API reference

Exemestane

CAS number
107868-30-4
Molecular formula
C20H24O2
Molecular weight
296.4 g/mol
Exemestane — 2D structure
2D structure (PubChem)

About this molecule

Exemestane is a 17-oxo steroid that is androsta-1,4-diene-3,17-dione in which the hydrogens at position 6 are replaced by a double bond to a methylene group. A selective inhibitor of the aromatase (oestrogen synthase) system, it is used in the treatment of advanced breast cancer. It has a role as an antineoplastic agent, a xenobiotic, an EC 1.14.14.14 (aromatase) inhibitor and an environmental contaminant. It is a 17-oxo steroid and a 3-oxo-Delta(1),Delta(4)-steroid. It derives from a hydride of an androstane.

Source: ChEBI, via PubChem.

Identifiers

IUPAC name
(8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,17-dione
InChIKey
BFYIZQONLCFLEV-DAELLWKTSA-N
SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CC(=C)C4=CC(=O)C=C[C@]34C
PubChem CID
60198

Also known as

Aromasin · 6-Methyleneandrosta-1,4-diene-3,17-dione · Exemestano · Exemestanum · Androsta-1,4-diene-3,17-dione, 6-methylene- · examestane · L02BG06 · C20H24O2

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