Impurity-5

CAS No:  2817629-89-1
Chemical Name:
4-(4-amino-3-fluorophenoxy)picolinic acid
Molecular Formula:
C12H9FN2O3

Impurity-3

CAS No: 320-51-4
Chemical Name:
4-chloro-3-(trifluoromethyl)aniline
Molecular Formula:
C7H5ClF3N

Impurity-4

CAS No:  5470-22-4
Chemical Name:
4-chloropicolinic acid
Molecular Formula:
C6H4ClNO2

Impurity-5

CAS No: 24484-93-3
Chemical Name:
methyl 4-chloropicolinate
Molecular Formula:
C7H6ClNO2

Impurity-6

CAS No: 99586-65-9
Chemical Name:
4-chloropicolinamide
Molecular Formula:
C6H5ClN2O

Impurity-7

CAS No:  864245-61-4
Chemical Name:
Methyl 4-(4-amino-3-fluorophenoxy)pyridine-2-carboxylate
Molecular Formula:
C13H11FN2O3

Deschlororo Impurity

CAS No: 2188236-16-8
Chemical Name:
4-(3-fluoro-4-(3-(3-(trifluoromethyl)phenyl)ureido)phenoxy)-N-methylpicolinamide
Molecular Formula:
C21H16F4N4O3

Sorafenib

CAS No: 284461-73-0
Chemical Name:
4-(4-(3-(4-chloro-3-(trifluoromethyl)phenyl)ureido)phenoxy)-N-methylpicolinamide
Molecular Formula:
C21H16ClF3N4O3

EP FPA

CAS No: 2514957-39-0
Chemical Name:
ethyl 4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenylcarbamate
Molecular Formula:
C16H17N3O4

Impurity-1

CAS No: 220000-87-3
Chemical Name:
4-chloro-N-methylpicolinamide
Molecular Formula:
C7H7ClN2O

Impurity-2

CAS No: 399-95-1
Chemical Name:
4-amino-3-fluorophenol
Molecular Formula:
C6H6FNO

EP impurity E

CAS No: 2098799-13-2
Chemical Name:
4-(4-(3-(4-chloro-3-(trifluoromethyl)phenyl)ureido)-3-(4-(3-(4-chloro-3-(trifluoromethyl)phenyl)ureido)-3-fluorophenoxy)phenoxy)-N-methylpicolinamide
Molecular Formula:
C35H23Cl2F7N6O5

N-Oxide

CAS No: 835621-11-9
Chemical Name:
4-(4-(3-(4-chloro-3-(trifluoromethyl)phenyl)ureido)-3-fluorophenoxy)-2-(methylcarbamoyl)pyridine 1-oxide
Molecular Formula:
C21H15ClF4N4O4

N-desmethyl impurity

CAS No: 1343498-72-5
Chemical Name:
4-(4-(3-(4-chloro-3-(trifluoromethyl)phenyl)ureido)-3-fluorophenoxy)picolinamide
Molecular Formula:
C20H13ClF4N4O3

Acid impurity

CAS No: 1187945-05-6
Chemical Name:
4-(4-(3-(4-Chloro-3-(trifluoromethyl)phenyl)ureido)-3-fluorophenoxy)picolinic Acid
Molecular Formula:
C20H12ClF4N3O4

Methylester impurity

CAS No: NA
Chemical Name:
methyl 4-(4-(3-(4-chloro-3-(trifluoromethyl)phenyl)ureido)-3-fluorophenoxy)picolinate
Molecular Formula:
C21H14ClF4N3O4

EP impurity C

CAS No: 1855006-12-0
Chemical Name:
4-[3-fluoro-4-[[2-(methylcarbamoyl)pyridin-4-yl]amino]phenoxy]-N-methylpyridine-2-carboxamide
Molecular Formula:
C20H18FN5O3

EP impurity D

CAS No: 2438857-80-6
Chemical Name:
4,4'-(4,4'-carbonylbis(azanediyl)bis(3-fluoro-4,1-phenylene))bis(oxy)bis(N-methylpicolinamide)
Molecular Formula:
C27H22F2N6O5

Reference standared

CAS No: 755037-03-7/835621-07-3 (HCl salt)
Chemical Name:
4-(4-(3-(4-chloro-3-(trifluoromethyl)phenyl)ureido)-3-fluorophenoxy)-N-methylpicolinamide
Molecular Formula:
C21H15ClF4N4O3

EP impurity A

CAS No: 757251-39-1
Chemical Name:
4-(4-amino-3-fluorophenoxy)-N-methylpyridine-2-carboxamide
Molecular Formula:
C13H12FN3O2

EP impurity B

CAS No: 2141961-84-2
Chemical Name:
4-(4-acetamido-3-fluorophenoxy)-N-methylpyridine-2-carboxamide
Molecular Formula:
C15H14FN3O3