Rifampicin, USP

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£158.00

SKU:: 241693
Molecular Weight:: 822.94
Storage Conditions:: 4°C
Supplier:: United States Biological
CAS Number:: 13292-46-1
Extra Details:: Semisynthetic antibiotic. Antibacerial (tuberculostatic). Inhibits RNA synthesis via RNA Polymerase binding. Specifically inhibits DNA-dependent RNA polymerase in bacteria by forming an inactive complex. Does not affect mammalian RNA polymerase. Synonyms: 3-[[(4-Methyl-1-piperazin-yl)imino]methyl]rifamycin; Abrifam; Ba 41166/E; Eremfat; Famcin; L 5103 Lepetit; NSC 113926; Refampicin; Rifa; Rifacap; Rifadin; Rifadine; Rifaldazine; Rifaldin; Rifampicin SV; Rifampin; Rifamycin AMP; Rifaprodin; Rifoldin; Rifoldine; Riforal; Rimactan; Rimactane; Rimapen; Sinerdol; Tubocin CAS No: 13292-46-1 Molecular Formula: C43H58N4O12 Molecular Weight: 822.94 Purity: ≥95 (Assay on dry basis) Appearance: Red-brown crystalline powder pH: 4.5-6.5 Solubility: Very slightly soluble in water Freely soluble in chloroform Soluble in ethylacetate and in methanol Infrared Spectrum: Conforms to structure Melting Point: >180°C (dec.) (lit) Loss on Drying: ≤2% Residual Solvents: Acetone: ≤5000ppm 1-Butanol: ≤5000ppm Ethyl acetate: ≤5000ppm Butyl acetate: ≤5000ppm N,N-Dimethylformamide: ≤880 ppm E. coli: Absent Mold and Yeast: ≤100 cfu/g Microbial Count: ≤1000 cfu/g (TAMC) Related Substances: Rifampicin quinone: ≤1.5% Any other individual related substance: ≤1% Total impurities other than Rifampin quinone: ≤3.5% Storage and Stability: Store at 4ºC. Stable for 12 months after receipt.

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