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Impurities & Reference Standards

API Impurities

Source 1942 api impurities for research, QC and production, documented with COA and SDS.

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COA + SDSwith every lot

Reference Standard

Cabozantinib Impurity 1 chemical structure

Cabozantinib Impurity 1

CAS: 190728-25-7
Formula: C₁₇H₁₆N₂O₃
MW: 296.32 g/mol

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Reference Standard

Cabozantinib Impurity 23 chemical structure

Cabozantinib Impurity 23

Formula: C₂₈H₂₆FN₃O₆
MW: 519.5 g/mol

VQ-004576

Reference Standard

Cabozantinib Impurity 9 chemical structure

Cabozantinib Impurity 9

CAS: 849217-48-7
Formula: C₁₁H₁₀FNO₃
MW: 223.2 g/mol

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Reference Standard

Cabozantinib Malate Impurity

Cabozantinib Malate Impurity

Formula: C₃₂H₃₀FN₃O₁₀.C₂H₇NO₂
MW: 712.68 g/mol

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Reference Standard

Cabozantinib Nitro Analog chemical structure

Cabozantinib Nitro Analog

CAS: 190728-24-6
Formula: C₁₇H₁₄N₂O₅
MW: 326.3 g/mol

VQ-021951

Reference Standard

Cabozantinib Oxalamide Dimer Impurity chemical structure

Cabozantinib Oxalamide Dimer Impurity

CAS: 2832439-31-1
Formula: C₃₆H₃₀N₄O₈
MW: 646.6 g/mol

VQ-024071

Reference Standard

Cabozantinib urea dimer chemical structure

Cabozantinib urea dimer

CAS: 2840522-81-6
Formula: C₃₅H₃₀N₄O₇
MW: 618.6 g/mol

VQ-024720

Reference Standard

Caffeic Acid Impurity 1 chemical structure

Caffeic Acid Impurity 1

CAS: 2279077-93-7
Formula: C₁₇H₁₁F₆NO₃
MW: 391.26 g/mol

VQ-036078

Reference Standard

Caffeidine Acid chemical structure

Caffeidine Acid

CAS: 54536-15-1
Formula: C₈H₁₂N₄O₃
MW: 212.21 g/mol

VQ-035085

Reference Standard

Caffeidine Nitrate Impurity chemical structure

Caffeidine Nitrate Impurity

CAS: 209725-34-8
Formula: C₇H₁₃N₅O₄
MW: 231.21 g/mol

VQ-029581

Reference Standard

Calcipotriol (Calcipotriene) beta-Isomer chemical structure

Calcipotriol (Calcipotriene) beta-Isomer

CAS: 934338-44-0
Formula: C₂₇H₄₀O₃
MW: 412.6 g/mol

VQ-021956

Reference Standard

Calcitriol Lactone chemical structure

Calcitriol Lactone

CAS: 81203-50-1
Formula: C₂₇H₄₀O₅
MW: 444.6 g/mol

VQ-021960

Reference Standard

Calcitroic Acid chemical structure

Calcitroic Acid

CAS: 71204-89-2
Formula: C₂₃H₃₄O₄
MW: 374.5 g/mol

VQ-024727

Reference Standard

Calcium Cyanamide chemical structure

Calcium Cyanamide

CAS: 156-62-7
Formula: CCaN₂
MW: 80.1 g/mol

VQ-034928

Reference Standard

CalciuM D-gluconate Monohydrate chemical structure

CalciuM D-gluconate Monohydrate

CAS: 66905-23-5
Formula: C₁₂H₂₄CaO₁₅
MW: 448.39 g/mol

VQ-029590

Reference Standard

Caldiamide chemical structure

CAS: 119895-95-3
Formula: C₁₆H₂₉N₅O₈
MW: 419.43 g/mol

VQ-036095

Reference Standard

Caloxetic acid chemical structure

CAS: 158599-72-5
Formula: C₂₃H₃₃N₃O₁₁
MW: 527.5 g/mol

VQ-037478

Reference Standard

Camellianoside chemical structure

CAS: 926664-29-1
Formula: C₃₂H₃₈O₂₀
MW: 742.6 g/mol

VQ-033708

Reference Standard

Camizestrant RR Diastereomer chemical structure

Camizestrant RR Diastereomer

CAS: 2222846-06-0
Formula: C₂₄H₂₈F₄N₆
MW: 476.5 g/mol

VQ-047669

Reference Standard

Camostat Impurity 1 (HCl Salt)

Camostat Impurity 1 (HCl Salt)

CAS: 141651-89-0
Formula: C₁₆H₁₅N₃O₄ : HCl

VQ-045400

Reference Standard

Campestanol chemical structure

CAS: 474-60-2
Formula: C₂₈H₅₀O
MW: 402.7 g/mol

VQ-027285

Reference Standard

Campesteryl Ferulate chemical structure

Campesteryl Ferulate

CAS: 20972-07-0
Formula: C₃₈H₅₆O₄
MW: 576.8 g/mol

VQ-036099

Reference Standard

Canagliflozin 2-Methylphenyl Impurity chemical structure

Canagliflozin 2-Methylphenyl Impurity

CAS: 2161394-95-0
Formula: C₂₄H₂₅FO₅S
MW: 444.5 g/mol

In stock

Reference Standard

Canagliflozin 3-Regio Isomer (Open Chain)

Canagliflozin 3-Regio Isomer (Open Chain)

Formula: C₂₄H₂₅FO₆S
MW: 460.52 g/mol

In stock

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