Rifaximin
| CAS No.: 80621-81-4 | Request for quotation |  |
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Rifaximin Specification (EP8)
| Appearance | Red-orange, crystalline,hygroscopic powder. | Standard Packing | 1kg/bag or per customer request | |
| Solubility | Practically insoluble in water,soluble in acetone and in methanol. | Inventory | Normally we have Rifaximin in stock | |
| Identification | IR conforms to the standard | Rifaximin physical parameters | ||
| Related Substances | CAS No: | 80621-81-4 | ||
| a) Sum of impurities D and H | < 0.5% | Formula | C43H51N3O11 | |
| b) Unspecified impurities | < 0.1% | Molecular Weight | 786 | |
| c) Total impurity | < 1.0% | Synonym | ||
| d) Disregard limit | < 0.05% | Structure |  |
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| Heavy Metals | < 20ppm | |||
| Water | ≤ 4.5% | |||
| Sulphated Ash | < 0.1% | |||
| Assay | 97.0% to 102.0% (anhydrous substance) | |||
| Residual Solvents | ||||
| Dichloromethane | < 600ppm | |||
| Cyclohexane | < 3880ppm | |||
| Hexane | < 290ppm | |||
| Ethanol | < 5000ppm | |||
| 2-Methoxyethanol | < 50ppm | |||
| Ethyl acetate | < 5000ppm | |||
| Tetrahydrofuran | < 720ppm | |||
| Microbial Limit | ||||
| 1) Bacteria | < 1000/g | |||
| 2) Mold and yeast | < 1000/g | |||
| 3) Escherichia coli | Not detected | |||
| 4) Mildew and mite | Not detected | |||
| Assay | Not less than 950μg and not more than 1020μg of C46H62N4O11 per mg,calculated on the anhydrous basis. | |||
| Certificate of Analysis | Rifaximin COA | |||
| Literature | Rifaximin literature | |||
| MSDS | Rifaximin MSDS | |||
| Related Product | ||||
| Rifabutin (CAS #: 72559-06-9) | ||||
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