Phenazopyridine hydrochloride
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Molecular Structure
Detailed Description
Phenazopyridine hydrochloride
MF: C11H11N5.ClH
MW: 249.7
CAS: 136-40-3
Appearance Light or dark red to dark violet, crystalline powder
Identification IR UV TLC
Assay Min 99.0~101.0%
Loss on drying Max 1.0%
Residue on ignition Max 0.2%
Water insoluble substances Max 0.1%
Heavy metals Max 0.002%
Ordinary impurities Max 1.0%max
Conforms to USP30
- Phenazopyridine hydrochloride