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F2552

Sigma-Aldrich

Formestane

solid

Synonym(s):

4-Hydroxyandrost-4-ene-3,17-dione, CGP-32349

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About This Item

Empirical Formula (Hill Notation):
C19H26O3
CAS Number:
566-48-3
Molecular Weight:
302.41
MDL number:
MFCD00057814
UNSPSC Code:
12352204
PubChem Substance ID:
24894827
NACRES:
NA.25

biological source

synthetic (organic)

Quality Level

100

Assay

≥98% (HPLC)

form

solid

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

solubility

chloroform: 50 mg/mL, clear to slightly hazy, colorless to faintly yellow

application(s)

forensics and toxicology
veterinary

storage temp.

2-8°C

SMILES string

C[C@]12CC[C@H]3[C@@H](CCC4=C(O)C(=O)CC[C@]34C)[C@@H]1CCC2=O

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

InChI key

OSVMTWJCGUFAOD-KZQROQTASA-N

Gene Information

human ... CYP19A1(1588)

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Biochem/physiol Actions

Aromatase inhibitor used as an anti-cancer agent against estrogen-dependent tumors.

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H360

Hazard Classifications

Repr. 1B

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCS2320
MKCN7345
MKCF5599
MKCC3385
MKBX1177V

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Davide Mauri et al.
Journal of the National Cancer Institute, 98(18), 1285-1291 (2006-09-21)
Aromatase inhibitors and inactivators have been extensively tested in patients with advanced breast cancer, but it is unclear whether they offer any survival benefits compared with standard hormonal treatment with tamoxifen or progestagens. We performed a meta-analysis of randomized controlled
P E Lønning et al.
The Journal of steroid biochemistry and molecular biology, 77(1), 39-47 (2001-05-19)
Formestane (Lentaron(R), 4-hydroxyandrostenedione) is a steroidal aromatase inhibitor used for treatment of advanced breast cancer. Clinically, it is administered as a depot form once fortnightly by intramuscular (i.m.) injection. To investigate the pharmacokinetics, bioavailability and metabolism of the drug, seven
Jie Wang et al.
Frontiers in systems neuroscience, 14, 546531-546531 (2020-10-06)
In rodents, the period of increased vulnerability to the developmental effects of general anesthetics coincides with the period of age-specific organizing (masculinizing) effects of the major female sex hormone 17β-estradiol (E2) in the male brain and excitatory GABA type A
A M Brodie et al.
Steroids, 65(4), 171-179 (2000-03-14)
Estrogens are known to be important in the growth of breast cancers in both pre- and postmenopausal women. The number of breast cancer patients with hormone-dependent disease increases with age, as does the incidence of breast cancer. Although estrogens are
Thomas Piper et al.
Drug testing and analysis, 4(12), 942-950 (2012-02-23)
The aromatase inhibitor formestane (4-hydroxy-androst-4-ene-3,17-dione, F) is prohibited in sports by the World Anti-Doping Agency (WADA). F possesses only weak androgenic properties and is presumed to be employed in order to suppress estrogen production during the illicit intake of anabolic
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