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API

Betamethasone

Betamethasone is listed in the Vencilla catalogue as an active pharmaceutical ingredient for business-to-business sourcing enquiries. Molecular formula C22H29FO5; molecular weight 392.5 g/mol (PubChem CID 9782). Share the required grade, specification, quantity, documentation and destination market with your enquiry.

Product overview

Product type
API
Type
API
Vencilla ID
PRD-100136

Chemical identity

CAS number
378-44-9
Molecular formula
C22H29FO5
Molecular weight
392.5 g/mol
Synonyms
Betamethasonum
IUPAC name
(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
PubChem CID
9782 (opens PubChem in a new tab)
InChIKey
UREBDLICKHMUKA-DVTGEIKXSA-N

Reference properties

Colour / form
Crystals from ethyl acetate (Hazardous Substances Data Bank (HSDB), US National Library of Medicine)
Melting point
231-234 °C, decomposes (Hazardous Substances Data Bank (HSDB), US National Library of Medicine)
Solubility
SOLUBILITIES: 1 G IN 1.6 ML WATER & 6.25 ML METHANOL; PRACTICALLY INSOL IN ACETONE, CHLOROFORM /SODIUM PHOSPHATE/ (Hazardous Substances Data Bank (HSDB), US National Library of Medicine)

Published literature values for the substance, with their source. They are not a specification of supplied material; the specification for each supply is confirmed with the enquiry.

Technical specification

Product specifications (salt or form, grade and pack) are confirmed for each enquiry during qualification.

References

Reference information researched 2026-10-14.

Documentation

Documentation requirements are reviewed for each enquiry during qualification.

Market compliance

Regulatory, import and registration requirements depend on the destination market and the intended use, and are reviewed for each enquiry. This record does not indicate approval, registration or authorisation in any market.

Pharmaceutical sourcing disclaimer

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