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  • Region :Intermediates/Pharmaceutical intermediates
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Details for China Rifaximin

Rifaximin 80621-81-4

Category :

Intermediates/Pharmaceutical intermediates

Rifaximin
CAS NO : 80621-81-4
EC NO :
MF : C43H51N3O11
MW : 785.8785
Specification : assay not less than 98.50%
Packing : 25kg/paper drum or 10kg/paper drum
Product description : red-orange, hygroscopic, crystalline powder Slubility practically insoluble in water, soluble in acetone and in methanol Heavy metal not more than 20ppm Water not more than 4.5% Sulfated ash not more than 0.1% Assay 97.0% to 102.0% Related substances (1) sum of the impurities D and H: not more than 2.5 times the area of the principal peak in the chromatogram obtained with rference solution (a)(0.5%) (2)unspecified impurities:for each impurty,not more than 0.5times the area of the principal peak in the chromatogram obtained with reference solution(a)(0.1%) (3)total:not more than 5times the area of the principal peak in the chromatogram obtained with reference solution(a)(1.0%)
Uses : antibacterical
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 Structure : Rifaximin 80621-81-4