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

CAS Number: N/A

Alternate CAS#:

Chemical Name: Febuxostat Impurity 28

Molecular Formula: C19H22N2O3S

Molecular Weight: 358.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Febuxostat Impurity 27

Molecular Formula: C14H18O

Molecular Weight: 202.3

CAS Number: 1239233-87-4

Alternate CAS#:

Chemical Name: Febuxostat Impurity 26 (2-(3-carboxy-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid)

Molecular Formula: C16H17NO5S

Molecular Weight: 335.37

CAS Number: 2095166-41-7

Alternate CAS#:

Chemical Name: Febuxostat Impurity 25

Molecular Formula: C18H21NO5S

Molecular Weight: 363.43

CAS Number: N/A

Alternate CAS#:

Chemical Name: Febuxostat Impurity 24

Molecular Formula: C18H21NO5S

Molecular Weight: 363.43

CAS Number: N/A

Alternate CAS#:

Chemical Name: Febuxostat Impurity 23

Molecular Formula: C15H13NO5S

Molecular Weight: 319.33