Home > Offer to Sell > Pharmaceuticals and Biochemicals > Central nervous system depressants and stimulants > Rifaximin
Rifaximin
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| 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; 2.Quality Guaranteed; 3.Fast Delivery; 4.Financial credit support. 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: | 
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| Company: | Hubei MaxSource Chem Co., Ltd. [ China ] |
| Contact: | Bale Yang |
| Tel: | +86-027-83555670 |
| Fax: | 862783555670 |
| Email: | maxsource12@hotmail.com |
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