20alpha-Hydroxypregn-4-en-3-one

20-alpha-Dihydroprogesterone A biologically active 20-alpha-reduced metabolite of PROGESTERONE. It is converted from progesterone to 20-alpha-hydroxypregn-4-en-3-one by the 20-ALPHA-HYDROXYSTEROID DEHYDROGENASE in the CORPUS LUTEUM and the PLACENTA.

Molecular Formula: C₂₁H₃₂O₂

InChI: InChI=1/C21H32O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h12-13,16-19,22H,4-11H2,1-3H3/t13-,16u,17u,18u,19u,20-,21+/m0/s1

InChIKey: InChIKey=RWBRUCCWZPSBFC-DPVWXFPSBP
SMILES: CC(C1CCC2C1(CCC3C2CCC4=CC(=O)CCC34C)C)O

Names:
    C04042
    (10R,13S)-17-(1-hydroxyethyl)-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
    145-14-2
    20alpha-Hydroxypregn-4-en-3-one
    20alpha-Hydroxyprogesterone
    20alpha-Hydroxy-4-pregnen-3-one

Registries:
    PubChem CID 440204
    PubChem ID 6743