Catalog No. Size PriceQuantity
M7735-2 2mg solid $80
M7735-10 10mg solid $240


Formestane is a synthetic steroidal substance with antineoplastic activity. Formestane binds irreversibly to and inhibits the enzyme aromatase, thereby blocking the conversion of cholesterol to pregnenolone and the peripheral aromatization of androgenic precursors into estrogens.

Product information

CAS Number: 566-48-3

Molecular Weight: 302.41

Formula: C19H26O3



CGP 32349





Chemical Name: (8R, 9S, 10R, 13S, 14S)-4-hydroxy-10, 13-dimethyl-7, 8, 9, 10, 11, 12, 13, 14, 15, 16-decahydro-1H-cyclopenta[a]phenanthrene-3, 17(2H, 6H)-dione

Smiles: C[C@]12CCC(=O)C(O)=C1CC[C@@H]1[C@@H]2CC[C@@]2(C)[C@H]1CCC2=O


InChi: InChI=1S/C19H26O3/c1-18-10-8-15(20)17(22)14(18)4-3-11-12-5-6-16(21)19(12,2)9-7-13(11)18/h11-13,22H,3-10H2,1-2H3/t11-,12-,13-,18+,19-/m0/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO: 61 mg/mL(201.71 mM). Water: Insoluble.

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

Products are for research use only. Not for human use.

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