Rifaximin

• Post Date:

  Aug 06,2013

• Expiry Date:

  Feb 02,2014

• Detailed Description:

  Cas No. :80621-81-4 Specifications
  
  We supply this
  1.In very competitive price;
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  Specifications
  Product:Rifaximin/ Xifaxan EP/USP/BP
  Formulate:C43H51N3O11
  Formula weight:785.88
  CAS: 80621-81-4
  
  Appearance :Orange-red or dark red powder;odourless and slightly bitter
  
  Items
  Standard
  Results
  
  Description
  Reddish Orange Powder
  Conforms
  Identification
  Positive
  Positive
  Acidity(PH value)
  5.5-7.0
  6.1
  Related Materials
  Single Impurity ≤0.1%
  0.1%
  Impurity D+H <0.5%
  0.4%
  Total Impurity<1.0%
  0.8%
  Loss on drying
  ≤4.5%
  2.6%
  Solubility
  Practically insoluble in water, soluble in acetone and in methanol
  Conforms
  Residual solvents
  <5000ppm
  <5000ppm
  Residue on ignition
  ≤0.1%
  0.10%
  Mesh size
  Pass 120 mesh
  Conforms
  Heavy metals
  ≤20ppm
  Conforms
  Assay
  >97.0%-102%
  99.0%
  Conclusion
  It conforms to EP5.0

• CAS Registry Number:

  80621-81-4

• Synonyms:

  ;2S-Acetyloxy-5,6,21,23-tetrahydroxy-27-methoxy-2,4,11, 16,20,22,24,26-octamethyl-2,7-(epoxypentoeleca(1,11,13)trienimino)benzofuro[4,5-e]pyride[1,2-a]benzimidazole-1,15(2H)-dione;(2S,20S,21S,22R,23R,24S,25S,26S,27S,28E)-5,6,21,23-tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-1,15-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)furo[2'',3'':7',8']naphtho[1',2':4,5]imidazo[1,2-a]pyridin-25-yl acetate;(2S,16Z,18E,20S,21S,22R,24R,25S,26R,27S,28E)-5,6,21,23-tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-1,15-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)furo[2'',3'':7',8']naphtho[1',2':4,5]imidazo[1,2-a]pyridin-25-yl acetate;

• Molecular Formula:

  C₄₃H₅₁N₃O₁₁

• Molecular Weight:

  785.8785

• Molecular Structure:

  

• Company:

  Hubei MaxSource Chem Co., Ltd.     [ China ]        

• Contact:

  Bale Yang

• Tel:

  +86-027-83555670

• Fax:

  862783555670

• Email:

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