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Rifaximin XIFAXAN 80621-81-4
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Rifaximin Basic information:
Product Name: Rifaximin
CAS: 80621-81-4
Synonyms: XIFAXAN;,20,22,24,26-octamethyl-,(2s-(2r*,16z,18e,20r*,21r*,22s*,23s*,24s*,25r*,26s*,;2,7-(epoxypentadeca(1,11,13)trienimino)benzofuro(4,5-e)pyrido(1,2-a)benzimidaz;28e))-27r;fatroximin;l105;l105(ansamacrolideantibiotic);l105sv
MF: C43H51N3O11
MW: 785.88
EINECS:
Product Categories: Active Pharmaceutical Ingredients;Antibacterial;Intermediates & Fine Chemicals;Pharmaceuticals;Chiral Reagents
Mol File: 80621-81-4.mol
Rifaximin Chemical Properties:
mp 200-2050C (dec)
storage temp. 0-6°C
Specifications of analysis:
Item |
Specifications |
Results |
Characters |
Red-orange to dark,crystalline powder |
Red-orange crystalline powder |
PH |
Take sample, add water into each 1 ml contains about 10mg of suspension, according to the determination should be 4.5~7.5 |
6.4 |
Identification 1)Chemical
2)HPLC
3)IR
|
Identification reaction for ferric chloride, A brownish-black colour is produced. The retention time of principal peak of substance being examined in the chromatogram obtained in the assay is identical with that of standard solution. The infrared absorption spectrum is concordant with reference spectrum of Rifaximin. |
Confirm
Confirm
Confirm
|
Test 1)Crystallinity 2)Loss on drying 3)Related substance
4)Residue on ignition 5)Heavy metals 6)Solvent residue
7)Microbial limit tests Total microbial count Mould and yeast E.coli |
Should meet the requirements. Not more than 4.5%. Individual impurity not more than 1.5%, Total impurities not more than 3.0%. Not more than 0.1%. Not more than 0.002%. Ethanol Not more than 0.5% Dichloromethane Not more than 0.06%
Not more than 1000cfu/g Not more than 100cfu/g Absence per g Not detected |
Confirm 1.7% Confirm Confirm 0.03% Confirm Confirm Not detected
Confirm Confirm Confirm |
Assay |
Not less than 98% (anhydrous substance) |
98.9% |
Conclusion |
The results conforms with Enterprise standards |
Zhishang Industry Co., Ltd. ("Zhishang") is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. We also customize high value-added chemicals and intermediates for the customer. The company spirit of "honesty, innovation first, practical-based" business philosophy, effective and practical management team in the development of the company to lay a solid foundation and also gradually create "Zhishang" as a brand for the industry leader.
Why choose us
1.Full experience of large numbers containers loading in Chinese sea port.
2.Fast shipment by reputed shipping line.
3.Packing with pallet as buyer's special request.
4.Best service after shipment with e mail.
5.Cargoes together with container sales seervice available.
6.Full experience for Canada & Japan export.
7.Cargoes photo before and after loading into container.
8.Raw materials from Chinese origin.
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