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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 826 of 836

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Verapamil Hydrochloride

CAS: 152-11-4
Formula: C₂₇H₃₉ClN₂O₄
MW: 491.1 g/mol

ZX-006903

Verapamil N-Oxide

CAS: 123861-30-3
Formula: C₂₇H₃₈N₂O₅
MW: 470.6 g/mol

ZX-006364

Veratric acid-d6

CAS: 1162658-12-9
Formula: C₉H₁₀O₄
MW: 188.21 g/mol

ZX-030468

Vericiguat

CAS: 1350653-20-1
Formula: C₁₉H₁₆F₂N₈O₂
MW: 426.4 g/mol

ZX-006904

Vibegron

CAS: 1190389-15-1
Formula: C₂₆H₂₈N₄O₃
MW: 444.5 g/mol

ZX-023011

Vibegron N-Boc Amino Alcohol Impurity

CAS: 439612-08-5
Formula: C₁₅H₂₁NO₅
MW: 295.33 g/mol

ZX-027564

Vibegron N-Boc Amino Alcohol Impurity (2S,3R)-Isomer

CAS: 136620-75-2
Formula: C₁₅H₂₁NO₅
MW: 295.33 g/mol

ZX-027566

Vibegron N-Boc Amino Alcohol Impurity (2S,3S) Isomer

CAS: 136620-82-1
Formula: C₁₅H₂₁NO₅
MW: 295.33 g/mol

ZX-027565

Vibegron N-Boc Amino Phenylhexynyl Impurity (1R,2R)-Isomer

CAS: 1437235-52-3
Formula: C₁₇H₂₃NO₃
MW: 289.4 g/mol

ZX-027569

Vidarabine

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

ZX-032753

Vigabatrin

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

ZX-036380

Vigabatrin

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

ZX-036516

Vigabatrin EP Impurity A

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

ZX-020415

Vigabatrin EP Impurity C

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

ZX-023015

Vigabatrin EP Impurity E

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

ZX-020414

Vigabatrin EP Impurity F

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

ZX-023016

Vilanterol

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

ZX-027576

Vilanterol Dimer

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

ZX-023019

Vilanterol Trifenatate

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

ZX-027579

Vilazodone

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

ZX-006905

Vilazodone CBI Dimer (st-2) Int-A

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

ZX-005516

Vilazodone CBI Dimer (st-3) Int-A

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

ZX-005517

Vilazodone Diamide Impurity

CAS: 1588795-58-7
Formula: C₂₆H₂₉N₅O₃
MW: 459.5 g/mol

ZX-027582

Vilazodone Hydrochloride

CAS: 163521-08-2
Formula: C₂₆H₂₈ClN₅O₂
MW: 478 g/mol

ZX-006906

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