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    Nitrofurantoin

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

    Specification:
    A: In accordance with ChP 2020 edition
    Characters: A yellow crystalline powder; odorless; the color darkens gradually in light.
    pH: 5.5~7.0
    Nitrofurazone: ≤0.01%
    Loss on drying: ≤0.5%
    Residue on ignition: ≤0.1%
    Assay: 98.0%~102.0%
    Total aerobic microbial count: Not more than 103 cfu /g
    Total yeast and mold count: Not more than 102 cfu /g
    B: Combin ation of specification in USP and EP
    Appearance: A yellow crystalline powder or yellow crystals.
    Related Substances(EP): ≤1.0%
    Loss on drying(EP): ≤1.0%
    Sulfated ash(EP): ≤0.1%
    Nitrofurazone(USP): ≤0.01%
    5-Nitrofurfural Diacetate(USP): ≤0.15%
    Any individual unspecified impurity: ≤0.10%
    Total impurities: ≤0.5%
    Assay(EP): 98.0%~102.0% of C8H6N4O5 on the dried substance.
     
    Packing size: 25Kg/drum
    Authentication code: Guo Yao Zhun Zi H37022205
    Indications: For urinary tract infections resulted by sensitive bacteria, like pyelonephritis, urinary tract infection, cystitis and prostatitis.

     
     
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