Chemical name: 1-[(5-nitrofurfurylidene) amino] hydantoin monohydrate
Molecular formula:C₈H₆N₄O₅·H₂O
Molecular weight: 256.18
CAS: 17140-81-7
Structural formula:

Specification:
In-house specification（Combination of specification in USP and EP）
Appearance: Lemon-yellow crystalline powder.
5-Nitrofurfural Diacetate（USP）: ≤0.15%
Nitrofurazone（USP）: ≤0.01%
Any individual unspecified impurity: ≤0.10%
Total impurities: ≤0.5%
Water（USP）: 6.5～7.5%
Sulfated ash（EP）: ≤0.1%
Assay（EP）: 98.0%～102.0% of C₈H₆N₄O₅ on the dried substance.
Total aerobic microbial count: ≤10³cfu/g
Total yeast and mold count: ≤10²cfu/g
E.coli: Should be absent in 1g.
 
Packing size: 25Kg/drum
Indications: For urinary tract infections resulted by sensitive bacteria, like pyelonephritis, urinary tract infection, cystitis and prostatitis.