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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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Reference Standard

Alogliptin Benzoate Dimer Impurity

Alogliptin Benzoate Dimer Impurity

CAS: 2989131-28-2
Formula: C₃₁H₃₀N₈O₄
MW: 578.62 g/mol

In stock

Reference Standard

Alogliptin Impurity chemical structure

Alogliptin Impurity

CAS: 4318-56-3
Formula: C₅H₅ClN₂O₂
MW: 160.56 g/mol

In stock

Reference Standard

Alogliptin impurity chemical structure

Alogliptin impurity

CAS: 2514763-78-9
Formula: C₁₄H₁₃N₃O₃
MW: 271.27 g/mol

VQ-021507

Reference Standard

Alogliptin Impurity 43 chemical structure

Alogliptin Impurity 43

CAS: 2716884-59-0
Formula: C₂₁H₁₅ClN₄O₂
MW: 390.8 g/mol

VQ-045393

Reference Standard

Alogliptin Impurity 59

Alogliptin Impurity 59

CAS: 1949773-39-0
Formula: C₁₈H₂₁N₅O₃
MW: 355.39 g/mol

VQ-004360

Reference Standard

Alogliptin impurity A chemical structure

Alogliptin impurity A

CAS: 865758-95-8
Formula: C₁₂H₈ClN₃O₂
MW: 261.66 g/mol

VQ-020769

Reference Standard

Alogliptin Impurity E

Alogliptin Impurity E

CAS: 1638544-56-5
Formula: C₂₇H₂₅N₅O₄
MW: 483.52 g/mol

VQ-024208

Reference Standard

Alogliptin impurity F chemical structure

Alogliptin impurity F

CAS: 1638544-55-4
Formula: C₂₇H₂₄N₄O₄
MW: 468.5 g/mol

VQ-028940

Reference Standard

Alogliptin N-Benzoyl impurity chemical structure

Alogliptin N-Benzoyl impurity

CAS: 2749281-73-8
Formula: C₂₅H₂₅N₅O₃
MW: 443.5 g/mol

VQ-021506

Reference Standard

Alogliptin N-Methyl Dihydropyrimidinyl Benzonitrile

Alogliptin N-Methyl Dihydropyrimidinyl Benzonitrile

CAS: 2749428-42-8
Formula: C₁₃H₁₀ClN₃O₂
MW: 275.7 g/mol

VQ-044968

Reference Standard

Alogliptin Related Compound 29 chemical structure

Alogliptin Related Compound 29

CAS: 1246610-74-1
Formula: C₂₃H₂₉N₅O₄
MW: 439.5 g/mol

VQ-021510

Reference Standard

Alogliptin-1-oxo-1-de(piperidin-3-amine) chemical structure

Alogliptin-1-oxo-1-de(piperidin-3-amine)

CAS: 1246610-72-9
Formula: C₁₃H₁₁N₃O₃
MW: 257.24 g/mol

VQ-020770

Reference Standard

Aloin A chemical structure

CAS: 1415-73-2
Formula: C₂₁H₂₂O₉
MW: 418.4 g/mol

VQ-032749

Reference Standard

Alosetron Impurity D

Alosetron Impurity D

CAS: 2518312-31-5
Formula: C₁₃H₁₄N₂O
MW: 214.3 g/mol

VQ-045280

Reference Standard

Alpelisib RC 5 chemical structure

CAS: 7336-51-8
Formula: C₆H₈N₂OS
MW: 156.21 g/mol

VQ-043558

Reference Standard

Alpha Lipoic acid Methyl ester chemical structure

Alpha Lipoic acid Methyl ester

CAS: 46236-19-5
Formula: C₉H₁₆O₂S₂
MW: 220.4 g/mol

VQ-031594

Reference Standard

alpha-Arbutin chemical structure

CAS: 84380-01-8
Formula: C₁₂H₁₆O₇
MW: 272.25 g/mol

VQ-027239

Reference Standard

Alpha-Artemether chemical structure

Alpha-Artemether

CAS: 71939-51-0
Formula: C₁₆H₂₆O₅
MW: 298.37 g/mol

VQ-020832

Reference Standard

alpha-beta-Arteether chemical structure

alpha-beta-Arteether

CAS: 123492-25-1
Formula: C₃₄H₅₆O₁₀
MW: 624.8 g/mol

VQ-032490

Reference Standard

Alpha-Beta-Diglycerol chemical structure

Alpha-Beta-Diglycerol

CAS: 3986-15-0
Formula: C₆H₁₄O₅
MW: 166.17 g/mol

VQ-040832

Reference Standard

alpha-Boswellic acid chemical structure

alpha-Boswellic acid

CAS: 471-66-9
Formula: C₃₀H₄₈O₃
MW: 456.7 g/mol

VQ-032766

Reference Standard

Alpha-Cholestane chemical structure

Alpha-Cholestane

CAS: 481-21-0
Formula: C₂₇H₄₈
MW: 372.7 g/mol

VQ-043354

Reference Standard

Alpha-Clofarabine chemical structure

Alpha-Clofarabine

CAS: 491594-60-6
Formula: C₁₀H₁₁ClFN₅O₃
MW: 303.68 g/mol

VQ-022229

Reference Standard

Alpha-Cypermethrin chemical structure

Alpha-Cypermethrin

CAS: 67375-30-8
Formula: C₂₂H₁₉Cl₂NO₃
MW: 416.3 g/mol

VQ-032438

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