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Impurity Reference Standards

Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.

20,060 products6 categories2,050 in stockCOA + SDS with every lot

20,060 products · page 827 of 836

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Vilazodone Hydrochloride Dimer-2 impurity

CAS: 1640353-02-1
Formula: C₄₀H₄₂N₈O₄
MW: 698.8 g/mol

ZX-005518

Vilazodone Hydrochloride Impurity IV

CAS: 1983197-00-7
Formula: C₂₇H₂₉ClN₄O₃
MW: 493 g/mol

ZX-005519

Vilazodone Impurity 3

CAS: 163521-20-8
Formula: C₁₅H₁₈N₂O₃
MW: 274.31 g/mol

ZX-005520

Vilazodone Impurity IV

CAS: 1236722-93-2
Formula: C₂₇H₂₈N₄O₃
MW: 456.5 g/mol

ZX-005521

Vilazodone Impurity-V (Int-A)

CAS: 183288-47-3
Formula: C₁₃H₁₄N₂O₃
MW: 246.26 g/mol

ZX-005522

Vilazodone Impurity-V (Int-C)

CAS: 276863-95-7
Formula: C₁₃H₁₁ClN₂O
MW: 246.69 g/mol

ZX-005523

Vilazodone N-Boc Acid Impurity

CAS: 1192170-26-5
Formula: C₁₈H₂₂N₂O₅
MW: 346.4 g/mol

ZX-005524

Vilazodone N-Formyl Impurity

CAS: 1602487-82-0
Formula: C₁₄H₁₅N₃O₃
MW: 273.29 g/mol

ZX-005525

Vilazodone N-Oxide Impurity

CAS: 1622425-52-8
Formula: C₂₆H₂₇N₅O₃
MW: 457.5 g/mol

ZX-006365

Vildagliptin (2R)-Isomer

CAS: 1036959-27-9
Formula: C₁₇H₂₅N₃O₂
MW: 303.4 g/mol

ZX-023026

Vildagliptin Carboxamide Impurity

CAS: 565453-39-6
Formula: C₁₇H₂₇N₃O₃
MW: 321.4 g/mol

ZX-023024

Vildagliptin Carboxylic Acid

CAS: 565453-40-9
Formula: C₁₇H₂₆N₂O₄
MW: 322.4 g/mol

ZX-023023

Vildagliptin Carboxylic Acid Methyl Ester

CAS: 948574-56-9
Formula: C₁₈H₂₈N₂O₄
MW: 336.4 g/mol

ZX-023031

Vildagliptin Chloroacetyl Amide Impurity

CAS: 214398-99-9
Formula: C₇H₁₁ClN₂O₂
MW: 190.63 g/mol

ZX-023028

Vildagliptin Deshydroxy Impurity

CAS: 741657-02-3
Formula: C₁₇H₂₅N₃O
MW: 287.4 g/mol

ZX-027585

Vildagliptin Diketo Impurity

CAS: 1789703-36-1
Formula: C₁₇H₂₄N₂O₃
MW: 304.4 g/mol

ZX-023030

Vildagliptin EP Impurity L

CAS: 1710765-32-4
Formula: C₁₇H₂₅N₃O₂
MW: 303.4 g/mol

ZX-023029

Vildagliptin Impurity 2 (S-Isomer)

CAS: 19943-27-2
Formula: C₁₀H₁₄N₂O₂
MW: 194.23 g/mol

ZX-005526

Vildagliptin Impurity G

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

ZX-027586

Vildagliptin impurity I

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

ZX-027584

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

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

ZX-005527

Vildagliptin L-Proline Impurity

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

ZX-005528

Vildagliptin N-Nitroso-L-Prolinaminde

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

ZX-006218

Vildagliptin N-Nitroso-L-Proline Methyl Ester

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

ZX-027588

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