5-Androstenedione

5-Androstenedione
Clinical data
Other names	Androst-5-ene-3,17-dione; Δ5-Androstenedione; NSC-12873
Routes of; administration	Oral
Identifiers
	IUPAC name (8R,9S,10R,13S,14S)-10,13-Dimethyl-2,4,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione;
CAS Number	571-36-8 ;
PubChem CID	160531;
DrugBank	DB01456;
ChemSpider	141063;
UNII	HEE11L5C3G;
ChEBI	CHEBI:83865;
ChEMBL	ChEMBL1743203;
Chemical and physical data
Formula	C19H26O2
Molar mass	286.415 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES C[C@]12CC[C@H]3[C@@H](CC=C4CC(=O)CC[C@]34C)[C@@H]1CCC2=O;
	InChI InChI=InChI=1S/C19H26O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h3,14-16H,4-11H2,1-2H3/t14-,15-,16-,18-,19-/m0/s1 ; Key:SQGZFRITSMYKRH-QAGGRKNESA-N ;

5-Androstenedione, also known as androst-5-ene-3,17-dione, is a prohormone of testosterone. The World Anti-Doping Agency prohibits its use in athletes. In the United States, it is a controlled substance.

5-Androstenedione is structurally similar to 4-androstenedione, with the exception of the position of a carbon-carbon double bond.

4-Androstenedione is naturally produced in the body by the adrenal glands and gonads. In addition to testosterone, it is also a precursor of estrone and estradiol.

5-Androstenedione is on the World Anti-Doping Agency's list of prohibited substances, and is therefore banned from use in most major sports.

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