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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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158in stock

COA + SDSwith every lot

Reference Standard

Diphenhydramine N-Oxide chemical structure

Diphenhydramine N-Oxide

CAS: 3922-74-5
Formula: C₁₇H₂₁NO₂
MW: 271.35 g/mol

VQ-025338

Reference Standard

Diphenhydramine N-Oxide Hydrochloride chemical structure

Diphenhydramine N-Oxide Hydrochloride

CAS: 13168-00-8
Formula: C₁₇H₂₂ClNO₂
MW: 307.8 g/mol

VQ-025339

Reference Standard

Dipyridamole Mono-O-beta-D-Glucuronide chemical structure

Dipyridamole Mono-O-beta-D-Glucuronide

CAS: 63912-02-7
Formula: C₃₀H₄₈N₈O₁₀
MW: 680.7 g/mol

VQ-036737

Reference Standard

DL-2-Hydroxybutyric acid chemical structure

DL-2-Hydroxybutyric acid

CAS: 600-15-7
Formula: C₄H₈O₃
MW: 104.1 g/mol

VQ-049488

Reference Standard

DL-3-Phenyllactic acid chemical structure

DL-3-Phenyllactic acid

CAS: 828-01-3
Formula: C₉H₁₀O₃
MW: 166.17 g/mol

VQ-039818

Reference Standard

DL-5-Hydroxy-DL-lysine Hydrochloride chemical structure

DL-5-Hydroxy-DL-lysine Hydrochloride

CAS: 13204-98-3
Formula: C₆H₁₅ClN₂O₃
MW: 198.65 g/mol

VQ-032672

Reference Standard

DL-Methionine Sulfoxide chemical structure

DL-Methionine Sulfoxide

CAS: 62697-73-8
Formula: C₅H₁₁NO₃S
MW: 165.21 g/mol

VQ-049067

Reference Standard

Dobutamine Aminochrome Impurity chemical structure

Dobutamine Aminochrome Impurity

CAS: 2514709-72-7
Formula: C₁₈H₁₉NO₃
MW: 297.3 g/mol

VQ-036757

Reference Standard

Docetaxel Hydroxy tert-Butylcarbamate chemical structure

Docetaxel Hydroxy tert-Butylcarbamate

CAS: 154044-57-2
Formula: C₄₃H₅₃NO₁₅
MW: 823.9 g/mol

VQ-048055

Reference Standard

Docosapentaenoic acid methyl ester chemical structure

Docosapentaenoic acid methyl ester

CAS: 108698-02-8
Formula: C₂₃H₃₆O₂
MW: 344.5 g/mol

VQ-040068

Reference Standard

Dofetilide N-Oxide chemical structure

Dofetilide N-Oxide

CAS: 144449-71-8
Formula: C₁₉H₂₇N₃O₆S₂
MW: 457.6 g/mol

VQ-036769

Reference Standard

Dolutegravir Amide chemical structure

Dolutegravir Amide

CAS: 1485081-26-2
Formula: C₁₃H₁₅N₃O₅
MW: 293.27 g/mol

VQ-025359

Reference Standard

Dolutegravir Impurity 6 Sodium chemical structure

Dolutegravir Impurity 6 Sodium

CAS: 2769753-77-5
Formula: C₂₀H₁₉F₂N₃NaO₅
MW: 442.4 g/mol

VQ-036776

Reference Standard

Dolutegravir Impurity F chemical structure

Dolutegravir Impurity F

CAS: 1246616-73-8
Formula: C₁₃H₁₄N₂O₆
MW: 294.26 g/mol

VQ-028921

Reference Standard

Dolutegravir Impurity H

Dolutegravir Impurity H

CAS: 1973402-10-6
Formula: C₂₇H₂₅F₂N₃O₅
MW: 509.5 g/mol

VQ-022422

Reference Standard

Dolutegravir O-beta-D-Glucuronide chemical structure

Dolutegravir O-beta-D-Glucuronide

CAS: 1485692-21-4
Formula: C₂₇H₂₉F₂N₃O₁₀
MW: 593.5 g/mol

VQ-030267

Reference Standard

Dolutegravir oxidative degradation product B chemical structure

Dolutegravir oxidative degradation product B

CAS: 1248263-78-6
Formula: C₉H₇F₂NO₃
MW: 215.15 g/mol

VQ-025360

Reference Standard

Donepezil Alkene Pyridine N-oxide chemical structure

Donepezil Alkene Pyridine N-oxide

CAS: 2452407-68-8
Formula: C₁₇H₁₅NO₄
MW: 297.3 g/mol

VQ-030278

Reference Standard

Donepezil Didesmethyl Impurity chemical structure

Donepezil Didesmethyl Impurity

CAS: 220170-71-8
Formula: C₂₂H₂₅NO₃
MW: 351.4 g/mol

VQ-044066

Reference Standard

Donepezil N-Oxide Impurity chemical structure

Donepezil N-Oxide Impurity

CAS: 120013-84-5
Formula: C₂₄H₂₉NO₄
MW: 395.5 g/mol

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Reference Standard

Donepezil Pyridine N-Oxide chemical structure

Donepezil Pyridine N-Oxide

CAS: 896134-07-9
Formula: C₁₇H₁₇NO₄
MW: 299.32 g/mol

VQ-025375

Reference Standard

Donepezil-4-hydroxy chemical structure

Donepezil-4-hydroxy

CAS: 197010-22-3
Formula: C₂₄H₂₉NO₄
MW: 395.5 g/mol

VQ-030277

Reference Standard

Doripenem Impurity 2 chemical structure

Doripenem Impurity 2

CAS: 1973411-88-9
Formula: C₁₉H₃₂N₄O₆S₂
MW: 476.6 g/mol

VQ-036796

Reference Standard

Doripenem Impurity 5

Doripenem Impurity 5

CAS: 2220995-13-9
Formula: C₁₅H₂₆N₄O₇S₂
MW: 438.52 g/mol

VQ-036797

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