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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

Zidebactam chemical structure

CAS: 1436861-97-0
Formula: C₁₃H₂₁N₅O₇S
MW: 391.4 g/mol

VQ-043001

Reference Standard

Zidovudine chemical structure

CAS: 30516-87-1
Formula: C₁₀H₁₃N₅O₄
MW: 267.24 g/mol

VQ-024047

Reference Standard

Zidovudine EP Impurity B chemical structure

Zidovudine EP Impurity B

CAS: 25526-94-7
Formula: C₁₀H₁₃ClN₂O₄
MW: 260.67 g/mol

VQ-024048

Reference Standard

Zidovudine EP Impurity F chemical structure

Zidovudine EP Impurity F

CAS: 16053-52-4
Formula: C₁₀H₁₄N₂O₅
MW: 242.23 g/mol

VQ-028774

Reference Standard

Zidovudine EP Impurity G chemical structure

Zidovudine EP Impurity G

CAS: 148665-49-0
Formula: C₂₀H₂₅N₇O₈
MW: 491.5 g/mol

VQ-024050

Reference Standard

Zidovudine EP Impurity J chemical structure

Zidovudine EP Impurity J

CAS: 29706-84-1
Formula: C₂₉H₂₇N₅O₄
MW: 509.6 g/mol

VQ-024049

Reference Standard

Zidovudine EP Impurity K chemical structure

Zidovudine EP Impurity K

CAS: 596-31-6
Formula: C₂₀H₁₈O
MW: 274.4 g/mol

VQ-021262

Reference Standard

Ziftomenib chemical structure

CAS: 2134675-36-6
Formula: C₃₃H₄₂F₃N₉O₂S₂
MW: 717.9 g/mol

VQ-034737

Reference Standard

Zileuton chemical structure

CAS: 111406-87-2
Formula: C₁₁H₁₂N₂O₂S
MW: 236.29 g/mol

VQ-034738

Reference Standard

Zileuton - Impurity A chemical structure

Zileuton - Impurity A

CAS: 171370-49-3
Formula: C₁₁H₁₂N₂OS
MW: 220.29 g/mol

VQ-028775

Reference Standard

Zileuton Glucuronide chemical structure

Zileuton Glucuronide

CAS: 141056-63-5
Formula: C₁₇H₂₀N₂O₈S
MW: 412.4 g/mol

VQ-043351

Reference Standard

Zileuton Sulfoxide chemical structure

Zileuton Sulfoxide

CAS: 1147524-83-1
Formula: C₁₁H₁₂N₂O₃S
MW: 252.29 g/mol

VQ-034739

Reference Standard

Zileuton-d4 chemical structure

CAS: 1189878-76-9
Formula: C₁₁H₁₂N₂O₂S
MW: 240.32 g/mol

VQ-043002

Reference Standard

Zilpaterol chemical structure

CAS: 119520-05-7
Formula: C₁₄H₁₉N₃O₂
MW: 261.32 g/mol

VQ-043352

Reference Standard

Zilpaterol Hydrochloride chemical structure

Zilpaterol Hydrochloride

CAS: 119520-06-8
Formula: C₁₄H₂₀ClN₃O₂
MW: 297.78 g/mol

VQ-043003

Reference Standard

Zilucoplan

CAS: 1841136-73-9
Formula: C₁₇₂H₂₇₈N₂₄O₅₅
MW: 3562 g/mol

VQ-043004

Reference Standard

Zinc acexamate chemical structure

CAS: 70020-71-2
Formula: C₁₆H₂₈N₂O₆Zn
MW: 409.8 g/mol

VQ-043005

Reference Standard

Zingerone chemical structure

CAS: 122-48-5
Formula: C₁₁H₁₄O₃
MW: 194.23 g/mol

VQ-038828

Reference Standard

Zingiberene chemical structure

CAS: 495-60-3
Formula: C₁₅H₂₄
MW: 204.35 g/mol

VQ-039065

Reference Standard

Ziprasidone 3,3' Dimer chemical structure

Ziprasidone 3,3' Dimer

CAS: 1311090-44-4
Formula: C₄₂H₃₈Cl₂N₈O₂S₂
MW: 821.8 g/mol

VQ-044360

Reference Standard

Ziprasidone Deschloro Impurity chemical structure

Ziprasidone Deschloro Impurity

CAS: 118305-72-9
Formula: C₂₁H₂₂N₄OS
MW: 378.5 g/mol

VQ-028782

Reference Standard

Ziprasidone EP Impurity A(Freebase) chemical structure

Ziprasidone EP Impurity A(Freebase)

CAS: 87691-87-0
Formula: C₁₁H₁₃N₃S
MW: 219.31 g/mol

VQ-006773

Reference Standard

Ziprasidone EP Impurity B (Freebase) chemical structure

Ziprasidone EP Impurity B (Freebase)

CAS: 1159977-56-6
Formula: C₂₁H₁₉ClN₄O₂S
MW: 426.9 g/mol

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Reference Standard

Ziprasidone EP Impurity B (Hydrochloride)

Ziprasidone EP Impurity B (Hydrochloride)

CAS: 1599424-95-9
Formula: C₂₁H₁₉ClN₄O₂S.ClH
MW: 463.38 g/mol

VQ-006775

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