Furazabol

Furazabol (INNTooltip International Nonproprietary Name, JANTooltip Japanese Accepted Name) (brand names Frazalon, Miotalon, Qu Zhi Shu), also known as androfurazanol, is a synthetic, orally active anabolic-androgenic steroid which has been marketed in Japan since 1969. It is a 17α-alkylated derivative of dihydrotestosterone (DHT) and is closely related structurally to stanozolol, differing from it only by having a furazan ring system instead of pyrazole. Furazabol has a relatively high ratio of anabolic to androgenic activity. As with other 17α-alkylated AAS, it may have a risk of hepatotoxicity. The drug has been described as an antihyperlipidemic and is claimed to be useful in the treatment of atherosclerosis and hypercholesterolemia, but according to William Llewellyn, such properties of furazabol are a myth.

Furazabol
Clinical data
Trade namesFrazalon, Miotalon, Qu Zhi Shu
Other namesAndrofurazanol; DH-245; Furazalon; Frazalon; Pirzalon; 17α-Methyl-5α-androsta[2,3-c]furazan-17β-ol; 17β-Hydroxy-17α-methyl-5α-androstano[2,3-c]-1',2',5'-oxadiazole; 17α-Methyl-5α-androstano[2,3-c][1,2,5]oxadiazol-17β-ol
Routes of
administration
By mouth
Drug classAndrogen; Anabolic steroid
ATC code
Legal status
Legal status
Pharmacokinetic data
Elimination half-life4 hours
ExcretionUrine
Identifiers
  • (1S,2S,10S,13R,14S,17S,18S)-2,17,18-Trimethyl-6-oxa-5,7-diazapentacyclo[11.7.0.02,10.04,8.014,18]icosa-4,7-dien-17-ol
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.013.621
Chemical and physical data
FormulaC20H30N2O2
Molar mass330.472 g·mol−1
3D model (JSmol)
SMILES
  • O[C@@]5([C@@]4([C@H]([C@H]3[C@@H]([C@]2(Cc1nonc1C[C@@H]2CC3)C)CC4)CC5)C)C
  • InChI=1S/C20H30N2O2/c1-18-11-17-16(21-24-22-17)10-12(18)4-5-13-14(18)6-8-19(2)15(13)7-9-20(19,3)23/h12-15,23H,4-11H2,1-3H3/t12-,13+,14-,15-,18-,19-,20-/m0/s1 Y
  • Key:RGLLOUBXMOGLDQ-IVEVATEUSA-N Y
 NY (what is this?)  (verify)
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