Properties: Colorless needles from benzene, mp 130-133° (after drying under reduced pressure at 100° for 5 hrs). [a]D25 -70° (c = 1 in ethanol). uv max (0.001N HCl): 232 nm (E1%1cm 325). pKa 7.1 (40% aq methanol). Very sol in methanol, ethanol, acetone, chloroform, ethyl acetate, dioxane, acidic water. Sol in butanol, ether, CCl4, benzene, toluene. Practically insol in water, petr ether, ligroin, n-hexane.
Melting point: mp 130-133° (after drying under reduced pressure at 100° for 5 hrs)
pKa: pKa 7.1 (40% aq methanol)
Optical Rotation: [a]D25 -70° (c = 1 in ethanol)
Absorption maximum: uv max (0.001N HCl): 232 nm (E1%1cm 325)
Derivative Type: Propionate
CAS Registry Number: 51016-68-3
Trademarks: Josacine (Bellon); Josamy (Yamanouchi); Josaxin (Boots); Wilprafen (Mack, Illert.)
Percent Composition: C 61.14%, H 8.32%, N 1.58%, O 28.96%
Therap-Cat: Antibacterial.
Therap-Cat-Vet: Antibacterial.
Keywords: Antibacterial (Antibiotics); Macrolides.
产品链接: 16846-24-5››