Rifamycin S

【Product Name】:Rifamycin S

【CAS NO.】: 13553-79-2

【Molecular Weight】:695.75

【Formula】:C37H45NO12

【Quality Standards】: In house

【Package】:25Kg/per drum


Rifamycin S

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Note: Products protected by valid patents are not offered for sale in countries where the sale of such products constitutes patent infringement and its liability is at buyer’s risk.

【Appearance】

Yellow or orange-yellow crystalline powder.

【Identification】

IR; 

【Solubility】

Free soluble in dichloromethane; Slightly soluble in methanol

【Water】

2.5%

【Residue on ignition】

≤1.0% 

【25-Desacety Rifamycin S

≤1.0% 

【Unknown impurity 1】

≤0.5% 

【Unknown impurity 2】

≤0.3% 

【Any other unknow impurity】

≤0.2% 

【Total impurities】

≤2.0% 

【Assay (Calculated on the anhydrous basis)】

97.0%~101.0% 

【Usage】

It has broad-spectrum antibacterial activity and good antibacterial activity against gram-positive cocci and Mycobacterium tuberculosis. The antibacterial spectrum is the same as that of rifampicin.

【Storage】

Under nitrogen in an airtight container, protected from light, at a temperature not exceeding 25°C.








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