Products List
Contact us
Products List您的当前位置主页 > English > PRODUCTS > APIs >
Celecoxib
Name:Celecoxib
CAS:169590-42-5
MF:C17H14F3N3O2S
MW:381.37
Assay:98%min
 
The detailed specifications are as below:

Item of testing

Inspection Standard

Appearance

White to off-white crystalline powder

Identification

A.The infrared absorption spectrum should meet with the reference spectrum

B.The retention time of sample major peak should meet with the retention time of reference substance major peak

 

Melting point

160°C-164°C

Related substances

Any other individual impurity≤0.5%

Total impurities≤1.0%

Related substances

Ethanol≤0.5%

Ethyl trifluoroacetate≤0.5%

Water

≤0.5%

Residue On Ignition

≤0.2%

Heavy Metal

≤20ppm

Fluorine

14.2%-16.4%

Assay

98.0%-102.0%