Chinese name betamethasone English name Betamethasone Chinese alias 16b-methyl-11b, 17a, 21-trihydroxy-9a-pregn-1,4-diene-3,20-dione CAS RN 378-44-9 EINECS number 206-825-4 Molecular formula C22H29FO5 Molecular weight 392.4611 Physical and chemical properties of crystalline powder. Melting point 231-234 ° C (decomposition). Odorless. Beethamethasone acetate ([987-24-6]) is also a white crystalline powder, melting point 205-208 ° C, slightly soluble in propanol, ethanol, extremely difficult to dissolve in chloroform or ether, insoluble in water, odorless.
Use of hormones. Mainly used for anti-inflammatory and anti-allergy. Applicable to rheumatoid arthritis and various skin diseases. The role of betamethasone with dexamethasone, its anti-inflammatory effect than dexamethasone, to Yan Song, hydrocortisone strong, less side effects.