Date published: 2026-4-1

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NPY5-R Inhibitors

The class of neuropeptide Y receptor type 5 (NPY5-R) inhibitors encompasses a range of compounds that can indirectly influence the function of NPY5-R. This protein is part of a system that impacts various physiological processes, including food intake, energy homeostasis, and possibly emotional responses. The inhibitors of NPY5-R can be segmented into several categories based on their mechanism of action, whether they act directly on the receptor or indirectly through related processes. Some inhibitors act on the NPY5-R directly, such as certain antagonists of the endogenous ligands Neuropeptide Y (NPY) and Peptide YY (PYY), both of which can directly activate the NPY5-R. These antagonists bind to the receptor without activating it, preventing NPY and PYY from eliciting their usual physiological responses. Other compounds influence NPY5-R indirectly by modifying the broader physiological processes in which it is involved. For instance, hormones that regulate appetite and energy homeostasis, such as Ghrelin, Leptin, Insulin, Glucagon, Cholecystokinin (CCK), Adiponectin, and hormones that influence food intake, such as Orexin A, Melanin-concentrating hormone (MCH), can all potentially affect the function of NPY5-R. NPY5-R inhibitors represent a diverse group of compounds that can interact with the receptor directly or indirectly. They can act directly, like certain antagonists of the endogenous ligands NPY and PYY, or indirectly, like hormones that influence appetite and energy homeostasis. The indirect inhibitors can modulate the broader physiological systems that NPY5-R is part of, thus affecting its function. These diverse mechanisms highlight the NPY5-R's complex role in physiological processes and the potential breadth of its chemical modulators. These inhibitors provide valuable tools for understanding the diverse roles of NPY5-R in the body, from food intake to energy homeostasis, and beyond.

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

L-152,804

6508-43-6sc-203618
sc-203618A
10 mg
50 mg
$185.00
$781.00
(0)

L-152,804 functions as a selective antagonist for the NPY5 receptor, exhibiting unique binding characteristics that disrupt receptor-ligand interactions. Its molecular structure allows for specific steric hindrance, effectively blocking receptor activation. The compound's kinetic profile reveals a rapid association and slower dissociation, which alters downstream signaling pathways. Additionally, L-152,804's interactions with membrane microdomains suggest a role in modulating receptor localization and function.

CGP 71683 hydrochloride

192322-50-2sc-203881
sc-203881A
sc-203881B
10 mg
50 mg
1 g
$209.00
$862.00
$1320.00
(0)

CGP 71683 hydrochloride acts as a selective antagonist for the NPY5 receptor, characterized by its unique ability to stabilize inactive receptor conformations. This compound exhibits a distinct affinity for specific binding sites, influencing receptor dynamics and altering the conformational landscape. Its interaction with lipid bilayers may affect membrane fluidity, potentially impacting receptor clustering and signaling efficiency. The compound's kinetic behavior indicates a nuanced modulation of receptor activity, contributing to its unique pharmacological profile.

NTNCB hydrochloride

486453-65-0sc-203655
sc-203655A
10 mg
50 mg
$300.00
$781.00
(0)

NTNCB hydrochloride functions as a selective modulator of the NPY5 receptor, distinguished by its capacity to induce conformational changes that favor inactive states. This compound engages in specific hydrogen bonding and hydrophobic interactions, which can alter receptor accessibility and downstream signaling pathways. Its unique electronic properties may influence charge distribution, affecting interaction kinetics and receptor-ligand dynamics, thereby modulating physiological responses.

LU AA33810

304008-29-5sc-295367
sc-295367A
10 mg
50 mg
$169.00
$638.00
(0)

LU AA33810 functions as a selective NPY5 receptor antagonist, distinguished by its unique ability to induce conformational changes that hinder receptor activation. Its molecular structure allows for specific hydrogen bonding and hydrophobic interactions, which modulate the receptor's signaling pathways. The compound's kinetic profile reveals a slow dissociation rate from the receptor, enhancing its efficacy in altering downstream cellular processes. This specificity in binding dynamics offers valuable insights into receptor behavior and modulation.

NPY 5RA972

439861-56-0sc-295945
sc-295945A
10 mg
50 mg
$340.00
$850.00
(0)

NPY 5RA972 acts as a potent NPY5 receptor modulator, characterized by its ability to stabilize receptor conformations that inhibit signaling. Its unique molecular architecture facilitates specific electrostatic interactions and steric hindrance, effectively blocking receptor activation. The compound exhibits a distinctive binding affinity, leading to altered kinetics in receptor-ligand interactions, which can influence downstream signaling cascades and cellular responses.

SB 408124

288150-92-5sc-361345
5 mg
$135.00
(0)

L-152,804 is an NPY5-R antagonist that can inhibit the function of NPY5-R by blocking the receptor and preventing its activation.