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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

2-Hydroxy Atorvastatin-d5 Calcium

2-Hydroxy Atorvastatin-d5 Calcium

CAS: 265989-47-7
Formula: C₆₆H₅₈D₁₀F₂N₄O₁₂ (Free acid :1/2Ca)
MW: 586.68 g/mol

VQ-035838

Reference Standard

2-Hydroxy Carbamazepine chemical structure

2-Hydroxy Carbamazepine

CAS: 68011-66-5
Formula: C₁₅H₁₂N₂O₂
MW: 252.27 g/mol

VQ-024763

Reference Standard

2-Hydroxy Desipramine chemical structure

2-Hydroxy Desipramine

CAS: 1977-15-7
Formula: C₁₈H₂₂N₂O
MW: 282.4 g/mol

VQ-035102

Reference Standard

2-Hydroxy Desipramine β-D-Glucuronide chemical structure

2-Hydroxy Desipramine β-D-Glucuronide

CAS: 25521-31-7
Formula: C₂₄H₃₀N₂O₇
MW: 458.5 g/mol

VQ-043826

Reference Standard

2-Hydroxy Desipramine-d3 chemical structure

2-Hydroxy Desipramine-d3

CAS: 1189998-63-7
Formula: C₁₈H₂₂N₂O
MW: 285.4 g/mol

VQ-043412

Reference Standard

2-Hydroxy Estrone chemical structure

2-Hydroxy Estrone

CAS: 362-06-1
Formula: C₁₈H₂₂O₃
MW: 286.4 g/mol

VQ-037095

Reference Standard

2-Hydroxy Estrone-D4 chemical structure

2-Hydroxy Estrone-D4

CAS: 81586-97-2
Formula: C₁₈H₂₂O₃
MW: 290.4 g/mol

VQ-048281

Reference Standard

2-Hydroxy Ethynyl Estradiol chemical structure

2-Hydroxy Ethynyl Estradiol

CAS: 50394-89-3
Formula: C₂₀H₂₄O₃
MW: 312.4 g/mol

VQ-037128

Reference Standard

2-Hydroxy Hippuric Acid chemical structure

2-Hydroxy Hippuric Acid

CAS: 487-54-7
Formula: C₉H₉NO₄
MW: 195.17 g/mol

VQ-031063

Reference Standard

2-Hydroxy Imipramine chemical structure

2-Hydroxy Imipramine

CAS: 303-70-8
Formula: C₁₉H₂₄N₂O
MW: 296.4 g/mol

VQ-048667

Reference Standard

2-Hydroxy Imiquimod chemical structure

2-Hydroxy Imiquimod

CAS: 112668-45-8
Formula: C₁₄H₁₆N₄O
MW: 256.3 g/mol

VQ-031183

Reference Standard

2-Hydroxy Irinotecan chemical structure

2-Hydroxy Irinotecan

CAS: 1346597-39-4
Formula: C₃₃H₃₈N₄O₇
MW: 602.7 g/mol

VQ-026218

Reference Standard

2-Hydroxy Lisdexamfetamine Impurity chemical structure

2-Hydroxy Lisdexamfetamine Impurity

CAS: 2415710-17-5
Formula: C₁₅H₂₅N₃O₂
MW: 279.38 g/mol

VQ-038083

Reference Standard

2-Hydroxy Nevirapine chemical structure

2-Hydroxy Nevirapine

CAS: 254889-31-1
Formula: C₁₅H₁₄N₄O₂
MW: 282.3 g/mol

VQ-038597

Reference Standard

2-Hydroxy Trimipramine chemical structure

2-Hydroxy Trimipramine

CAS: 2064-15-5
Formula: C₂₀H₂₆N₂O
MW: 310.4 g/mol

VQ-042708

Reference Standard

2-Hydroxy-1-phenylethanone chemical structure

2-Hydroxy-1-phenylethanone

CAS: 582-24-1
Formula: C₈H₈O₂
MW: 136.15 g/mol

VQ-027219

Reference Standard

2-Hydroxy-2-(2,4,5-trifluorophenyl)acetic acid chemical structure

2-Hydroxy-2-(2,4,5-trifluorophenyl)acetic acid

CAS: 375369-29-2
Formula: C₈H₅F₃O₃
MW: 206.12 g/mol

VQ-044293

Reference Standard

2-Hydroxy-2-(4-hydroxyphenyl)acetic acid chemical structure

2-Hydroxy-2-(4-hydroxyphenyl)acetic acid

CAS: 1198-84-1
Formula: C₈H₈O₄
MW: 168.15 g/mol

VQ-029239

Reference Standard

2-Hydroxy-2-(pyridin-3-yl)acetonitrile chemical structure

2-Hydroxy-2-(pyridin-3-yl)acetonitrile

CAS: 17604-74-9
Formula: C₇H₆N₂O
MW: 134.14 g/mol

VQ-040515

Reference Standard

2-Hydroxy-2-azaspiro[4.5]decan-3-one chemical structure

2-Hydroxy-2-azaspiro[4.5]decan-3-one

CAS: 479668-10-5
Formula: C₉H₁₅NO₂
MW: 169.22 g/mol

VQ-045105

Reference Standard

2-Hydroxy-2-Methyl-1-Phenylpropan-1-One chemical structure

2-Hydroxy-2-Methyl-1-Phenylpropan-1-One

CAS: 7473-98-5
Formula: C₁₀H₁₂O₂
MW: 164.2 g/mol

VQ-039068

Reference Standard

2-Hydroxy-2-methyl-propionamidine HCl chemical structure

2-Hydroxy-2-methyl-propionamidine HCl

CAS: 3619-62-3
Formula: C₄H₁₁ClN₂O
MW: 138.59 g/mol

VQ-049437

Reference Standard

2-Hydroxy-3-methoxy-3,3-diphenylpropanoic Acid chemical structure

2-Hydroxy-3-methoxy-3,3-diphenylpropanoic Acid

CAS: 178306-51-9
Formula: C₁₆H₁₆O₄
MW: 272.29 g/mol

VQ-023383

Reference Standard

2-Hydroxy-3-methoxyacetophenone chemical structure

2-Hydroxy-3-methoxyacetophenone

CAS: 703-98-0
Formula: C₉H₁₀O₃
MW: 166.17 g/mol

VQ-031163

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