Specification :

Phenazopyridine hydrochloride CAS: 136-40-3 USP31 99.0 --101.0%
Uses: for the relief of the cystitis, prostatitis, urethritis, gonococcal urethritis, andendoscopy, urethral catheterization and other urinary tract and bladder caused by pain, burning sensation and frequent urination, urgency and discomfort.
Quality standards:
USP31 standards project
Traits dark red crystalline powder
Less 0.1% water-insoluble
The total impurities Less1.0% of material
Single peak Less 0.5%
Loss on drying Less 0.5%
Residue on ignition Less 0.2%
Heavy metals Less 20ppm
Assay 99.0 --101.0%