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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:
Molecular Weight:
302.41
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.25
Pricing and availability is not currently available.

biological source

synthetic (organic)

Quality Level

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

Signal Word

Danger

Hazard Statements

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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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
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
Michael J Haas et al.
Free radical biology & medicine, 52(11-12), 2161-2167 (2012-05-10)
Increased oxidative stress and endoplasmic reticulum stress (ER stress) have been implicated in atherosclerosis. Estrogens have potent antioxidant activity but their effects on ER stress have not been well studied. Therefore, we studied the effects of estradiol and related sex
L R Wiseman et al.
Drugs, 45(1), 66-84 (1993-01-01)
Formestane (4-hydroxyandrostenedione) is an effective and competitive inhibitor of aromatase, the enzyme responsible for the conversion of androgens to estrone and estradiol. Significant reductions in plasma estradiol levels are observed following intramuscular administration of formestane to postmenopausal women with advanced

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