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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

Capivasertib Di-Boc Acid Impurity

Capivasertib Di-Boc Acid Impurity

CAS: 3107819-49-5
Formula: C₂₂H₃₁N₅O₆
MW: 461.51 g/mol

In stock

Reference Standard

Capivasertib Di-Boc Amide Impurity

Capivasertib Di-Boc Amide Impurity

CAS: 3107819-50-8
Formula: C₃₁H₄₁ClN₆O₆
MW: 629.15 g/mol

In stock

Reference Standard

Capivasertib Diazaspirodecanedione Impurity chemical structure

Capivasertib Diazaspirodecanedione Impurity

CAS: 1835762-06-5
Formula: C₁₃H₁₃N₅O₃
MW: 287.27 g/mol

VQ-035559

Reference Standard

Capivasertib Impurity chemical structure

Capivasertib Impurity

CAS: 131690-60-3
Formula: C₉H₁₀ClNO₂
MW: 199.63 g/mol

VQ-047680

Reference Standard

Capivasertib Impurity 3

Capivasertib Impurity 3

CAS: 1143534-36-4
Formula: C₂₆H₃₃ClN₆O₄
MW: 529 g/mol

VQ-045401

Reference Standard

Capivasertib Piperidine Impurity

Capivasertib Piperidine Impurity

CAS: 1143534-59-1
Formula: C₁₅H₂₂ClN₃O₂
MW: 311.8 g/mol

VQ-045477

Reference Standard

Capivasertib R-Isomer chemical structure

Capivasertib R-Isomer

CAS: 1143532-51-7
Formula: C₂₁H₂₅ClN₆O₂
MW: 428.9 g/mol

In stock

Reference Standard

Capmatinib chemical structure

CAS: 1029712-80-8
Formula: C₂₃H₁₇FN₆O
MW: 412.4 g/mol

VQ-021981

Reference Standard

Capmatinib M18 Metabolite chemical structure

Capmatinib M18 Metabolite

CAS: 1029713-99-2
Formula: C₂₂H₁₅FN₆O
MW: 398.4 g/mol

VQ-047681

Reference Standard

Capreomycin Sulfate chemical structure

Capreomycin Sulfate

CAS: 1405-37-4
Formula: C₅₀H₉₂N₂₈O₂₃S₂
MW: 1517.6 g/mol

VQ-036132

Reference Standard

Caprolactam cyclic hexamer chemical structure

Caprolactam cyclic hexamer

CAS: 865-14-5
Formula: C₃₆H₆₆N₆O₆
MW: 678.9 g/mol

VQ-037038

Reference Standard

Caprylhydroxamic Acid chemical structure

Caprylhydroxamic Acid

CAS: 7377-03-9
Formula: C₈H₁₇NO₂
MW: 159.23 g/mol

VQ-040077

Reference Standard

Caprylic acid N-succinimidyl ester chemical structure

Caprylic acid N-succinimidyl ester

CAS: 14464-30-3
Formula: C₁₂H₁₉NO₄
MW: 241.28 g/mol

VQ-030428

Reference Standard

Capsaicin-d3 (E/Z-Mixture) chemical structure

Capsaicin-d3 (E/Z-Mixture)

CAS: 1185237-43-7
Formula: C₁₈H₂₇NO₃
MW: 308.4 g/mol

VQ-036134

Reference Standard

Capsanthin chemical structure

CAS: 465-42-9
Formula: C₄₀H₅₆O₃
MW: 584.9 g/mol

VQ-036135

Reference Standard

Captopril EP Impurity A chemical structure

Captopril EP Impurity A

CAS: 64806-05-9
Formula: C₁₈H₂₈N₂O₆S₂
MW: 432.6 g/mol

VQ-021057

Reference Standard

Captopril EP Impurity B chemical structure

Captopril EP Impurity B

CAS: 80629-35-2
Formula: C₉H₁₄BrNO₃
MW: 264.12 g/mol

VQ-021987

Reference Standard

Captopril EP Impurity C chemical structure

Captopril EP Impurity C

CAS: 26473-47-2
Formula: C₄H₈O₂S
MW: 120.17 g/mol

VQ-021984

Reference Standard

Captopril EP Impurity D chemical structure

Captopril EP Impurity D

CAS: 56970-78-6
Formula: C₄H₇BrO₂
MW: 167 g/mol

VQ-021986

Reference Standard

Captopril EP Impurity E chemical structure

Captopril EP Impurity E

CAS: 23500-15-4
Formula: C₉H₁₅NO₃
MW: 185.22 g/mol

VQ-021988

Reference Standard

Captopril EP Impurity F chemical structure

Captopril EP Impurity F

CAS: 63250-36-2
Formula: C₉H₁₅NO₃S
MW: 217.29 g/mol

VQ-021985

Reference Standard

Captopril EP Impurity G chemical structure

Captopril EP Impurity G

CAS: 33325-40-5
Formula: C₆H₁₀O₃S
MW: 162.21 g/mol

VQ-021983

Reference Standard

Captopril EP Impurity H chemical structure

Captopril EP Impurity H

CAS: 205521-07-9
Formula: C₁₅H₂₃NO₅S₂
MW: 361.5 g/mol

VQ-024760

Reference Standard

Captopril EP Impurity J chemical structure

Captopril EP Impurity J

CAS: 64838-55-7
Formula: C₁₁H₁₇NO₄S
MW: 259.32 g/mol

VQ-021991

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