1881-66-9: Betamethasone 21-mesylate

Betamethasone 21-mesylate ( CAS No: 1881-66-9 ) or (11β,16β)-9-Fluoro-11,17-dihydroxy-16-methyl-21-[(methylsulfonyl)oxy]pregna-1,4-diene-3,20-dione; 21-O-Mesylbetamethasone; Betamethasone 21-Methanesulfonate is an intermediate in synthesizing Doxybetasol (Betamethasone Valerate EP Impurity B) , which is an impurity of Betamethasone. It is a glucocorticoid hormone used as AN anti-inflammatory drug agent.

Additional information

Catalogue No.

VE007362

CAS No.

1881-66-9

Molecular Formula

C23H31FO7S

Molecular Weight

470.6 g/mol

IUPAC Name

(11β, 16β)-9-Fluoro-11, 17-dihydroxy-16-methyl-21-[(methylsulfonyl)oxy]pregna-1, 4-diene-3, 20-dione; 21-O-Mesylbetamethasone; Betamethasone 21-Methanesulfonate

References

“Sci-Hub, Synthesis of New Local Anti-Inflammatory Thiosteroids Based on Antedrug Concept, 10.1016/0223-5234(91)90137-c.” Hkvisa.net, 2022, sci-hub.hkvisa.net/10.1016/0223-5234(91)90137-c.

Status

In-stock