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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

N-Ethyl Lenacapavir

N-Ethyl Lenacapavir

CAS: 3025145-48-3
Formula: C₄₁H₃₆ClF₁₀N₇O₅S₂
MW: 996.3 g/mol

VQ-026393

Reference Standard

N-Ethyl Pioglitazone chemical structure

N-Ethyl Pioglitazone

CAS: 1333110-38-5
Formula: C₂₁H₂₄N₂O₃S
MW: 384.5 g/mol

VQ-033196

Reference Standard

N-Ethyl Topiramate

N-Ethyl Topiramate

CAS: 205248-77-7
Formula: C₁₄H₂₅NO₈S
MW: 367.42 g/mol

VQ-034360

Reference Standard

N-Ethyl-1-(2-(trifluoromethyl)phenyl)propan-2-amine chemical structure

N-Ethyl-1-(2-(trifluoromethyl)phenyl)propan-2-amine

CAS: 172953-70-7
Formula: C₁₂H₁₆F₃N
MW: 231.26 g/mol

VQ-043577

Reference Standard

N-Ethyl-4-Methoxyamphetamine hydrochloride chemical structure

N-Ethyl-4-Methoxyamphetamine hydrochloride

CAS: 93963-24-7
Formula: C₁₂H₂₀ClNO
MW: 229.74 g/mol

VQ-031747

Reference Standard

N-Ethyl-Adrenalone Hydrochloride chemical structure

N-Ethyl-Adrenalone Hydrochloride

CAS: 59643-82-2
Formula: C₁₁H₁₆ClNO₃
MW: 245.7 g/mol

VQ-028947

Reference Standard

N-Ethyl-N-(2-hydroxyethyl)nitrosamine chemical structure

N-Ethyl-N-(2-hydroxyethyl)nitrosamine

CAS: 13147-25-6
Formula: C₄H₁₀N₂O₂
MW: 118.13 g/mol

VQ-032676

Reference Standard

N-Ethyl-N-nitroso-1-propanamine chemical structure

N-Ethyl-N-nitroso-1-propanamine

CAS: 25413-61-0
Formula: C₅H₁₂N₂O
MW: 116.16 g/mol

VQ-027230

Reference Standard

N-Ethylmedetomidine chemical structure

N-Ethylmedetomidine

CAS: 2250243-24-2
Formula: C₁₅H₂₀N₂
MW: 228.33 g/mol

VQ-026580

Reference Standard

N-FMOC-L-phenylalanine-d8 chemical structure

N-FMOC-L-phenylalanine-d8

CAS: 1353853-39-0
Formula: C₂₄H₂₁NO₄
MW: 395.5 g/mol

VQ-041227

Reference Standard

N-Formyl Amlodipine chemical structure

N-Formyl Amlodipine

CAS: 93848-81-8
Formula: C₂₁H₂₅ClN₂O₆
MW: 436.9 g/mol

VQ-021563

Reference Standard

N-Formyl Atomoxetine chemical structure

N-Formyl Atomoxetine

CAS: 2376668-89-0
Formula: C₁₈H₂₁NO₂
MW: 283.4 g/mol

VQ-024396

Reference Standard

N-Formyl Benzocaine chemical structure

N-Formyl Benzocaine

CAS: 5422-63-9
Formula: C₁₀H₁₁NO₃
MW: 193.2 g/mol

VQ-021776

Reference Standard

N-Formyl ceftazidime

N-Formyl ceftazidime

CAS: 1301254-49-8
Formula: C₂₃H₂₂N₆O₈S₂
MW: 574.58 g/mol

VQ-022112

Reference Standard

N-Formyl Ciprofloxacin chemical structure

N-Formyl Ciprofloxacin

CAS: 93594-39-9
Formula: C₁₈H₁₈FN₃O₄
MW: 359.4 g/mol

VQ-022197

Reference Standard

N-Formyl Desipramine

N-Formyl Desipramine

CAS: 74728-47-5
Formula: C₁₉H₂₂N₂O
MW: 294.39 g/mol

VQ-036623

Reference Standard

N-Formyl Duloxetine chemical structure

N-Formyl Duloxetine

CAS: 1243540-89-7
Formula: C₁₉H₁₉NO₂S
MW: 325.4 g/mol

VQ-030331

Reference Standard

N-Formyl Fluoxetine chemical structure

N-Formyl Fluoxetine

CAS: 199188-97-1
Formula: C₁₈H₁₈F₃NO₂
MW: 337.3 g/mol

VQ-022684

Reference Standard

N-Formyl Leurosine chemical structure

N-Formyl Leurosine

CAS: 54022-49-0
Formula: C₄₆H₅₄N₄O₁₀
MW: 822.9 g/mol

VQ-034634

Reference Standard

N-Formyl Linagliptin chemical structure

N-Formyl Linagliptin

CAS: 3037659-49-4
Formula: C₂₆H₂₈N₈O₃
MW: 500.6 g/mol

VQ-048897

Reference Standard

N-Formyl Mesalazine chemical structure

N-Formyl Mesalazine

CAS: 104786-99-4
Formula: C₈H₇NO₄
MW: 181.15 g/mol

VQ-038316

Reference Standard

N-Formyl Nortriptyline Impurity chemical structure

N-Formyl Nortriptyline Impurity

CAS: 76411-61-5
Formula: C₂₀H₂₁NO
MW: 291.4 g/mol

VQ-032219

Reference Standard

N-Formyl Phenylephrine chemical structure

N-Formyl Phenylephrine

CAS: 2382194-29-6
Formula: C₁₀H₁₃NO₃
MW: 195.21 g/mol

VQ-042032

Reference Standard

N-Formyl Pregabalin chemical structure

N-Formyl Pregabalin

CAS: 1488274-42-5
Formula: C₉H₁₇NO₃
MW: 187.24 g/mol

VQ-027615

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