Chemical name17-alpha-hydroxypregn-4-ene-3,20-dione
CAS No:68-96-2 

Molecular formulaC21H30O3   

Molecular weight330.47
EINECS200-699-4
Appearancewhite or white-like crystal powder 

Melting point≥214
Loss on drying≤0.5%
Assay: 99%

Use17A-hydroxyprogesterone is the key intermediate for synthesizing sterides cortical hormone and sterides progestogen