Betamethasone 21-acetate
Betamethasone 21-acetate (CAS: 987-24-6), with the molecular formula C24H31FO6 and a molecular weight of 434.50, is a synthetic corticosteroid derivative. It is recognised for its anti-inflammatory and immunosuppressive properties. Primarily employed in research settings, it serves as a valuable tool in the study of cellular processes, signalling pathways, and endocrine functions, particularly within the fields of cell biology and neuroscience.
- IUPAC
- 9α-Fluoro-16β-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 21-acetate
- Synonyms
- 9-alpha-Fluoro-16-beta-methyl-11-beta,17-alpha,21-trihydroxy-1,4-pregnadiene-3,20-dione 21-acetate

Research in Cell Biology
Betamethasone 21-acetate is utilised in laboratory research to investigate cellular mechanisms and responses to glucocorticoids. Its application aids in understanding steroid hormone signalling within various cell types.
Neuroscience Research Tool
This compound serves as a reagent in neuroscience studies, enabling researchers to explore the effects of corticosteroids on neural pathways and cell signalling within the nervous system.
Investigating Cytokine Activity
As a corticosteroid, Betamethasone 21-acetate can be used to study its influence on the production and activity of cytokines and other inflammatory mediators in biological systems.
| Molecular weight | 434.50 |
|---|---|
| Empirical formula | C24H31FO6 |

Hazard statements
- H351Suspected of causing cancer
Precautionary statements
- P281Use personal protective equipment as required
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 40 |
| Safety statements (S) | 22-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Betamethasone 21-acetate used for?
+
Betamethasone 21-acetate is used in research settings, particularly in cell biology and neuroscience, to study cellular processes, signalling pathways, and the effects of corticosteroids.
What are the CAS number and formula for Betamethasone 21-acetate?
+
The CAS number is 987-24-6 and the empirical formula is C24H31FO6.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical for research purposes. The specific assay and purity are detailed in the product specifications. We do not represent this product as USP, BP, or EP grade.
What are the safety concerns when handling Betamethasone 21-acetate?
+
Betamethasone 21-acetate is classified as a suspected carcinogen (H351). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection suitable for fine particulates (e.g., N100 or P3 filters). Avoid breathing dust.
Is Betamethasone 21-acetate available for export?
+
Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Betamethasone 21-acetate.
How can I request a sample or quote for Betamethasone 21-acetate?
+
Please contact our sales department through the website to request a sample or a quotation for Betamethasone 21-acetate.
▶ Related products

(−)-Curcumol
C15H24O2
Cell Biology
(±) Clopidogrel hydrogensulfate
Cell Biology

(±)-L-Alliin
C6H11NO3S
Cell Biology
(±)-2-Amino-4-phosphonobutyric acid
C4H10NO5P
Cell Biology
(±)-2-Methylarachidonoyl-2′-fluoroethylamide
C23H38NOF
Cell Biology
(±)-3,4-Methylenedioxy-N-ethylamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxyamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxymethamphetamine hydrochloride
Cell Biology
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis