Name | rifamycin |
Synonyms | Rifocyn rifocin rifocyn Rifocin Rifamycin rifamycin Rifamycine Rifamicina Rifamycinum RIFAMYCIN SV Rifomycin SV rifamicinesv Rifamicine SV Rifamycin S-Na UNII-DU69T8ZZPA Rifamycinum [INN-Latin] Rifaximin EP Impurity C Rifamycine [INN-French] Rifamicina [INN-Spanish] 19,21,25(29),26-octaen-13-yl acetate 17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-21-acetate Rifamycin SV, an antibiotic produced by certain strains of Streptomyces mediterranei, or the same substance produced by any other means 2,7-(Epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-1,11(2H)-dione, 5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-, 21-acetate |
CAS | 6998-60-3 |
EINECS | 230-273-3 |
InChI | InChI=1/C37H47NO12/c1-16-11-10-12-17(2)36(46)38-23-15-24(40)26-27(32(23)44)31(43)21(6)34-28(26)35(45)37(8,50-34)48-14-13-25(47-9)18(3)33(49-22(7)39)20(5)30(42)19(4)29(16)41/h10-16,18-20,25,29-30,33,40-44H,1-9H3,(H,38,46)/b11-10+,14-13+,17-12-/t16-,18+,19+,20+,25-,29-,30+,33+,37-/m0/s1 |
Molecular Formula | C37H47NO12 |
Molar Mass | 697.77 |
Density | 1.2275 (rough estimate) |
Melting Point | 300° (dec 140°) |
Boling Point | 701.9°C (rough estimate) |
Specific Rotation(α) | D20 -4° (methanol) |
pKa | 5.17±0.70(Predicted) |
Storage Condition | -20°C |
Refractive Index | 1.5350 (estimate) |
Toxicity | LD50 in mice (mg/kg): 550 i.v.; 625 i.p.; 2120 orally (Bergamini, Fowst) |