Impurity-1

CAS No: 1256584-73-2
Chemical Name:
2-(4-ethyl-3-iodophenyl)-2-methylpropanoic acid
Molecular Formula:
C12H15IO2

Impurity-2

CAS No: NA
Chemical Name:
methyl 2-(4-ethyl-3-iodophenyl)-2-methylpropanoate
Molecular Formula:
C13H17IO2

Impurity-3

CAS No: NA
Chemical Name:
ethyl 2-(4-ethyl-3-iodophenyl)-2-methylpropanoate
Molecular Formula:
C14H19IO2

Impurity-4

CAS No: NA
Chemical Name:
tert-butyl 4-(4-ethyl-3-iodophenyl)-4-methyl-3-oxopentanoate
Molecular Formula:
C18H25IO3

Des-Iodo impurity

CAS No: NA
Chemical Name:
tert-butyl 6-cyano-2-(2-(4-ethylphenyl)propan-2-yl)-1H-indole-3-carboxylate Chemical Formula: C25H28N2O2
Molecular Formula:
C25H28N2O2

M4 metabolite

CAS No: 1256585-04-2
Chemical Name:
9-ethyl-8-(4-(2-hydroxyethylamino)piperidin-1-yl)-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile
Molecular Formula:
C28H32N4O2

M1b metabolite

CAS No: NA
Chemical Name:
2-((1-(3-cyano-9-ethyl-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazol-8-yl)piperidin-4-yl)(2-hydroxyethyl)amino)acetic acid
Molecular Formula:
C30H34N4O4

Acid impurity-1

CAS No: NA
Chemical Name:
9-ethyl-6,6-dimethyl-8-(4-morpholinopiperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carboxylic acid
Molecular Formula:
C30H35N3O4

Nitro impurity

CAS No:
Chemical Name:
tert-butyl 2-(4-cyano-2-nitrophenyl)-4-(4-ethyl-3-iodophenyl)-4-methyl-3-oxopentanoate
Molecular Formula:
C25H27IN2O5

Decarboxylate Impurity/Impurity D

CAS No: 1820882-01-6
Chemical Name:
2-(2-(4-ethyl-3-(4-morpholinopiperidin-1-yl)phenyl)propan-2-yl)-1H-indole-6-carbonitrile
Molecular Formula:
C29H36N4O

Alectinib Impurity E/Isomer

CAS No: 1256584-79-8
Chemical Name:
9-ethyl-6,6-dimethyl-10-(4-morpholinopiperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile
Molecular Formula:
C30H34N4O2

Methyl ester

CAS No: NA
Chemical Name:
methyl 6-cyano-2-(2-(4-ethyl-3-(4-morpholinopiperidin-1-yl)phenyl)propan-2-yl)-1H-indole-3-carboxylate
Molecular Formula:
C31H38N4O3

Tert-Butyl ester

CAS No: 1256584-77-6
Chemical Name:
tert-butyl 6-cyano-2-(2-(4-ethyl-3-(4-morpholinopiperidin-1-yl)phenyl)propan-2-yl)-1H-indole-3-carboxylate hydrochloride
Molecular Formula:
C34H45ClN4O3

Iodo impurity

CAS No: 256585-29-1
Chemical Name:
tert-butyl 6-cyano-2-(2-(4-ethyl-3-iodophenyl)propan-2-yl)-1H-indole-3-carboxylate
Molecular Formula:
C25H27IN2O2

Acid impurity/Impurity A

CAS No: 1256584-78-7
Chemical Name:
6-cyano-2-(2-(4-ethyl-3-(4-morpholinopiperidin-1-yl)phenyl)propan-2-yl)-1H-indole-3-carboxylic acid
Molecular Formula:
C30H36N4O3

N-Oxide/Impurity B

CAS No: 1256585-28-0
Chemical Name:
4-(1-(3-cyano-9-ethyl-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazol-8-yl)piperidin-4-yl)morpholine 4-oxide
Molecular Formula:
C30H34N4O3

Amide impurity/Impurity C

CAS No: NA
Chemical Name:
9-ethyl-6,6-dimethyl-8-(4-morpholinopiperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carboxamide
Molecular Formula:
C30H36N4O3

API reference standared

CAS No: 1256580-46-7 freebase 1256589-74-8 HCl
Chemical Name:
9-ethyl-6,6-dimethyl-8-(4-morpholinopiperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile hydrochloride
Molecular Formula:
C30H35ClN4O2