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CAS 147359-76-0 Flibanserin Hydrochloride

Flibanserin is a 5-HT1A agonist and 5-HT2A antagonist that is developed for the treatment of hypoactive sexual desire disorder in women (1,2).

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Flibanserin Hydrochloride Description

Product Name:Flibanserin Hydrochloride
Synonyms:BIMT 17 Hydrochloride; BIMT 17BS Hydrochloride; 1-(2-(4-(3-(Trifluoromethyl)phenyl)piperazine-1-yl)ethyl)-1H-benzo[d]imidazol-2(3H)-one Hydrochloride
CAS NO:147359-76-0
Molecular Formula:C₂₀H₂₂ClFNO
Molecular Weight:426.86
Melting Point:>225°C (dec.)
Appearance:White to Pale Yellow Solid
Storage:Store at -20°C. For maximum recovery of product,
Solubility:DMSO (Slightly), Methanol (Slightly)
Stability:centrifuge the original vial prior to removing the cap.
Flibanserin is the first drug to be approved for hypoactive sexual desire disorder (HSDD) in premenopausal women by the FDA in August 2015. It was originally developed as an antidepressant medication by Boehringer Ingelheim, but showed a lack of efficacy in trials and was further developed as a hypoactive sexual disorder drug by Sprout Pharmaceuticals. Flibanserin’s mechanism of action is attributed to its high affinity for 5-HTA1 and 5-HTA2 receptors, displaying agonist activity on 5-HTA1 and antagonist on 5-HTA2, resulting in lowering of serotonin in the brain as well as an effect on increasing norepinephrine and dopamine neurotransmitters. Flibanserin has a high affinity for serotonin receptors in the brain: it acts as an agonist on 5-HT1A and an antagonist on 5-HT2A. In vivo, flibanserin binds equally to 5-HT1A and 5-HT2A receptors. However, under higher levels of brain 5-HT (i.e., under stress), flibanserin may occupy 5-HT2A receptors in higher proportion than 5-HT(1A) receptors. It may also moderately antagonize D4 (dopamine) receptors and 5-HT2B and 5-HTB2C. Its action on neurotransmitter receptors may contribute to a reduction in serotonin levels and an increase in dopamine and norepinephrine levels, all of which may play part in reward processing. Flibanserin is sold under the trade name Addyi and is indicated for the treatment of premenopausal women with acquired, generalized hypoactive sexual desire disorder (HSDD) as characterized by low sexual desire that causes marked distress or interpersonal difficulty.

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