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Impurities & Reference Standards

Metabolites & Degradation Products

Source 200 metabolites & degradation products for research, QC and production, documented with COA and SDS.

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158in stock

COA + SDSwith every lot

Reference Standard

Risperidone N-Oxide chemical structure

Risperidone N-Oxide

CAS: 832747-55-4
Formula: C₂₃H₂₇FN₄O₃
MW: 426.5 g/mol

In stock

Reference Standard

Risperidone Trans N-Oxide chemical structure

Risperidone Trans N-Oxide

CAS: 1200448-51-6
Formula: C₂₃H₂₇FN₄O₄
MW: 442.5 g/mol

VQ-045383

Reference Standard

Ritonavir Hydroxy impurity chemical structure

Ritonavir Hydroxy impurity

CAS: 2519851-81-9
Formula: C₁₄H₂₃N₃O₄S
MW: 329.42 g/mol

VQ-033585

Reference Standard

Ritonavir Impurity A RRT 5.78 chemical structure

Ritonavir Impurity A RRT 5.78

CAS: 959351-57-6
Formula: C₃₁H₄₁N₅O₅S
MW: 595.8 g/mol

VQ-033583

Reference Standard

Rivaroxaban 3-Hydroxy Metabolite chemical structure

Rivaroxaban 3-Hydroxy Metabolite

CAS: 1159977-46-4
Formula: C₁₉H₁₈ClN₃O₆S
MW: 451.9 g/mol

VQ-041966

Reference Standard

Rivaroxaban 4-Hydroxy Metabolite chemical structure

Rivaroxaban 4-Hydroxy Metabolite

CAS: 1161719-51-2
Formula: C₁₉H₁₈ClN₃O₆S
MW: 451.9 g/mol

VQ-041967

Reference Standard

Rivaroxaban Descarbonyl Impurity chemical structure

Rivaroxaban Descarbonyl Impurity

CAS: 721401-53-2
Formula: C₁₈H₂₀ClN₃O₄S
MW: 409.9 g/mol

In stock

Reference Standard

Rivaroxaban Diol chemical structure

Rivaroxaban Diol

CAS: 1160170-00-2
Formula: C₁₉H₂₀ClN₃O₆S
MW: 453.9 g/mol

VQ-021332

Reference Standard

Rivaroxaban impurity chemical structure

Rivaroxaban impurity

CAS: 148857-42-5
Formula: C₁₁H₁₀ClNO₃
MW: 239.65 g/mol

VQ-023393

Reference Standard

Rivaroxaban Impurity C chemical structure

Rivaroxaban Impurity C

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

VQ-027847

Reference Standard

Rivaroxaban Isoindolinedione Dimer chemical structure

Rivaroxaban Isoindolinedione Dimer

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

VQ-027855

Reference Standard

Rivaroxaban Open Ring S-isomer (USP) chemical structure

Rivaroxaban Open Ring S-isomer (USP)

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

VQ-033616

Reference Standard

Rivaroxaban Phthalimido Descarbonyl Impurity chemical structure

Rivaroxaban Phthalimido Descarbonyl Impurity

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

In stock

Reference Standard

Rivaroxaban Sulfoxide chemical structure

Rivaroxaban Sulfoxide

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

VQ-033615

Reference Standard

Rivastigmine Impurity 1 chemical structure

Rivastigmine Impurity 1

CAS: 1369779-38-3
Formula: C₁₀H₁₅NO₂
MW: 181.23 g/mol

VQ-044395

Reference Standard

Rivastigmine N-Oxide (Technical Grade) chemical structure

Rivastigmine N-Oxide (Technical Grade)

CAS: 1369779-37-2
Formula: C₁₄H₂₂N₂O₃
MW: 266.34 g/mol

VQ-023668

Reference Standard

Roflumilast N-oxide chemical structure

Roflumilast N-oxide

CAS: 292135-78-5
Formula: C₁₇H₁₄Cl₂F₂N₂O₄
MW: 419.2 g/mol

VQ-023671

Reference Standard

Ropinirole N-Oxide chemical structure

Ropinirole N-Oxide

CAS: 1076199-41-1
Formula: C₁₆H₂₄N₂O₂
MW: 276.37 g/mol

VQ-027886

Reference Standard

Ropivacaine N-Oxide chemical structure

Ropivacaine N-Oxide

CAS: 1391053-59-0
Formula: C₁₇H₂₆N₂O₂
MW: 290.4 g/mol

VQ-033650

Reference Standard

Rosuvastatin 3-Oxo Acid

Rosuvastatin 3-Oxo Acid

CAS: 1803023-43-9
Formula: C₂₂H₂₆FN₃O₆S
MW: 479.52 g/mol

VQ-042017

Reference Standard

Rosuvastatin Acyl-beta-D-Glucuronide chemical structure

Rosuvastatin Acyl-beta-D-Glucuronide

CAS: 503610-44-4
Formula: C₂₈H₃₆FN₃O₁₂S
MW: 657.7 g/mol

VQ-043714

Reference Standard

Rosuvastatin Hydroxymethyl Impurity chemical structure

Rosuvastatin Hydroxymethyl Impurity

CAS: 147118-36-3
Formula: C₁₆H₂₀FN₃O₃S
MW: 353.4 g/mol

VQ-033655

Reference Standard

Rosuvastatin Impurity 15 chemical structure

Rosuvastatin Impurity 15

CAS: 587855-03-6
Formula: C₆H₉ClO₄
MW: 180.58 g/mol

VQ-042009

Reference Standard

Rosuvastatin N-Desmethyl Impurity chemical structure

Rosuvastatin N-Desmethyl Impurity

CAS: 2253796-97-1
Formula: C₄₂H₅₀CaF₂N₆O₁₂S₂
MW: 973.1 g/mol

VQ-033676

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