Rifabutin

CAS No.: 72559-06-9   Request for quotation

 

Rifabutin Specification (USP35)

Description Purple-red to purple-black powder   Standard Packing 1000g/bag or per customer request
Solubility Soluble in methanol and chloroform, slightly soluble in ethanol, almost insoluble in water.   Inventory Normally we have Rifabutin in stock
   
Identification The retention time of major peak in the chromatogram of the assay preparation corresponds that in the chromatogram of standard preparation. The infrared absorption of test sample corresponds to that of standards.   Rifabutin physical parameters
  CAS No: 72559-06-9
  Formula C46H62N4O11
  Molecular Weight 847
  Synonym  
N-Isobutylpiperidone <0.5% by TLC test   Structure Rifabutin
Related Substances      
1) Any impurity ( RRT 0.5, 0.6, 0.8, 1.4) <1.0%    
2) Any 0ther impurity <0.5%    
3) The total of all impurity peaks <3.0%
Water <2.5%
Residual Solvents  
Dichloromethane < 600ppm
Cyclohexane < 3880ppm
Hexane < 290ppm
Ethanol < 5000ppm
2-Methoxyethanol < 50ppm
Ethyl acetate < 5000ppm
Tetrahydrofuran < 720ppm
Microbial Limit  
1) Bacteria < 1000/g
2) Mold and yeast < 1000/g
3) Escherichia coli Not detected
4) Mildew and mite Not detected
Assay Not less than 950μg and not more than 1020μg of C46H62N4O11 per mg,calculated on the anhydrous basis.
         
Certificate of Analysis Rifabutin COA      
Literature Rifabutin literature      
MSDS Rifabutin MSDS      
         
Related Product      
Rifamixin (CAS #: 80621-81-4)      
 
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Rifabutin