5α-Pregnan-17α-ol-3,20-dione

5α-Pregnan-17α-ol-3,20-dione
Names
	IUPAC name 17α-Hydroxy-5α-pregnane-3,20-dione
	Systematic IUPAC name (1R,3aS,3bR,5aS,9aS,9bS,11aS)-1-Acetyl-1-hydroxy-9a,11a-dimethylhexadecahydro-7H-cyclopenta[a]phenanthren-7-one
	Other names 5α-17-Hydroxypregnane-3,20-dione, 17-OH-DHP, 5α-Pregnane-17α-ol-3,20-dione, 17-Hydroxydihydroprogesterone, 17α-hydroxy-dihydroprogesterone
Identifiers
CAS Number	570-59-2 [EPA];
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL1078989;
ChemSpider	10063888;
KEGG	C22831;
PubChem CID	11889565;
CompTox Dashboard (EPA)	DTXSID30474538 ;
	InChI Key: UUOHXXXJRQGPLC-JJFNZWTKSA-N; InChI=1S/C21H32O3/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/h14,16-18,24H,4-12H2,1-3H3/t14-,16+,17-,18-,19-,20-,21-/m0/s1;
	SMILES CC(=O)[C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC[C@@H]4[C@@]3(CCC(=O)C4)C)C)O;
Properties
Chemical formula	C21H32O3
Molar mass	332.484 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

5α-Pregnan-17α-ol-3,20-dione, also known as 17α-hydroxy-dihydroprogesterone (17-OH-DHP) is an endogenous steroid, a metabolite of 17α-hydroxyprogesterone.