Clostebol acetate

Clostebol acetate (BAN) (brand names Macrobin, Steranabol, Alfa-Trofodermin, Megagrisevit), also known as 4-chlorotestosterone 17β-acetate (4-CLTA) or as 4-chloroandrost-4-en-17β-ol-3-one 17β-acetate, is a synthetic, injected anabolic-androgenic steroid (AAS) and a derivative of testosterone that is marketed in Germany and Italy.[1][2][3] It is an androgen ester – specifically, the C17β acetate ester of clostebol (4-chlorotestosterone) – and acts as a prodrug of clostebol in the body.[1][2] Clostebol acetate is administered via intramuscular injection.[3][4]

Clostebol acetate
Clinical data
Trade namesMacrobin, Steranabol, Alfa-Trofodermin, Megagrisevit
Other names4-Chlorotestosterone acetate; 4-CLTA; 4-Chloroandrost-4-en-17β-ol-3-one 17β-acetate; NSC-72159
Routes of
administration		Intramuscular injection
Identifiers
IUPAC name
  • [(8R,9S,10R,13S,14S,17S)-4-Chloro-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.011.565
Chemical and physical data
FormulaC21H29ClO3
Molar mass364.91 g·mol−1
3D model (JSmol)
SMILES
  • CC(=O)O[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=C(C(=O)CC[C@]34C)Cl)C
InChI
  • InChI=1S/C21H29ClO3/c1-12(23)25-18-7-6-14-13-4-5-16-19(22)17(24)9-11-20(16,2)15(13)8-10-21(14,18)3/h13-15,18H,4-11H2,1-3H3/t13-,14-,15-,18-,20+,21-/m0/s1
  • Key:XYGMEFJSKQEBTO-KUJXMBTLSA-N

See also

References
  1. Elks J (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 305–. ISBN 978-1-4757-2085-3.
  2. Index Nominum 2000: International Drug Directory. Taylor & Francis. January 2000. pp. 265–. ISBN 978-3-88763-075-1.
  3. Morton IK, Hall JM (31 October 1999). Concise Dictionary of Pharmacological Agents: Properties and Synonyms. Springer Science & Business Media. pp. 80–. ISBN 978-0-7514-0499-9.
  4. Mutschler E, Derendorf H (1995). Drug Actions: Basic Principles and Therapeutic Aspects. CRC Press. pp. 304–. ISBN 978-0-8493-7774-7.


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