CAS number:59-40-5

Molecular formula:C14H12N4O2S

molecular weight:300.34

Chemical structure:

Product name:     Sulfaquinoxaline base
Expiry Date:  Three years
Inspection Standard:  CPV2005 USP30 BPV2007
Items Specifications Results
Description Pale yellow or yellow powder Pass
Identification Conform to prescribed Conform to prescribed
Assay (on dry basis) 98.0-101.0% 98.92%
Loss on drying ≤1.0% 0.46%
Residue on ignition ≤0.1% 0.08%
Acidity ≤0.2ml Pass
Heavy metals ≤20ppm Pass
Related substances ≤1.0% Pass
Conclusion : Conforms to CPV2005.