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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

Deflazacort chemical structure

CAS: 14484-47-0
Formula: C₂₅H₃₁NO₆
MW: 441.5 g/mol

VQ-025233

Reference Standard

Deflazacort Impurity 4 chemical structure

Deflazacort Impurity 4

CAS: 1425664-43-2
Formula: C₂₃H₂₈INO₄
MW: 509.4 g/mol

VQ-025234

Reference Standard

Deflazacort Impurity C chemical structure

Deflazacort Impurity C

CAS: 710951-92-1
Formula: C₂₇H₃₃NO₇
MW: 483.6 g/mol

VQ-025232

Reference Standard

Deflazacort-d3 chemical structure

CAS: 2280940-17-0
Formula: C₂₅H₃₁NO₆
MW: 444.5 g/mol

VQ-036608

Reference Standard

Defluoro Atorvastatin Acetonide tert-Butyl Ester chemical structure

Defluoro Atorvastatin Acetonide tert-Butyl Ester

CAS: 1105067-91-1
Formula: C₄₀H₄₈N₂O₅
MW: 636.8 g/mol

VQ-021672

Reference Standard

Defluoro Nebivolol chemical structure

Defluoro Nebivolol

CAS: 129101-34-4
Formula: C₂₂H₂₆FNO₄
MW: 387.4 g/mol

VQ-026840

Reference Standard

Defluoro O-Methyl Dolutegravir chemical structure

Defluoro O-Methyl Dolutegravir

CAS: 2244245-33-6
Formula: C₂₁H₂₂FN₃O₅
MW: 415.4 g/mol

VQ-036778

Reference Standard

Defluoro Paliperidone chemical structure

Defluoro Paliperidone

CAS: 1380413-60-4
Formula: C₂₃H₂₈N₄O₃
MW: 408.5 g/mol

VQ-027374

Reference Standard

Defluoro Paliperidone Palmitate chemical structure

Defluoro Paliperidone Palmitate

CAS: 2985926-12-1
Formula: C₃₉H₅₈N₄O₄
MW: 646.9 g/mol

VQ-043823

Reference Standard

Defluoro Prasugrel Hydrochloride chemical structure

Defluoro Prasugrel Hydrochloride

CAS: 1391053-53-4
Formula: C₂₀H₂₂ClNO₃S
MW: 391.9 g/mol

VQ-027576

Reference Standard

Degarelix chemical structure

CAS: 214766-78-6
Formula: C₈₂H₁₀₃ClN₁₈O₁₆
MW: 1632.3 g/mol

VQ-047984

Reference Standard

Degarelix Acetate chemical structure

Degarelix Acetate

CAS: 934016-19-0
Formula: C₈₄H₁₀₇ClN₁₈O₁₈
MW: 1692.3 g/mol

VQ-030111

Reference Standard

Dehydrate Neomycin chemical structure

Dehydrate Neomycin

CAS: 58152-23-1
Formula: C₁₇H₃₄N₄O₁₀
MW: 454.5 g/mol

VQ-038583

Reference Standard

Dehydro Amlodipine N-oxide chemical structure

Dehydro Amlodipine N-oxide

CAS: 2418591-36-1
Formula: C₂₀H₂₃ClN₂O₆
MW: 422.9 g/mol

In stock

Reference Standard

Dehydro Androsterone chemical structure

Dehydro Androsterone

CAS: 2283-82-1
Formula: C₁₉H₂₈O₂
MW: 288.4 g/mol

VQ-034147

Reference Standard

Dehydro Apixaban Impurity (MPD-3)

Dehydro Apixaban Impurity (MPD-3)

Formula: C₁₉H₂₂ClN₃O₃
MW: 375.85 g/mol

In stock

Reference Standard

Dehydro Aripiprazole D8 chemical structure

Dehydro Aripiprazole D8

CAS: 1215897-99-6
Formula: C₂₃H₂₅Cl₂N₃O₂
MW: 454.4 g/mol

VQ-043991

Reference Standard

Dehydro Aripiprazole Hydrochloride chemical structure

Dehydro Aripiprazole Hydrochloride

CAS: 1008531-60-9
Formula: C₂₃H₂₆Cl₃N₃O₂
MW: 482.8 g/mol

VQ-029219

Reference Standard

Dehydro Azelnidipine chemical structure

Dehydro Azelnidipine

CAS: 918659-10-6
Formula: C₃₃H₃₂N₄O₆
MW: 580.6 g/mol

VQ-024472

Reference Standard

Dehydro Barnidipine chemical structure

Dehydro Barnidipine

CAS: 172331-68-9
Formula: C₂₇H₂₇N₃O₆
MW: 489.5 g/mol

VQ-047524

Reference Standard

Dehydro Benidipine chemical structure

Dehydro Benidipine

CAS: 118935-44-7
Formula: C₂₈H₂₉N₃O₆
MW: 503.5 g/mol

VQ-020920

Reference Standard

Dehydro Carisoprodol chemical structure

Dehydro Carisoprodol

CAS: 2726380-15-8
Formula: C₁₂H₂₂N₂O₄
MW: 258.31 g/mol

VQ-024812

Reference Standard

Dehydro Cinacalcet Hydrochloride chemical structure

Dehydro Cinacalcet Hydrochloride

CAS: 1207533-91-2
Formula: C₂₂H₂₁ClF₃N
MW: 391.9 g/mol

VQ-036318

Reference Standard

Dehydro Clindamycin chemical structure

Dehydro Clindamycin

CAS: 909032-77-5
Formula: C₁₈H₃₁ClN₂O₅S
MW: 423 g/mol

VQ-043574

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