochloride

CAS: 4574-60-1
Formula: C₁₇H₂₄ClNO₄
MW: 341.8 g/mol

VQ-029283

Reference Standard

Avacopan metabolite M1 chemical structure

Avacopan metabolite M1

CAS: 1346623-14-0
Formula: C₃₃H₃₅F₄N₃O₃
MW: 597.6 g/mol

VQ-035862

Reference Standard

Avanafil O-Desmethyl Analog chemical structure

Avanafil O-Desmethyl Analog

CAS: 330785-05-2
Formula: C₂₂H₂₄ClN₇O₃
MW: 469.9 g/mol

VQ-043057

Reference Standard

Axitinib Sulfoxide chemical structure

Axitinib Sulfoxide

CAS: 1347304-18-0
Formula: C₂₂H₁₈N₄O₂S
MW: 402.5 g/mol

VQ-021687

Reference Standard

Azacitidine impurity N chemical structure

Azacitidine impurity N

CAS: 2508-81-8
Formula: C₆H₉NO₅
MW: 175.14 g/mol

VQ-024462

Reference Standard

Azelastine N-Oxide chemical structure

Azelastine N-Oxide

CAS: 640279-88-5
Formula: C₂₂H₂₄ClN₃O₂
MW: 397.9 g/mol

VQ-021699

Reference Standard

Azelastine N-Oxide (R)-Isomer chemical structure

Azelastine N-Oxide (R)-Isomer

CAS: 1346617-18-2
Formula: C₂₂H₂₄ClN₃O₂
MW: 397.9 g/mol

VQ-028916

Reference Standard

Azilsartan 2-hydroxy-3-oxobutyl ester chemical structure

Azilsartan 2-hydroxy-3-oxobutyl ester

CAS: 3031851-96-1
Formula: C₂₉H₂₆N₄O₇
MW: 542.5 g/mol

VQ-024476

Reference Standard

Azilsartan Hydroxy Acid Impurity

Azilsartan Hydroxy Acid Impurity

CAS: 1397836-49-5
Formula: C₂₄H₂₂N₄O₄
MW: 430.46 g/mol

In stock

Reference Standard

Azilsartan Hydroxy Acid Lithium Impurity

Azilsartan Hydroxy Acid Lithium Impurity

CAS: 1978299-31-8
Formula: C₂₄H₂₂N₄O₄.Li
MW: 437.4 g/mol

VQ-007106

Reference Standard

Azilsartan Hydroxy Acid Potassium Impurity

Azilsartan Hydroxy Acid Potassium Impurity

CAS: 1978299-36-3
Formula: C₂₄H₂₂N₄O₄.K
MW: 469.56 g/mol

VQ-007107

Reference Standard

Azilsartan Hydroxy Acid Sodium Impurity

Azilsartan Hydroxy Acid Sodium Impurity

CAS: 1449029-76-8
Formula: C₂₄H₂₂N₄O₄.Na
MW: 453.45 g/mol

VQ-007108

Reference Standard

Azilsartan impurity H chemical structure

Azilsartan impurity H

CAS: 1499167-72-4
Formula: C₂₃H₂₀N₄O₄
MW: 416.4 g/mol

VQ-021714

Reference Standard

Azilsartan N-Hydroxy Methyl Ester chemical structure

Azilsartan N-Hydroxy Methyl Ester

CAS: 147403-65-4
Formula: C₂₅H₂₄N₄O₄
MW: 444.5 g/mol

VQ-021712

Reference Standard

Azithromycin Impurity 3 chemical structure

Azithromycin Impurity 3

CAS: 2365312-75-8
Formula: C₃₈H₇₄N₂O₁₃
MW: 767 g/mol

VQ-044363

Reference Standard

Azithromycin Impurity 4

Azithromycin Impurity 4

CAS: 620169-48-4
Formula: C₃₆H₆₈N₂O₁₂
MW: 720.94 g/mol

VQ-035901

Reference Standard

Azithromycin Impurity 5

Azithromycin Impurity 5

CAS: 200420-00-4
Formula: C₃₇H₇₀N₂O₁₂
MW: 734.97 g/mol

VQ-037074

Reference Standard

Azithromycin N-Desmethyl 4-Oxime

Azithromycin N-Desmethyl 4-Oxime

CAS: 217500-75-9
Formula: C₃₈H₇₀N₂O₁₂
MW: 746.98 g/mol

VQ-045162

Reference Standard

Baclofen RC 4 (Acid) chemical structure

Baclofen RC 4 (Acid)

CAS: 52977-95-4
Formula: C₁₀H₁₁ClO₃
MW: 214.64 g/mol

VQ-035212

Reference Standard

CAS: 450360-74-4
Formula: C₅₁H₅₆O₈
MW: 797 g/mol

VQ-040711

Reference Standard

Balsalazide Aminobenzoyl Impurity chemical structure

Balsalazide Aminobenzoyl Impurity

CAS: 7377-08-4
Formula: C₁₀H₁₂N₂O₃
MW: 208.21 g/mol

VQ-034792

Reference Standard

Balsalazide Carboxyethylamino Impurity chemical structure

Balsalazide Carboxyethylamino Impurity

CAS: 1242567-08-3
Formula: C₂₀H₂₀N₄O₇
MW: 428.4 g/mol

VQ-020892

Reference Standard

Balsalazide Hydroxybenzamido Impurity chemical structure

Balsalazide Hydroxybenzamido Impurity

CAS: 773838-08-7
Formula: C₁₀H₁₁NO₄
MW: 209.2 g/mol

VQ-021734

Reference Standard

Balsalazide impurity 8

Balsalazide impurity 8

CAS: 1242567-13-0
Formula: C₂₆H₂₄N₆O₇
MW: 532.51 g/mol

VQ-024493

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