378-44-9 Betamethasone Betamethasone

Synonyms： 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
CAS Number：378-44-9
EINECS：206-825-4
Molecular Formula：C₂₂H₂₉FO₅
Molecular Weight：392.4611
InChI：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
Molecular Structure：
Density：1.32g/cm³
Melting point：235-237℃
Boiling point：568.2°C at 760 mmHg
Refractive index：1.591
Flash point：297.5°C
Vapour Pressur：2.81E-15mmHg at 25°C
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