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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

Bosutinib Chloro Impurity chemical structure

Bosutinib Chloro Impurity

CAS: 492444-39-0
Formula: C₁₉H₂₃ClN₄O₂
MW: 374.9 g/mol

VQ-024625

Reference Standard

Bosutinib Des NMP Impurity chemical structure

Bosutinib Des NMP Impurity

CAS: 2095306-25-3
Formula: C₂₁H₁₉Cl₂N₃O₃
MW: 432.3 g/mol

VQ-024627

Reference Standard

Bosutinib Impurity-IV chemical structure

Bosutinib Impurity-IV

CAS: 2095306-27-5
Formula: C₃₉H₃₀Cl₄N₆O₆
MW: 820.5 g/mol

VQ-029488

Reference Standard

Bosutinib Impurity-V chemical structure

Bosutinib Impurity-V

CAS: 2095306-26-4
Formula: C₄₆H₄₄Cl₄N₈O₆
MW: 946.7 g/mol

VQ-024628

Reference Standard

Bosutinib Isomer chemical structure

Bosutinib Isomer

CAS: 1391063-17-4
Formula: C₂₆H₂₉Cl₂N₅O₃
MW: 530.4 g/mol

VQ-020978

Reference Standard

Brexpiprazole (3,4)-Dihydro-2(1H)-quinolinone chemical structure

Brexpiprazole (3,4)-Dihydro-2(1H)-quinolinone

CAS: 913612-07-4
Formula: C₂₅H₂₉N₃O₂S
MW: 435.6 g/mol

VQ-024633

Reference Standard

Brexpiprazole 5-1H-Quinolin-2-one chemical structure

Brexpiprazole 5-1H-Quinolin-2-one

CAS: 2116542-20-0
Formula: C₂₅H₂₇N₃O₂S
MW: 433.6 g/mol

VQ-024632

Reference Standard

Brexpiprazole Cyclic Dimer chemical structure

Brexpiprazole Cyclic Dimer

CAS: 2190474-85-0
Formula: C₅₀H₅₄N₆O₄S₂
MW: 867.1 g/mol

VQ-029501

Reference Standard

Brexpiprazole Dequinolinonyl Hydrochloride Impurity

Brexpiprazole Dequinolinonyl Hydrochloride Impurity

CAS: 2411174-74-6
Formula: C₁₆H₂₂N₂OS.ClH
MW: 326.89 g/mol

VQ-004547

Reference Standard

Brexpiprazole Dequinolinonyl Impurity chemical structure

Brexpiprazole Dequinolinonyl Impurity

CAS: 913614-15-0
Formula: C₁₆H₂₂N₂OS
MW: 290.4 g/mol

In stock

Reference Standard

Brexpiprazole Impurity 1 chemical structure

Brexpiprazole Impurity 1

CAS: 1420987-86-5
Formula: C₂₀H₁₈N₂S₂
MW: 350.5 g/mol

In stock

Reference Standard

Brexpiprazole Impurity 16 chemical structure

Brexpiprazole Impurity 16

CAS: 2116542-22-2
Formula: C₁₃H₁₄ClNO₂
MW: 251.71 g/mol

VQ-021874

Reference Standard

Brexpiprazole Impurity 16

Brexpiprazole Impurity 16

CAS: 2247155-49-1
Formula: C₃₈H₄₀N₄O₄S
MW: 648.8 g/mol

VQ-047619

Reference Standard

Brexpiprazole Impurity 18 chemical structure

Brexpiprazole Impurity 18

CAS: 66490-33-3
Formula: C₈H₅ClS
MW: 168.64 g/mol

VQ-029500

Reference Standard

Brexpiprazole Impurity 23 chemical structure

Brexpiprazole Impurity 23

CAS: 1849603-58-2
Formula: C₁₇H₂₃N₃O₂
MW: 301.4 g/mol

VQ-004550

Reference Standard

Brexpiprazole Impurity 23(Hydrochloride)

Brexpiprazole Impurity 23(Hydrochloride)

CAS: 1849603-59-3
Formula: C₁₇H₂₃N₃O_2.2ClH
MW: 374.31 g/mol

In stock

Reference Standard

Brexpiprazole Impurity 46 chemical structure

Brexpiprazole Impurity 46

CAS: 2454317-17-8
Formula: C₃₈H₄₁ClN₄O₄S
MW: 685.3 g/mol

VQ-024639

Reference Standard

Brexpiprazole Impurity 52 chemical structure

Brexpiprazole Impurity 52

CAS: 2137823-20-0
Formula: C₄₁H₄₇N₅O₂S₂
MW: 706 g/mol

VQ-024640

Reference Standard

Brexpiprazole Impurity 60 chemical structure

Brexpiprazole Impurity 60

CAS: 2081876-02-8
Formula: C₂₂H₃₁N₃O₄
MW: 401.5 g/mol

VQ-047617

Reference Standard

Brexpiprazole Impurity 74 chemical structure

Brexpiprazole Impurity 74

CAS: 2091105-80-3
Formula: C₂₆H₂₉N₃O₂S
MW: 447.6 g/mol

VQ-044562

Reference Standard

Brexpiprazole N-Substituted Impurity chemical structure

Brexpiprazole N-Substituted Impurity

CAS: 2454317-19-0
Formula: C₃₈H₄₁IN₄O₄S
MW: 776.7 g/mol

VQ-028960

Reference Standard

Brigatinib 5-Methyl impurity chemical structure

Brigatinib 5-Methyl impurity

CAS: 1197961-02-6
Formula: C₃₀H₄₁ClN₇O₂P
MW: 598.1 g/mol

VQ-024641

Reference Standard

Brigatinib O-Ethyl impurity chemical structure

Brigatinib O-Ethyl impurity

CAS: 1197960-18-1
Formula: C₃₀H₄₁ClN₇O₂P
MW: 598.1 g/mol

VQ-024643

Reference Standard

Brigatinib RC 1 (Base) chemical structure

Brigatinib RC 1 (Base)

CAS: 53617-36-0
Formula: C₁₀H₂₁N₃
MW: 183.29 g/mol

VQ-032958

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