Pregnanediol

Pregnanediol, or 5β-pregnane-3α,20α-diol, is an inactive metabolic product of progesterone. A test can be done to measure the amount of pregnanediol in urine, which offers an indirect way to measure progesterone levels in the body.[1]

Pregnanediol

Names
IUPAC name (3R,5R,8R,9S,10S,13S,14S,17S)-17-[(1S)-1-Hydroxyethyl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol
Other names 5β-Pregnane-3α,20α-diol; Pregnandiol
Identifiers
CAS Number	80-92-2^Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL269897^Y
ChemSpider	190585^Y
ECHA InfoCard	100.001.195
PubChem CID	219833
UNII	JR3JD1Y22C^Y
CompTox Dashboard (EPA)	DTXSID6046218
InChI InChI=1S/C21H36O2/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/h13-19,22-23H,4-12H2,1-3H3/t13-,14+,15+,16-,17+,18-,19-,20-,21+/m0/s1^Y Key: YWYQTGBBEZQBGO-BERLURQNSA-N^Y InChI=1/C21H36O2/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/h13-19,22-23H,4-12H2,1-3H3/t13-,14+,15+,16-,17+,18-,19-,20-,21+/m0/s1 Key: YWYQTGBBEZQBGO-BERLURQNBW
SMILES O[C@@H]4CC[C@]3([C@H](CC[C@H]2[C@@H]1CC[C@@H]([C@@]1(C)CC[C@@H]23)[C@@H](O)C)C4)C
Properties
Chemical formula	C21H36O2
Molar mass	320.517 g·mol^−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is ^YN ?)
Infobox references

Chemistry

See also: List of neurosteroids

See also

• Pregnanedione
• Progesterone (pregn-4-ene-3,20-dione)

References

1. Smith, Melanie N. (May 1, 2007). "Pregnanediol". A.D.A.M., Inc.