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Rifamycin O

  • Chemical Name:Rifamycin O
  • CAS No.:14487-05-9
  • MF:C39H47NO14
  • MW:753.79
  • Specification: USP|EP|BP
  • Purity: 98%/99% or As customer requested
  • Product Categories:Chiral Reagents;Intermediates & Fine Chemicals;Pharmaceuticals
  • Test method: HPLC


Rifamycin O Basic information   

Product Name: Rifamycin O
Synonyms: ctone;Rifaximin impurity F (EP);Rifaximin Impurity 6 (Rifaximin EP Impurity F);spiro(1,3-dioxolane-2,9’(6’h)-(2,7)(epoxypentadeca(1,11,13)trienimino)naphtho(;4-O-Carboxymethyl-1-deoxy-1,4-dihydro-4-hydroxy-1-oxorifamycin γ-lactone;Rifomycin O;NSC 182391;4-O-(CARBOXYMETHYL)-1-DEOXY-1,4-diHYDRO-4-HYDROXY-1-OXO-G-LACTONE
CAS: 14487-05-9
MF: C39H47NO14
MW: 753.79
EINECS: 238-493-1
Product Categories: Chiral Reagents; Intermediates & Fine Chemicals; Pharmaceuticals
Mol File: 14487-05-9.mol

Rifamycin O Chemical Structure

Rifamycin O            

Rifaximin EP Impurity F Chemical Properties   

Melting point  171°C (dec.)
alpha  D20 +71.5° (c = 1 in dioxane)
Boiling point  730.16°C (rough estimate)
density  1.2421 (rough estimate)
refractive index  1.5350 (estimate)
storage temp.  -20?C Freezer, Under Inert Atmosphere
pka 4.61±0.70(Predicted)

Rifaximin EP Impurity F Usage And Synthesis

Chemical Properties Yellow Solid
Uses Rifamycin O (Rifaximin EP Impurity F) is a Rifaximin intermediate.

Maxmedchem, a global supplier of Rifamycin O, 14487-05-9 offers for your requirements of RND / Development quantities or commercials, based on status of the product. We can also offer its intermediates with supportive technical package required for evaluation.

MSDS: MSDS available

COA: COA can be available if you send us inquiry.

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