Stenbolone acetate

Stenbolone acetate (USANTooltip United States Adopted Name) (brand name Stenobolone, Anatrofin; former developmental code names RS-2106, S-3760), also known as 2-methyl-4,5α-dihydro-δ¹-testosterone 17β-acetate (2-methyl-δ¹-DHT 17β-acetate) or as 2-methyl-5α-androst-1-en-17β-ol-3-one 17β-acetate, is a synthetic, injected anabolic–androgenic steroid (AAS) and derivative of dihydrotestosterone (DHT) which has been marketed in Spain.^[1][2][3]

Stenbolone acetate

Clinical data
Trade names	Stenobolone, Anatrofin
Other names	RS-2106; S-3760; 2-Methyl-4,5α-dihydro-δ1-testosterone 17β-acetate; 2-Methyl-δ1-DHT 17β-acetate; 2-Methyl-5α-androst-1-en-17β-ol-3-one 17β-acetate
Routes of administration	Intramuscular injection
Drug class	Androgen; Anabolic steroid; Androgen ester
Identifiers
IUPAC name [(5S,8R,9S,10S,13S,14S,17S)-2,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate
CAS Number	1242-56-4 Y
PubChem CID	10315500
ChemSpider	8490965
UNII	36HF75V9XI
CompTox Dashboard (EPA)	DTXSID40924751
Chemical and physical data
Formula	C22H32O3
Molar mass	344.495 g·mol−1
3D model (JSmol)	Interactive image
SMILES CC1=C[C@]2([C@@H](CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@H]4OC(=O)C)C)CC1=O)C
InChI InChI=1S/C22H32O3/c1-13-12-22(4)15(11-19(13)24)5-6-16-17-7-8-20(25-14(2)23)21(17,3)10-9-18(16)22/h12,15-18,20H,5-11H2,1-4H3/t15-,16-,17-,18-,20-,21-,22-/m0/s1 Key:FYTLCZSXKONUTF-OIELIUQCSA-N

It is the C17β acetate ester of stenbolone, which is structurally related to 1-testosterone (Δ¹-DHT; dihydroboldenone) and to drostanolone (2α-methyl-DHT).^[1][2][3]

See also

• List of androgen esters