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Chemical name: 1-[(5-nitrofurfurylidene) amino] hydantoin
Molecular formula: C₈H₆N₄O₅
Molecular weight: 238.16
CAS: 67-20-9
Structural formula:

Specification:
In-house specification（Combin ation of specification in USP and EP）
Appearance: Brown yellow macrocrystalline powder.
5-Nitrofurfural Diacetate(USP): ≤0.15%
Nitrofurazone(USP): ≤0.01%
Any individual unspecified impurity: ≤0.10%
Total impurities: ≤0.5%
Water(USP): ≤1.0%
Sulfated ash(EP): ≤0.1%
Assay(EP): 98.0%～102.0% of C₈H₆N₄O₅ on the dried basis.
Total aerobic microbial count: Not more than 10³cfu/g
Total yeast and mold count: Not more than 10²cfu/g
 
Packing size: 25Kg/drum
Indications: For urinary tract infections resulted by sensitive bacteria, like pyelonephritis, urinary tract infection, cystitis and prostatitis.