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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.

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

Vildagliptin Impurity G chemical structure

Vildagliptin Impurity G

CAS: 1616662-84-0
Formula: C₁₂H₂₀N₄O₃
MW: 268.31 g/mol

VQ-028705

Reference Standard

Vildagliptin impurity I chemical structure

Vildagliptin impurity I

CAS: 1032564-18-3
Formula: C₁₂H₁₉NO₃
MW: 225.28 g/mol

VQ-028703

Reference Standard

Vildagliptin impurity M chemical structure

Vildagliptin impurity M

CAS: 1844894-70-7
Formula: C₁₇H₂₄N₂O₃
MW: 304.4 g/mol

VQ-034610

Reference Standard

Vildagliptin Impurity-2 [(R and S) Mixture] chemical structure

Vildagliptin Impurity-2 [(R and S) Mixture]

CAS: 6708-06-1
Formula: C₁₀H₁₄N₂O₂
MW: 194.23 g/mol

In stock

Reference Standard

Vildagliptin L-Proline Impurity chemical structure

Vildagliptin L-Proline Impurity

CAS: 674292-94-5
Formula: C₆H₁₁N₃O₂
MW: 157.17 g/mol

In stock

Reference Standard

Vildagliptin N-Nitroso-L-Prolinaminde chemical structure

Vildagliptin N-Nitroso-L-Prolinaminde

CAS: 79108-51-3
Formula: C₅H₉N₃O₂
MW: 143.14 g/mol

In stock

Reference Standard

Vildagliptin N-Nitroso-L-Proline Methyl Ester chemical structure

Vildagliptin N-Nitroso-L-Proline Methyl Ester

CAS: 35909-01-4
Formula: C₆H₁₀N₂O₃
MW: 158.16 g/mol

VQ-028707

Reference Standard

Vildagliptin Nitroso Impurity 1

Vildagliptin Nitroso Impurity 1

Formula: C₁₇H₂₄N₄O₃
MW: 332.4 g/mol

In stock

Reference Standard

Vildagliptin Pyrazine impurity

Vildagliptin Pyrazine impurity

CAS: 2797661-57-3
Formula: C₇H₁₀N₂O₃
MW: 170.17 g/mol

VQ-042900

Reference Standard

Vildagliptin Racemic chemical structure

Vildagliptin Racemic

CAS: 1360862-63-0
Formula: C₁₇H₂₅N₃O₂
MW: 303.4 g/mol

VQ-034609

Reference Standard

Vildagliptin WS chemical structure

Vildagliptin WS

CAS: 274901-16-5
Formula: C₁₇H₂₅N₃O₂
MW: 303.4 g/mol

In stock

Reference Standard

Vildagliptin β-D-Glucuronide chemical structure

Vildagliptin β-D-Glucuronide

CAS: 1147403-03-9
Formula: C₂₃H₃₃N₃O₈
MW: 479.5 g/mol

VQ-042903

Reference Standard

Vildagliptin-d3 chemical structure

Vildagliptin-d3

CAS: 1217546-82-1
Formula: C₁₇H₂₅N₃O₂
MW: 306.42 g/mol

VQ-034627

Reference Standard

Vildagliptin-d7 chemical structure

Vildagliptin-d7

CAS: 1133208-42-0
Formula: C₁₇H₂₅N₃O₂
MW: 310.44 g/mol

VQ-043450

Reference Standard

Viloxazine chemical structure

CAS: 46817-91-8
Formula: C₁₃H₁₉NO₃
MW: 237.29 g/mol

VQ-007849

Reference Standard

Viloxazine Hydrochloride chemical structure

Viloxazine Hydrochloride

CAS: 35604-67-2
Formula: C₁₃H₂₀ClNO₃
MW: 273.75 g/mol

In stock

Reference Standard

Viloxazine Impurity 3

Viloxazine Impurity 3

CAS: 2146010-99-1
Formula: C₉H₂₀N₂O₂
MW: 188.27 g/mol

VQ-042909

Reference Standard

Vinblastine chemical structure

CAS: 865-21-4
Formula: C₄₆H₅₈N₄O₉
MW: 811 g/mol

VQ-028714

Reference Standard

Vinblastine Impurity B chemical structure

Vinblastine Impurity B

CAS: 61936-68-3
Formula: C₄₆H₅₈N₄O₁₀
MW: 827 g/mol

VQ-034633

Reference Standard

Vinblastine Sulfate chemical structure

Vinblastine Sulfate

CAS: 143-67-9
Formula: C₄₆H₆₀N₄O₁₃S
MW: 909.1 g/mol

VQ-028711

Reference Standard

Vincamine chemical structure

CAS: 1617-90-9
Formula: C₂₁H₂₆N₂O₃
MW: 354.4 g/mol

VQ-032314

Reference Standard

Vinclozolin M2 chemical structure

CAS: 83792-61-4
Formula: C₁₁H₁₁Cl₂NO₂
MW: 260.11 g/mol

VQ-049460

Reference Standard

Vincristine chemical structure

CAS: 57-22-7
Formula: C₄₆H₅₆N₄O₁₀
MW: 825 g/mol

VQ-044214

Reference Standard

Vincristine EP Impurity E chemical structure

Vincristine EP Impurity E

CAS: 3352-69-0
Formula: C₄₄H₅₆N₄O₈
MW: 768.9 g/mol

VQ-034635

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