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Rifaximin

Rifaximin

Category :

Intermediates/Pharmaceutical intermediates

CAS NO : 80621-81-4
EC NO :
Molecular Formula : C43H51N3O11
Main Specifications : assay not less than 98.50%
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;
Rifaximin
Package: 25kg/paper drum or 10kg/paper drum
Uses : antibacterical
Molecular Structure:Rifaximin 80621-81-4
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%)
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Contact us
Company:
   Zhejiang Zhongxian Biotechnology Co., Ltd.
Contact:
   Sales representative
Phone:
+86-575-89298668
Mobile phone:
Fax:
+86-575-89298665
E-mail:
sxpharm@vip.163.com / jxb@sx-pharm.com
Website:
http://www.zxbiotech.com
Address:
Weiwu Road, Hangzhou Bay Shangyu Economic and Technological Development Zone, China
Zip Code:
312369
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