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 spectrumB.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% |