倍他米松丨378-44-9

中文名倍他米松

中文同义倍他米松原料药;倍他米松溶液, 100PPM;倍他米松(标准品);BETAMETHASONE 倍他米松;倍他美松;β-美松;贝他美松;培他美松

英文名Betamethasone

英文同义17,21-trihydr;betamethasone standard;(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro- 11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl- 6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one;Betamethasone Base & Salts;Betamethasone,9α-Fluoro-11β,17α,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione, 9α-Fluoro-16β-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione, 9α-Fluoro-16β-methylprednisolone;Betamethasone (200 mg);BetaMethasone (Celestone);BetaMethasone SolutioM

CAS378-44-9

分子式C22H29FO5

分子量392.46

EINECS206-825-4

结构式

性质

熔点235-237°C

比旋光度D +108° (acetone)

沸点568.2±50.0 °C(Predicted)

密度1.1283 (estimate)

折射率118 ° (C=1, Dioxane)

储存条件0-6°C

溶解度Practically insoluble in water, sparingly soluble in anhydrous ethanol, very slightly soluble in methylene chloride.

形态neat

酸度系数(pKa)12.13±0.70(Predicted)

水溶解性58mg/L(25 ºC)

Merck14,1180

NIST化学物质信息Pregna-1,4-diene-3,20-dione, 9alpha-fluoro-11beta,17alpha,21-trihydroxy-16beta-methyl-(378-44-9)

EPA化学物质信息Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17,21-trihydroxy-16-methyl-, (11.beta.,16.beta.)- (378-44-9)

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