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Impurity Reference Standards

Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.

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N-(2-((2-Acrylamido-5-methoxy-4-((4-(1-methyl-1H-indol-3-yl)pyrimidin-2-yl)amino)phenyl)(methyl)amino)ethyl)-3-((2-((2-(dimethylamino)ethyl)(methyl)amino)-4-methoxy-5-((4-(1-methyl-1H-indol-3-yl)pyrimidin-2-yl)amino)phenyl)amino)-N,N-dimethyl-3-oxopropan-1-aminium

CAS: 2564638-97-5
Formula: C₅₆H₆₇N₁₄O₄⁺
MW: 1000.2 g/mol

ZX-025981

N-(2-(1,6-Dihydro-2H-indeno[5,4-b]furan-8-yl)ethyl)propionamide

CAS: 196597-30-5
Formula: C₁₆H₁₉NO₂
MW: 257.33 g/mol

ZX-032100

N-(2-(2-(2-Methoxy-4-morpholinophenylamino)-5-fluoropyrimidin-4-ylamino)phenyl)methanesulfonamide

CAS: 1191911-26-8
Formula: C₂₂H₂₅FN₆O₄S
MW: 488.5 g/mol

ZX-044737

N-(2-(7-Methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)ethyl)acetamide

CAS: 178677-49-1
Formula: C₁₅H₂₁NO₂
MW: 247.33 g/mol

ZX-027916

N-(2-(Dimethylamino)ethyl)-N-Methylnitrous Amide

CAS: 23834-30-2
Formula: C₅H₁₃N₃O
MW: 131.18 g/mol

ZX-006111

N-(2-(Methylthio)ethyl)-2-((3,3,3-trifluoropropyl)thio)-9H-purin-6-amine

CAS: 1830294-25-1
Formula: C₁₁H₁₄F₃N₅S₂
MW: 337.4 g/mol

ZX-020113

N-(2-Amino-2-oxoethyl)-2,5-dichlorobenzamide

CAS: 1378314-08-9
Formula: C₉H₈Cl₂N₂O₂
MW: 247.07 g/mol

ZX-025221

N-(2-Amino-2-oxoethyl)benzamide

CAS: 5813-81-0
Formula: C₉H₁₀N₂O₂
MW: 178.19 g/mol

ZX-029808

N-(2-Amino-4,5,6,7-tetrahydro-1,3-benzothiazol-6-yl)acetamide

CAS: 104617-51-8
Formula: C₉H₁₃N₃OS
MW: 211.29 g/mol

ZX-031941

N-(2-Aminoethyl)-1,2,3,4-Tetrahydronaphthalene-1-Carboxamide

CAS: 84460-89-9
Formula: C₁₃H₁₈N₂O
MW: 218.29 g/mol

ZX-027208

N-(2-Aminoethyl)-2-[phenyl(phenylmethyl)amino]acetamide

CAS: 26953-37-7
Formula: C₁₇H₂₁N₃O
MW: 283.37 g/mol

ZX-019866

N-(2-Aminoethyl)-N'-(5-bromo-6-quinoxalinyl)thiourea

CAS: 134892-47-0
Formula: C₁₁H₁₂BrN₅S
MW: 326.22 g/mol

ZX-020918

N-(2-Aminoethyl)glycine

CAS: 24123-14-6
Formula: C₄H₁₀N₂O₂
MW: 118.13 g/mol

ZX-043667

N-(2-Aminoethyl)morpholine-4-carboxamide Hydrochloride

CAS: 88017-03-2
Formula: C₇H₁₆ClN₃O₂
MW: 209.67 g/mol

ZX-033677

N-(2-Aminophenyl)-N-methyl-2-(4-methylpiperazin-1-yl)acetamide

CAS: 2117628-65-4
Formula: C₁₄H₂₂N₄O
MW: 262.35 g/mol

ZX-030866

N-(2-Chloro-4-methylpyridin-3-yl)-2-(cyclopropylamino)nicotinamide

CAS: 133627-47-1
Formula: C₁₅H₁₅ClN₄O
MW: 302.76 g/mol

ZX-030807

N-(2-Chloro-4-nitrophenyl)-2-hydroxybenzamide

CAS: 32853-24-0
Formula: C₁₃H₉ClN₂O₄
MW: 292.67 g/mol

ZX-025813

N-(2-Chloro-6-methylphenyl)-2-((2-methyl-6-(piperazin-1-yl)pyrimidin-4-yl)amino)thiazole-5-carboxamide hydrochloride

CAS: 1852573-26-2
Formula: C₂₀H₂₃Cl₂N₇OS
MW: 480.4 g/mol

ZX-028877

N-(2-Chloroethyl)-N-ethylnitrous amide

CAS: 89166-19-8
Formula: C₄H₉ClN₂O
MW: 136.58 g/mol

ZX-031581

N-(2-Chloroethyl)-N-Methylnitrous Amide

CAS: 16339-16-5
Formula: C₃H₇ClN₂O
MW: 122.55 g/mol

ZX-006112

N-(2-Chloroethyl)-piperidine hydrochloride

CAS: 2008-75-5
Formula: C₇H₁₅Cl₂N
MW: 184.1 g/mol

ZX-031425

N-(2-Cyanoethyl)-4-nitrobenzamide

CAS: 1141-61-3
Formula: C₁₀H₉N₃O₃
MW: 219.2 g/mol

ZX-026200

N-(2-Hydroxy-3-butenyl)phthalimide

CAS: 1855-22-7
Formula: C₁₂H₁₁NO₃
MW: 217.22 g/mol

ZX-046031

N-(2-Hydroxy-4-nitrophenyl)methanesulfonamide

CAS: 38880-53-4
Formula: C₇H₈N₂O₅S
MW: 232.22 g/mol

ZX-025838

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