Cefoxitin sodium

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0 Metric Ton	Negotiable

0 Metric Ton

Negotiable

Min.Order :0 Metric Ton
Purity: 90%
Payment Terms : L/C,T/T

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Cefoxitin sodium

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Details:

Appearance White or almost white powder

Solubility Very soluble in water, slightly soluble in ethanol, insoluble in ethyl ether

Specific optical rotation +206-214?

Absorbance E1%1cm 190-210

Identification HPLC: The retention time of the major peak correspond to that of the standard IR: Conforms to the reference spectrum

Responds to the tests for sodium

PH 4.2-7.0

Appearance of solution Clear or not more than opalescent than refence suspension I, Not more intensely colored than reference solution Y or GY8

Related substance Individual impurity: 0.5% max

Total impurities: 4.0% max

Limit of residual solvents Methanol: 0.3% max

Ethanol: 0.5% max

Acetonitrile: 0.041% max

Acetone: 0.5% max

Ethyl acetate: 0.5% max

Tetrahyrofuran: 0.072% max

Water 1.0% max

Heavy metals 20ppm max

Visible particles Meets the requirement

Sub-visible particles 10μm: 6000particles/g max

25μm: 600 particles/g max

Bacterial endotins 0.10EU/mg max

Assay, on dry base 90.1%min

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