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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

signalword

Danger

hcodes

H360

Hazard Classifications

Repr. 1B

Storage Class

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

wgk_germany

WGK 3

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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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
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
Xin Wang et al.
Cancer research, 66(21), 10281-10286 (2006-11-03)
Using Western blot as the major technique, we studied the effects of the three Food and Drug Administration (FDA)-approved aromatase inhibitors (AI) on aromatase protein stability in the aromatase-overexpressing breast cancer cell line MCF-7aro. We have found that exemestane treatment
Adam T Cawley et al.
Rapid communications in mass spectrometry : RCM, 22(24), 4147-4157 (2008-11-26)
Studies have shown that the administration of androstenedione (ADIONE) significantly increases the urinary ratio of testosterone glucuronide to epitestosterone glucuronide (T/E) - measured by gas chromatography/mass spectrometry (GC/MS) - in subjects with a normal ( approximately 1) or naturally high
L R Wiseman et al.
Drugs & aging, 9(4), 292-306 (1996-10-01)
Formestane (4-hydroxyandrostenedione) is an aromatase inhibitor which significantly reduces plasma levels of estrogen and has shown antitumour activity in postmenopausal women with breast cancer. Objective response rates in heavily pretreated patients with advanced breast cancer generally range between 20 and
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