CAS Number: 1239233-86-3

Alternate CAS#:

Chemical Name: Febuxostat Impurity 4

Molecular Formula: C16H18N2O4S

Molecular Weight: 334.39

CAS Number: 161797-99-5

Alternate CAS#:

Chemical Name: Febuxostat Impurity 39

Molecular Formula: C13H13NO3S

Molecular Weight: 263.31

CAS Number: N/A

Alternate CAS#:

Chemical Name: Febuxostat Impurity 38

Molecular Formula: C14H12N2O3S

Molecular Weight: 288.32

CAS Number: N/A

Alternate CAS#:

Chemical Name: Febuxostat Impurity 37

Molecular Formula: C14H14N2O4S

Molecular Weight: 306.34

CAS Number: N/A

Alternate CAS#:

Chemical Name: Febuxostat Impurity 36

Molecular Formula: C21H20N2O6S2

Molecular Weight: 460.52

CAS Number: 1312815-35-2

Alternate CAS#:

Chemical Name: Febuxostat Impurity 35

Molecular Formula: C12H9NO4S

Molecular Weight: 263.27

CAS Number: 1206550-99-3

Alternate CAS#:

Chemical Name: Febuxostat Impurity 34

Molecular Formula: C15H17NO3S

Molecular Weight: 291.37

CAS Number: 144060-97-9

Alternate CAS#:

Chemical Name: Febuxostat Impurity 33

Molecular Formula: C17H21NO3S

Molecular Weight: 319.42

CAS Number: 1267681-15-1 (free base)

Alternate CAS#:

Chemical Name: Febuxostat Impurity 32 HCl

Molecular Formula: C12H11NO3S. HCl

Molecular Weight: 249.29 36.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Febuxostat Impurity 31

Molecular Formula: C18H22N4O4

Molecular Weight: 358.4

CAS Number: 34133-58-9

Alternate CAS#:

Chemical Name: Febuxostat Impurity 30

Molecular Formula: C8H4N2O

Molecular Weight: 144.13

CAS Number: 160844-75-7

Alternate CAS#:

Chemical Name: Febuxostat Impurity 3

Molecular Formula: C18H20N2O3S

Molecular Weight: 344.43