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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

Canagliflozin Monoacetyl Impurity chemical structure

Canagliflozin Monoacetyl Impurity

CAS: 2146135-87-5
Formula: C₂₆H₂₇FO₆S
MW: 486.6 g/mol

VQ-021964

Reference Standard

Canagliflozin Monomethoxy Impurity chemical structure

Canagliflozin Monomethoxy Impurity

CAS: 1030825-21-8
Formula: C₂₅H₂₇FO₆S
MW: 474.5 g/mol

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Reference Standard

Canagliflozin Propionyl Impurity chemical structure

Canagliflozin Propionyl Impurity

CAS: 1985644-93-6
Formula: C₃₆H₄₁FO₉S
MW: 668.8 g/mol

VQ-045071

Reference Standard

Candesartan Acid Methoxy Analog chemical structure

Candesartan Acid Methoxy Analog

CAS: 139481-76-8
Formula: C₂₃H₁₈N₆O₃
MW: 426.4 g/mol

VQ-029609

Reference Standard

Candesartan Benzimidazole Methoxy Methyl Ester chemical structure

Candesartan Benzimidazole Methoxy Methyl Ester

CAS: 1246817-06-0
Formula: C₁₀H₁₀N₂O₃
MW: 206.2 g/mol

VQ-024746

Reference Standard

Candesartan cilexetil chemical structure

Candesartan cilexetil

CAS: 145040-37-5
Formula: C₃₃H₃₄N₆O₆
MW: 610.7 g/mol

VQ-021968

Reference Standard

Candesartan Cilexetil Methoxy Analog chemical structure

Candesartan Cilexetil Methoxy Analog

CAS: 1026042-12-5
Formula: C₃₂H₃₂N₆O₆
MW: 596.6 g/mol

VQ-024744

Reference Standard

Candesartan Cilexetil N2-Trityl Methoxy Analog chemical structure

Candesartan Cilexetil N2-Trityl Methoxy Analog

CAS: 1797867-82-3
Formula: C₅₁H₄₆N₆O₆
MW: 838.9 g/mol

VQ-024747

Reference Standard

Candesartan Ethyl Ester N1-Cilexetil Analog chemical structure

Candesartan Ethyl Ester N1-Cilexetil Analog

CAS: 1391054-45-7
Formula: C₃₅H₃₈N₆O₆
MW: 638.7 g/mol

VQ-029606

Reference Standard

Candesartan Ethyl Ester N2-Trityl Analog chemical structure

Candesartan Ethyl Ester N2-Trityl Analog

CAS: 1797985-81-9
Formula: C₄₅H₃₈N₆O₃
MW: 710.8 g/mol

VQ-035019

Reference Standard

Candesartan Impurity 4 chemical structure

Candesartan Impurity 4

CAS: 139481-38-2
Formula: C₂₇H₂₅N₃O₆
MW: 487.5 g/mol

VQ-029604

Reference Standard

Candesartan Methyl Ester Methoxy Analog chemical structure

Candesartan Methyl Ester Methoxy Analog

CAS: 139481-75-7
Formula: C₂₄H₂₀N₆O₃
MW: 440.5 g/mol

VQ-029610

Reference Standard

Candesartan N1-Ethyl Impurity chemical structure

Candesartan N1-Ethyl Impurity

CAS: 1246817-38-8
Formula: C₂₆H₂₄N₆O₃
MW: 468.5 g/mol

VQ-024748

Reference Standard

Candesartan N2-Ethyl Impurity chemical structure

Candesartan N2-Ethyl Impurity

CAS: 1246819-02-2
Formula: C₂₆H₂₄N₆O₃
MW: 468.5 g/mol

VQ-024742

Reference Standard

Candesartan N2-Trityl Impurity chemical structure

Candesartan N2-Trityl Impurity

CAS: 894806-43-0
Formula: C₄₃H₃₄N₆O₃
MW: 682.8 g/mol

VQ-036114

Reference Standard

Candicidin chemical structure

CAS: 1403-17-4
Formula: C₅₉H₈₄N₂O₁₈
MW: 1109.3 g/mol

VQ-045244

Reference Standard

Cangrelor Impurity A chemical structure

Cangrelor Impurity A

CAS: 847460-53-1
Formula: C₁₆H₂₃F₃N₅O₇PS₂
MW: 549.5 g/mol

VQ-021055

Reference Standard

Cangrelor Tetrasodium chemical structure

Cangrelor Tetrasodium

CAS: 163706-36-3
Formula: C₁₇H₂₁Cl₂F₃N₅Na₄O₁₂P₃S₂
MW: 864.3 g/mol

VQ-024749

Reference Standard

Cannabidiol C4 chemical structure

CAS: 60113-11-3
Formula: C₂₀H₂₈O₂
MW: 300.4 g/mol

VQ-044906

Reference Standard

Cannabidiol hydroxyquinone chemical structure

Cannabidiol hydroxyquinone

CAS: 137252-25-6
Formula: C₂₁H₂₈O₃
MW: 328.4 g/mol

VQ-044905

Reference Standard

Cannabidiol Impurity 18

Cannabidiol Impurity 18

CAS: 3035459-00-5
Formula: C₁₄H₂₁NaO₄
MW: 276.3 g/mol

VQ-047678

Reference Standard

Cannabidiolic acid chemical structure

Cannabidiolic acid

CAS: 1244-58-2
Formula: C₂₂H₃₀O₄
MW: 358.5 g/mol

VQ-029616

Reference Standard

Cannabidivarin chemical structure

CAS: 24274-48-4
Formula: C₁₉H₂₆O₂
MW: 286.4 g/mol

VQ-029620

Reference Standard

Cannabigerolic Acid chemical structure

Cannabigerolic Acid

CAS: 25555-57-1
Formula: C₂₂H₃₂O₄
MW: 360.5 g/mol

VQ-036126

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