Skip to content

Product division

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

Vorinostat chemical structure

CAS: 149647-78-9
Formula: C₁₄H₂₀N₂O₃
MW: 264.32 g/mol

VQ-042944

Reference Standard

Vorinostat Amide Impurity chemical structure

Vorinostat Amide Impurity

CAS: 1305124-48-4
Formula: C₁₄H₂₀N₂O₂
MW: 248.32 g/mol

VQ-044602

Reference Standard

Vortioxetine chemical structure

CAS: 508233-74-7
Formula: C₁₈H₂₂N₂S
MW: 298.4 g/mol

VQ-007855

Reference Standard

Vortioxetine 3,4-isomer Hydrochloride chemical structure

Vortioxetine 3,4-isomer Hydrochloride

CAS: 1293342-97-8
Formula: C₁₈H₂₃ClN₂S
MW: 334.9 g/mol

VQ-042947

Reference Standard

Vortioxetine Dimer impurity chemical structure

Vortioxetine Dimer impurity

CAS: 2476761-84-7
Formula: C₃₈H₄₄N₄OS₂
MW: 636.9 g/mol

VQ-042950

Reference Standard

Vortioxetine Ethanediamine Dimer Impurity chemical structure

Vortioxetine Ethanediamine Dimer Impurity

CAS: 1928741-85-8
Formula: C₃₂H₃₇N₃S₂
MW: 527.8 g/mol

VQ-035494

Reference Standard

Vortioxetine Glucose Adduct chemical structure

Vortioxetine Glucose Adduct

CAS: 2135577-60-3
Formula: C₂₄H₃₂N₂O₅S
MW: 460.6 g/mol

VQ-042949

Reference Standard

Vortioxetine Hydrobromide chemical structure

Vortioxetine Hydrobromide

CAS: 960203-27-4
Formula: C₁₈H₂₃BrN₂S
MW: 379.4 g/mol

In stock

Reference Standard

Vortioxetine Impurity 16 chemical structure

Vortioxetine Impurity 16

CAS: 16704-47-5
Formula: C₁₄H₁₄S
MW: 214.33 g/mol

VQ-034693

Reference Standard

Vortioxetine Impurity 4 chemical structure

Vortioxetine Impurity 4

CAS: 1293489-77-6
Formula: C₁₈H₂₂N₂S
MW: 298.4 g/mol

VQ-035504

Reference Standard

Vortioxetine Sulfone chemical structure

Vortioxetine Sulfone

CAS: 1639263-80-1
Formula: C₁₈H₂₂N₂O₂S
MW: 330.4 g/mol

VQ-028752

Reference Standard

Vortioxetine Sulfoxide chemical structure

Vortioxetine Sulfoxide

CAS: 1429908-35-9
Formula: C₁₈H₂₂N₂OS
MW: 314.4 g/mol

VQ-028761

Reference Standard

Vortioxetine Sulfoxide Hydrobromide chemical structure

Vortioxetine Sulfoxide Hydrobromide

CAS: 2228086-73-3
Formula: C₁₈H₂₃BrN₂OS
MW: 395.4 g/mol

VQ-034688

Reference Standard

Vortioxetine Sulfoxide Hydrochloride chemical structure

Vortioxetine Sulfoxide Hydrochloride

CAS: 2236051-10-6
Formula: C₁₈H₂₃ClN₂OS
MW: 350.9 g/mol

VQ-042953

Reference Standard

Vortioxetine-d8 chemical structure

Vortioxetine-d8

CAS: 2140316-62-5
Formula: C₁₈H₂₂N₂S
MW: 306.5 g/mol

VQ-042954

Reference Standard

Vosoritide

CAS: 1480724-61-5
Formula: C₁₇₆H₂₉₀N₅₆O₅₁S₃
MW: 4103 g/mol

VQ-034706

Reference Standard

Voxelotor Impurity 1 chemical structure

Voxelotor Impurity 1

CAS: 1282518-60-8
Formula: C₁₂H₂₁BN₂O₂
MW: 236.12 g/mol

VQ-042955

Reference Standard

Voxelotor Impurity 2 chemical structure

Voxelotor Impurity 2

CAS: 84290-49-3
Formula: C₉H₁₀O₄
MW: 182.17 g/mol

VQ-042956

Reference Standard

Voxilaprevir chemical structure

CAS: 1535212-07-7
Formula: C₄₀H₅₂F₄N₆O₉S
MW: 868.9 g/mol

VQ-042957

Reference Standard

Walborskys Reagent chemical structure

Walborskys Reagent

CAS: 14542-93-9
Formula: C₉H₁₇N
MW: 139.24 g/mol

VQ-007857

Reference Standard

Warfarin chemical structure

CAS: 81-81-2
Formula: C₁₉H₁₆O₄
MW: 308.3 g/mol

VQ-028766

Reference Standard

Warfarin Alcohol (Mixture of Diastereomers) chemical structure

Warfarin Alcohol (Mixture of Diastereomers)

CAS: 28392-96-3
Formula: C₁₉H₁₈O₄
MW: 310.3 g/mol

VQ-028765

Reference Standard

Warfarin Sodium chemical structure

Warfarin Sodium

CAS: 129-06-6
Formula: C₁₉H₁₅NaO₄
MW: 330.3 g/mol

VQ-034707

Reference Standard

Warfarin Sodium - Impurity A chemical structure

Warfarin Sodium - Impurity A

CAS: 15156-56-6
Formula: C₁₈H₁₆O₂
MW: 264.3 g/mol

VQ-024035

Need a price, a spec or a custom compound?

Send us your list — product names or CAS numbers, grade, quantity and destination. Our team replies with a formal quotation, COA and lead time.

Request a quote Contact sales