谁有默克索引的帮我查一下克拉霉素的一些性质吧~!CAS:81103?Monograph ID: M3608 Title: Clarithromycin CAS Registry Number: 81103-11-9 CAS Name: 6-O-Methylerythromycin Manufacturer Code: A-56268; TE-031 Trademark Names: Biaxin (Abbott); Clarosip (Grünenthal); ... Colorless needles from chloroform + diisopropyl ether (1:2), mp 217-220 °C (dec). Also reported as crystals from ethanol, mp 222-225 °C (Morimoto). uv max (CHCl3): 288 nm (ε 27.9). uv max (CHCl3): 240, 288 nm; (methanol): 211, 288 nm. D24 −90.4 (c = 1 in CHCl3). Stable at acidic pH. Sol in acetone; slightly sol in methanol, ethanol, acetonitrile, and in phosphate buffer at pH values of 2 to 5. Practically insol in water. LD50 in male, female mice, male, female rats (mg/kg): 2740, 2700, 3470, 2700 orally, 1030, 850, 669, 753 i.p., 5000 all s.c. (Abe).查看更多