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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

Vicagrel chemical structure

CAS: 1314081-53-2
Formula: C₁₈H₁₈ClNO₄S
MW: 379.9 g/mol

VQ-042874

Reference Standard

Vicenin II chemical structure

CAS: 23666-13-9
Formula: C₂₇H₃₀O₁₅
MW: 594.5 g/mol

VQ-035096

Reference Standard

Vidarabine chemical structure

CAS: 5536-17-4
Formula: C₁₀H₁₃N₅O₄
MW: 267.24 g/mol

VQ-034598

Reference Standard

Vigabatrin chemical structure

CAS: 60643-86-9
Formula: C₆H₁₁NO₂
MW: 129.16 g/mol

VQ-042875

Reference Standard

Vigabatrin chemical structure

CAS: 68506-86-5
Formula: C₆H₁₁NO₂
MW: 129.16 g/mol

VQ-043348

Reference Standard

Vigabatrin EP Impurity A chemical structure

Vigabatrin EP Impurity A

CAS: 7529-16-0
Formula: C₆H₉NO
MW: 111.14 g/mol

VQ-021360

Reference Standard

Vigabatrin EP Impurity C chemical structure

Vigabatrin EP Impurity C

CAS: 71107-19-2
Formula: C₇H₁₀N₂O₂
MW: 154.17 g/mol

VQ-024001

Reference Standard

Vigabatrin EP Impurity E chemical structure

Vigabatrin EP Impurity E

CAS: 1378466-25-1
Formula: C₇H₁₁NO₄
MW: 173.17 g/mol

VQ-021359

Reference Standard

Vigabatrin EP Impurity F chemical structure

Vigabatrin EP Impurity F

CAS: 794466-81-2
Formula: C₁₂H₂₀N₂O₃
MW: 240.3 g/mol

VQ-024002

Reference Standard

Vilanterol chemical structure

CAS: 503068-34-6
Formula: C₂₄H₃₃Cl₂NO₅
MW: 486.4 g/mol

VQ-028695

Reference Standard

Vilanterol Dimer chemical structure

Vilanterol Dimer

CAS: 2762285-55-0
Formula: C₄₈H₆₄Cl₄N₂O₉
MW: 954.8 g/mol

VQ-024005

Reference Standard

Vilanterol Dimer impurity

Vilanterol Dimer impurity

CAS: 2057437-62-2
Formula: C₄₈H₆₄Cl₄N₂O₉
MW: 954.8 g/mol

VQ-044940

Reference Standard

Vilanterol Impurity 10

Vilanterol Impurity 10

CAS: 452342-07-3
Formula: C₂₅H₃₇NO₃Si
MW: 427.7 g/mol

VQ-042880

Reference Standard

Vilanterol Impurity 9

Vilanterol Impurity 9

CAS: 452342-06-2
Formula: C₁₈H₂₉BrO₃Si
MW: 401.41 g/mol

VQ-042879

Reference Standard

Vilanterol metabolite M26 chemical structure

Vilanterol metabolite M26

CAS: 1463889-94-2
Formula: C₁₇H₂₅Cl₂NO₄
MW: 378.3 g/mol

VQ-042883

Reference Standard

Vilanterol metabolite M29 chemical structure

Vilanterol metabolite M29

CAS: 1228049-12-4
Formula: C₁₇H₂₉NO₅
MW: 327.4 g/mol

VQ-042882

Reference Standard

Vilanterol Racemate chemical structure

Vilanterol Racemate

CAS: 957997-33-0
Formula: C₂₄H₃₃Cl₂NO₅
MW: 486.4 g/mol

VQ-034603

Reference Standard

Vilanterol Trifenatate chemical structure

Vilanterol Trifenatate

CAS: 503070-58-4
Formula: C₄₄H₄₉Cl₂NO₇
MW: 774.8 g/mol

VQ-028698

Reference Standard

Vilanterol Trifenatate-d4 chemical structure

Vilanterol Trifenatate-d4

CAS: 2021249-10-3
Formula: C₄₄H₄₉Cl₂NO₇
MW: 778.8 g/mol

VQ-042884

Reference Standard

Vilazidone CBI Dimer

Vilazidone CBI Dimer

Formula: C₂₈H₃₁N₅
MW: 437.58 g/mol

In stock

Reference Standard

Vilazodone chemical structure

CAS: 163521-12-8
Formula: C₂₆H₂₇N₅O₂
MW: 441.5 g/mol

VQ-007846

Reference Standard

Vilazodone CBI Dimer (st-2) Int-A chemical structure

Vilazodone CBI Dimer (st-2) Int-A

CAS: 914927-40-5
Formula: C₁₃H₁₄N₂O
MW: 214.26 g/mol

In stock

Reference Standard

Vilazodone CBI Dimer (st-3) Int-A chemical structure

Vilazodone CBI Dimer (st-3) Int-A

CAS: 913730-89-9
Formula: C₁₃H₁₂N₂O
MW: 212.25 g/mol

In stock

Reference Standard

Vilazodone CBI Dimer (st-I) Int-A

Vilazodone CBI Dimer (st-I) Int-A

Formula: C₁₅H₁₆N₂O₂
MW: 256.3 g/mol

In stock

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