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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

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Rivaroxaban Impurity 58

CAS: 1855920-51-2
Formula: C₂₁H₂₂N₄O₅
MW: 410.4 g/mol

ZX-005283

Rivaroxaban Impurity C

CAS: 482305-98-6
Formula: C₁₈H₂₀ClN₃O₄S
MW: 409.9 g/mol

ZX-026755

Rivaroxaban Impurity D

CAS: 1838139-24-4
Formula: C₁₉H₁₈ClN₃O₅S
MW: 435.9 g/mol

ZX-026764

Rivaroxaban Impurity E

CAS: 1252018-10-2
Formula: C₁₃H₁₇ClN₂O₃
MW: 284.74 g/mol

ZX-005284

Rivaroxaban Impurity L

CAS: 1855920-54-5
Formula: C₁₉H₁₈ClN₃O₅S
MW: 435.9 g/mol

ZX-026759

Rivaroxaban Isoindolinedione Dimer

CAS: 73825-95-3
Formula: C₁₉H₁₄N₂O₅
MW: 350.3 g/mol

ZX-026763

Rivaroxaban Methyl Ester Impurity

CAS: 1838139-08-4
Formula: C₁₆H₁₉N₃O₆
MW: 349.34 g/mol

ZX-032244

Rivaroxaban N-methylphthalamido Analog

CAS: 2206360-74-7
Formula: C₂₃H₂₄N₄O₆
MW: 452.5 g/mol

ZX-026760

Rivaroxaban N-Nitroso Amide Impurity

CAS: 3069764-65-1
Formula: C₁₈H₁₉ClN₄O₅S
MW: 438.9 g/mol

ZX-006208

Rivaroxaban Nitroso Impurity 1

CAS: 25413-76-7
Formula: C₈H₁₀N₂O₂
MW: 166.18 g/mol

ZX-006209

Rivaroxaban Nitroso Impurity 2

CAS: 20689-96-7
Formula: C₉H₁₂N₂O
MW: 164.2 g/mol

ZX-006210

Rivaroxaban O-Carboxy Benzamide Impurity

CAS: 1365267-37-3
Formula: C₂₂H₂₁N₃O₇
MW: 439.4 g/mol

ZX-005285

Rivaroxaban Open Ring S-isomer (USP)

CAS: 1325210-62-5
Formula: C₁₈H₂₀ClN₃O₄S
MW: 409.9 g/mol

ZX-032262

Rivaroxaban Open-Ring Acid Impurity

CAS: 931204-39-6
Formula: C₁₉H₂₀ClN₃O₆S
MW: 453.9 g/mol

ZX-005286

Rivaroxaban Oxo Amine Amide Impurity

CAS: 1879903-65-7
Formula: C₁₉H₁₈ClN₃O₅S
MW: 435.9 g/mol

ZX-005287

Rivaroxaban Phthalamide Dimer

CAS: 1365267-36-2
Formula: C₃₆H₃₆N₆O₁₀
MW: 712.7 g/mol

ZX-005288

Rivaroxaban Phthalimido Descarbonyl Impurity

CAS: 446292-07-5
Formula: C₂₁H₂₁N₃O₅
MW: 395.4 g/mol

ZX-006341

Rivaroxaban Pthalamide Nitroso Impurity (S Isomer)

CAS: 3110019-54-7
Formula: C₂₁H₂₀N₄O₆
MW: 424.4 g/mol

ZX-006211

Rivaroxaban R-Isomer

CAS: 1424944-35-3
Formula: C₂₂H₁₉N₃O₆
MW: 421.4 g/mol

ZX-032250

Rivaroxaban Racemic Mixture

CAS: 482306-32-1
Formula: C₁₉H₁₈ClN₃O₅S
MW: 435.9 g/mol

ZX-032243

Rivaroxaban S-Chlorohydrin Impurity

CAS: 1252018-21-5
Formula: C₁₃H₁₇ClN₂O₃
MW: 284.74 g/mol

ZX-005289

Rivaroxaban S-Pthalamide Impurity

CAS: 1369969-44-7
Formula: C₂₁H₂₁N₃O₅
MW: 395.4 g/mol

ZX-005290

Rivaroxaban Sulfoxide

CAS: 2197189-38-9
Formula: C₁₉H₁₈ClN₃O₆S
MW: 451.9 g/mol

ZX-032261

Rivaroxaban WS

CAS: 366789-02-8
Formula: C₁₉H₁₈ClN₃O₅S
MW: 435.9 g/mol

ZX-006788

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