Impurity Reference Standards

API Impurities

Process impurities, isomers, degradants and related compounds for thousands of APIs, characterised for method development, validation and QC release.

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Canagliflozin Impurity F

CAS: 1071929-08-2
Formula: C₁₈H₁₂FIOS
MW: 422.3 g/mol

ZX-023721

Canagliflozin Impurity-IVB

CAS: 2110533-80-5
Formula: C₃₂H₃₃FO₉S
MW: 612.7 g/mol

ZX-004493

Canagliflozin Mono Hydroxy Acetyl Impurity

CAS: 1071929-02-6
Formula: C₃₂H₃₃FO₁₀S
MW: 628.7 g/mol

ZX-004494

Canagliflozin Monoacetyl Impurity

CAS: 2146135-87-5
Formula: C₂₆H₂₇FO₆S
MW: 486.6 g/mol

ZX-021001

Canagliflozin Monomethoxy Impurity

CAS: 1030825-21-8
Formula: C₂₅H₂₇FO₆S
MW: 474.5 g/mol

ZX-004495

Candesartan Acid Methoxy Analog

CAS: 139481-76-8
Formula: C₂₃H₁₈N₆O₃
MW: 426.4 g/mol

ZX-028433

Candesartan Benzimidazole Methoxy Methyl Ester

CAS: 1246817-06-0
Formula: C₁₀H₁₀N₂O₃
MW: 206.2 g/mol

ZX-023731

Candesartan cilexetil

CAS: 145040-37-5
Formula: C₃₃H₃₄N₆O₆
MW: 610.7 g/mol

ZX-021004

Candesartan Cilexetil Methoxy Analog

CAS: 1026042-12-5
Formula: C₃₂H₃₂N₆O₆
MW: 596.6 g/mol

ZX-023729

Candesartan Cilexetil N2-Trityl Methoxy Analog

CAS: 1797867-82-3
Formula: C₅₁H₄₆N₆O₆
MW: 838.9 g/mol

ZX-023732

Candesartan Ethyl Ester N1-Cilexetil Analog

CAS: 1391054-45-7
Formula: C₃₅H₃₈N₆O₆
MW: 638.7 g/mol

ZX-028430

Candesartan Impurity 4

CAS: 139481-38-2
Formula: C₂₇H₂₅N₃O₆
MW: 487.5 g/mol

ZX-028428

Candesartan Methyl Ester Methoxy Analog

CAS: 139481-75-7
Formula: C₂₄H₂₀N₆O₃
MW: 440.5 g/mol

ZX-028434

Candesartan N1-Ethyl Impurity

CAS: 1246817-38-8
Formula: C₂₆H₂₄N₆O₃
MW: 468.5 g/mol

ZX-023733

Candesartan N2-Ethyl Impurity

CAS: 1246819-02-2
Formula: C₂₆H₂₄N₆O₃
MW: 468.5 g/mol

ZX-023727

Canertinib Dihydrochloride

CAS: 289499-45-2
Formula: C₂₄H₂₇Cl₃FN₅O₃
MW: 558.9 g/mol

ZX-042775

Cangrelor Impurity A

CAS: 847460-53-1
Formula: C₁₆H₂₃F₃N₅O₇PS₂
MW: 549.5 g/mol

ZX-020112

Cangrelor Tetrasodium

CAS: 163706-36-3
Formula: C₁₇H₂₁Cl₂F₃N₅Na₄O₁₂P₃S₂
MW: 864.3 g/mol

ZX-023734

Cannabidiol C4

CAS: 60113-11-3
Formula: C₂₀H₂₈O₂
MW: 300.4 g/mol

ZX-036855

Cannabidiol hydroxyquinone

CAS: 137252-25-6
Formula: C₂₁H₂₈O₃
MW: 328.4 g/mol

ZX-036854

Cannabidiolic acid

CAS: 1244-58-2
Formula: C₂₂H₃₀O₄
MW: 358.5 g/mol

ZX-028440

Cannabidivarin

CAS: 24274-48-4
Formula: C₁₉H₂₆O₂
MW: 286.4 g/mol

ZX-028444

Cannabigerolic Acid

CAS: 25555-57-1
Formula: C₂₂H₃₂O₄
MW: 360.5 g/mol

ZX-033144

Capecitabine 3-O-BDR Impurity

CAS: 1262133-64-1
Formula: C₂₀H₃₀FN₃O₉
MW: 475.5 g/mol

ZX-021012

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