17α-Hydroxyprogesterone

17α-Hydroxyprogesterone (17α-OHP), also known as 17-OH progesterone (17-OHP), or hydroxyprogesterone (OHP), is an endogenous progestogen steroid hormone related to progesterone. It is also a chemical intermediate in the biosynthesis of many other endogenous steroids, including androgens, estrogens, glucocorticoids, and mineralocorticoids, as well as neurosteroids.

"Hydroxyprogesterone" redirects here. For other uses, see Hydroxyprogesterone (disambiguation).
Not to be confused with Hydroxyprogesterone caproate or Hydroxyprogesterone acetate.
17α-Hydroxyprogesterone
Names
IUPAC name
17α-Hydroxypregn-4-ene-3,20-dione
Systematic IUPAC name
(1R,3aS,3bR,9aR,9bS,11aS)-1-Acetyl-1-hydroxy-9a,11a-dimethyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one
Other names
Hydroxyprogesterone (INNTooltip International Nonproprietary Name)
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.000.636
KEGG
PubChem CID
UNII
  • InChI=1S/C21H30O3/c1-13(22)21(24)11-8-18-16-5-4-14-12-15(23)6-9-19(14,2)17(16)7-10-20(18,21)3/h12,16-18,24H,4-11H2,1-3H3/t16-,17+,18+,19+,20+,21+/m1/s1
    Key: DBPWSSGDRRHUNT-CEGNMAFCSA-N
SMILES
  • CC(=O)[C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C)O
Properties
C21H30O3
Molar mass 330.46 g/mol
Melting point 219.5
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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