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F3806

Sigma-Aldrich

Fadrozole hydrochloride

≥98% (HPLC)

Synonym(e):

4-(5,6,7,8-Tetrahydroimidazo[1,5-a]pyridin-5-yl)-benzonitrile, Afema, CGS 16949A

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About This Item

Empirische Formel (Hill-System):
C14H13N3·HCl
CAS-Nummer:
102676-31-3
Molekulargewicht:
259.73
MDL-Nummer:
MFCD00866239
UNSPSC-Code:
51111800
PubChem Substanz-ID:
329799706
NACRES:
NA.77

Qualitätsniveau

100

Assay

≥98% (HPLC)

Form

powder

Löslichkeit

DMSO: >20 mg/mL

Ersteller

Novartis

Lagertemp.

room temp

SMILES String

Cl.N#Cc1ccc(cc1)C2CCCc3cncn23

InChI

1S/C14H13N3.ClH/c15-8-11-4-6-12(7-5-11)14-3-1-2-13-9-16-10-17(13)14;/h4-7,9-10,14H,1-3H2;1H

InChIKey

UKCVAQGKEOJTSR-UHFFFAOYSA-N

Biochem./physiol. Wirkung

Fadrozole is a nonsteroidal aromatase inhibitor. Fadrozole is a very potent and highly selective inhibitor of the aromatase enzyme system in vitro and estrogen biosynthesis in vivo. It inhibited the conversion of [4-14C]androstenedione to [4-14C]estrone by human placental microsomes in a competitive manner (Ki = 1.6 nM). At a substrate concentration 3-fold the Km, Fadrozole was 180 times more potent, as an inhibitor, than aminoglutethimide (Cat. No. A9657), exhibiting half-maximal inhibition at 1.7 nM as compared to 0.3 μM. In vivo, Fadrozole lowered ovarian estrogen synthesis by gonadotropin-primed, androstenedione treated, immature rats by 90% at a dose of 260 μg/kg (PO). In vivo, Fadrozole leads to sequelae of estrogen deprivation (e.g. regression of DMBA-induced mammary tumors) without causing adrenal hypertrophy in adult rats. It blocked aromatase by 50% in human breast cancer homogenates, live breast cancer cells, human placental microsomes, and porcine ovarian microsomes at concentrations of 0.008 to 0.02 μM.

Leistungsmerkmale und Vorteile

This compound was developed by Novartis. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Piktogramme

Skull and crossbonesHealth hazard
GHS06,GHS08

Signalwort

Danger

H-Sätze

H301,H361

Gefahreneinstufungen

Acute Tox. 3 Oral - Repr. 2

Lagerklassenschlüssel

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

WGK

WGK 2

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Dapeng Zhang et al.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 152(2), 202-206 (2010-04-15)
It has been extensively documented that exposure of amphibians and teleost fish to exogenous steroid hormones like estrogen, androgen, xenoestrogen or steroid biosynthesis inhibitors can impair their gonadal development or induce sex reversal against genotypic sex. However, the molecular pathways
Luke Remage-Healey et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 32(24), 8231-8241 (2012-06-16)
The activity of sensory circuits is shaped by neuromodulators, which can have downstream consequences for both sensorimotor integration and behavioral output. Recent evidence indicates that brain-derived estrogens ("neuroestrogens") can act as local circuit modulators in the songbird auditory forebrain. Specifically
K J Ralston-Hooper et al.
Environmental science & technology, 47(2), 1091-1100 (2012-11-28)
Although two-dimensional electrophoresis (2D-GE) remains the basis for many ecotoxicoproteomic analyses, newer non-gel-based methods are beginning to be applied to overcome throughput and coverage limitations of 2D-GE. The overall objective of our research was to apply a comprehensive, liquid chromatography-tandem
M Gust et al.
Chemosphere, 79(1), 47-53 (2010-02-16)
The freshwater prosobranch Potamopyrgus antipodarum (Molluska, Hydrobiidea, Smith 1889) has been proposed as a suitable species to assess the impact of endocrine disrupting compounds (EDC) in aquatic ecosystems. Steroid hormone biosynthesis pathway is potentially an important target for EDC, and
Thierry D Charlier et al.
General and comparative endocrinology, 167(1), 18-26 (2010-02-11)
Local aromatization of testosterone into 17beta-estradiol (E(2)) is often required for the physiological and behavioral actions of testosterone. In most vertebrates, aromatase is expressed in a few discrete brain regions. While many studies have measured brain aromatase mRNA or activity
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