Suzhou Bichal Biological Technology Co.,Ltd.

Product No:

BBTF-004

Product name:

Febuxostat

Chemical name:

2-[3-Cyano-4-isobutoxyphenyl]-4-methylthiazole-5-carboxylic acid;

2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carboxylic acid

CAS NO:

144060-53-7

Molecular formula:

C₁₆H₁₆N₂O₃S

Molecular weight :

316.37

Specification:

Item

Grade A

Grade B

Appearance

White to off-white crystalline powder

White to off-white crystalline powder

Melting range

205℃～209℃

205℃～209℃

Single impurity

0.1%max

0.5%max

Total impurity

0.5%max

1.0%max

Assay

99.5%min

99.0%min

Intermediates of Febuxostat:

Product No

Product name

CAS NO

Application

BBTH-005

4-Hydroxythiobenzamide

25984-63-8

Intermediate-F1

BBTT-016

Ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate

161797-99-5

Intermediate-F2

BBTT-017

Ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate

161798-01-2

Intermediate-F3

BBTT-018

Ethyl 2-(3-formyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate

161798-03-4

Intermediate-F4

BBTT-019

Ethyl 2-(3-cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylate

161798-02-3

Intermediate-F4-2

BBTT-020

5-Thiazolecarboxylicacid,2-[3-cyano-4-(2-methylpropoxy)phenyl]-4-methyl-,ethyl ester

160844-75-7

Intermediate-F5