Description
Technical Parameters
Product Brief Introduction
Product name: Firocoxib
CAS：189954-96-9
MF: C17H20O5S
MW: 336.403
Product Specification
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Item |
Specification |
|
Appearance |
White to off white crystalline powder |
|
Identification |
UV: maximum absorption at 288nm, minimum absorption at 244nm. |
|
IR: The infrared absorption spectrum of the sample complies with the reference standard. |
|
|
HPLC:The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay. |
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|
Loss on Drying |
≤ 0.5% |
|
Residue on Ignition |
≤ 0.1% |
|
Related Substances |
P0Z7: ≤ 0.5% |
|
Unspecified impurity ≤ 0.2% |
|
|
Total impurities: ≤ 2.0% |
|
|
Residual Solvents |
Ethanol: ≤ 5000ppm |
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Ethyl acetate:≤ 5000ppm |
|
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Triethylamine:≤ 5000ppm |
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Acetonitrile ≤ 410ppm |
|
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Dichloromethane ≤ 600ppm |
|
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Assay |
98.0%~102.0% |
