详细信息
- ;16b-甲基-11b,17a,21-三羟基-9a-孕甾-1,4-二烯-3,20-二酮;
- Betamethasone
- ;Betamethasone base;9a-fluoro-11b,17a,21-trihydroxy-16b-methylpregna-1,4-diene-3,20-dione;9alpha-fluoro-16beta-methylprednisolone;9-fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione;(11beta,16alpha)-9-fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione;
- InChI=1/C22H29FO5/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,23)17(26)10-20(16,3)22(12,28)18(27)11-24/h6-7,9,12,15-17,24,26,28H,4-5,8,10-11H2,1-3H3/t12-,15+,16+,17+,19+,20+,21+,22+/m1/s1
- 1.32g/cm3
- 235-237℃
- 568.2°C at 760 mmHg
- 297.5°C
- 色结晶性粉末。熔点231-234℃（分解）。无臭。醋酸倍他米松（[987-24-6]）亦为白色结晶性粉末，熔点205-208℃，微溶于丙醇、乙醇，极难溶于氯仿或乙醚，不溶于水，无臭。
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