1881-66-9

1881-66-9 structure
1881-66-9 structure
  • Name: betamethasone 21-mesylate
  • Chemical Name: (11β,16β)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-yl methanesulfonate
  • CAS Number: 1881-66-9
  • Molecular Formula: C23H31FO7S
  • Molecular Weight: 470.551
  • Create Date: 2021-09-12 11:46:26
  • Modify Date: 2024-01-05 11:49:23

Name (11β,16β)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-yl methanesulfonate
Synonyms Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-16-methyl-21-[(methylsulfonyl)oxy]-, (11β,16β)-
(11β,16β)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-yl methanesulfonate
Density 1.4±0.1 g/cm3
Boiling Point 652.3±55.0 °C at 760 mmHg
Molecular Formula C23H31FO7S
Molecular Weight 470.551
Flash Point 348.3±31.5 °C
Exact Mass 470.177460
LogP 1.68
Vapour Pressure 0.0±4.4 mmHg at 25°C
Index of Refraction 1.585