Rifaximin - Impurity G

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Catalogue number:	PA 18 27070
Chemical name:	6-O,14-Didehydro-Rifaximin
CAS Number:	80621-76-7
Category:	chiral standards,impurities,pharmaceutical standards,intermediates,Fine Chemicals
Synonyms:	Dehydro Rifaximin; (2S,7Z,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,21,23-Trihydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-1,6,15-trioxo-1,2,6,7-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienonitrilo)[1]benzofuro-[4,5-e]pyrido[1,2-a]benzimidazol-25-yl Acetate;[2S-(2R,16Z,18E,20R,21R,22S,23S,24S,25R,26S,27R*,28E)]-25-(Acetyloxy)-5,21,23-trihydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-6H-27-(epoxypentadeca[1,11,13]trienonitrilo)benzofuro[4,5-e]pyrido[1,2-a]benzimidazole-1,6,15(2H)-trione;
Molecular form:	C₄₃H₄₉N₃O₁₁
Appearance:	Very Dark Brown Red Solid
Mol. Weight:	783.86
Storage:	2-8°C Amber Vial, Refrigerator, Under inert atmosphere
Shipping Conditions:	Ambient
Applications:	NA