Date published: 2025-10-25

1-800-457-3801

SCBT Portrait Logo
Seach Input

KOR-3 Inhibitors

Kappa opioid receptor (KOR-3) inhibitors encompass a diverse range of chemicals that are specifically designed or identified for their ability to inhibit the activity of the kappa opioid receptor, a G protein-coupled receptor involved in modulating pain, mood, and consciousness. The inhibition of KOR-3 is a significant area of interest due to its possible implications in pain management, and understanding the mechanisms of mood disorders. These inhibitors primarily act as antagonists, which means they bind to the receptor without activating it, thereby blocking the action of endogenous ligands or other agonists. This blockade is crucial in understanding the receptor's role in various physiological and pathological processes. The chemical inhibitors of KOR-3 listed above vary in their structure and specificity. Norbinaltorphimine and JDTic, for example, are known for their high selectivity and potency, making them valuable tools in research. Some, like LY2456302 and PF-4455242, are non-peptide antagonists, offering advantages in terms of stability and bioavailability. Zyklophin, being peptide-based, provides insights into the peptide interaction with KOR-3.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

JTC 801

244218-51-7sc-203614
sc-203614A
10 mg
50 mg
$128.00
$571.00
(1)

JTC 801 acts as a KOR-3 ligand, distinguished by its capacity to engage in π-π stacking interactions with aromatic residues in receptor binding sites. This compound exhibits a unique electronic configuration that enhances its reactivity, allowing for rapid formation of covalent bonds with nucleophilic sites. Its hydrophobic regions contribute to membrane permeability, while the presence of halogen substituents modulates its electrophilicity, influencing reaction rates and pathways.

(±)-J 113397

217461-40-0sc-204020
sc-204020A
10 mg
50 mg
$249.00
$1060.00
(0)

(±)-J 113397 functions as a KOR-3 ligand, characterized by its ability to form hydrogen bonds with key amino acid residues, enhancing receptor affinity. Its unique steric profile facilitates selective interactions within the binding pocket, promoting distinct conformational changes in the receptor. The compound's lipophilic characteristics improve its solubility in nonpolar environments, while its halogen groups fine-tune its reactivity, impacting kinetic behavior in various chemical contexts.

nor-Binaltorphimine dihydrochloride

105618-26-6sc-396970A
sc-396970
1 mg
10 mg
$48.00
$186.00
4
(0)

Acts as a potent and selective antagonist of KOR-3, binding competitively to the receptor, thus inhibiting its activity.

BAN ORL 24

475150-69-7sc-291924
sc-291924A
10 mg
50 mg
$185.00
$793.00
(0)

BAN ORL 24 acts as a KOR-3 ligand, exhibiting a unique ability to engage in π-π stacking interactions with aromatic residues, which stabilizes its binding to the receptor. Its distinct electronic configuration allows for enhanced dipole-dipole interactions, influencing the overall binding dynamics. Additionally, the compound's hydrophobic regions contribute to its partitioning behavior, affecting its distribution in lipid-rich environments and altering reaction kinetics in specific pathways.

Carbetapentane

77-23-6sc-201100
sc-201100A
100 mg
500 mg
$300.00
$400.00
1
(0)

Carbetapentane functions as a KOR-3 ligand, characterized by its capacity to form hydrogen bonds with polar amino acids, enhancing receptor affinity. Its unique steric configuration facilitates conformational changes in the receptor, promoting distinct signaling pathways. The compound's hydrophobic characteristics influence its solubility and interaction with membrane structures, potentially altering the kinetics of receptor activation and downstream effects in cellular environments.

Carbetapentane citrate

23142-01-0sc-203538
100 mg
$114.00
(1)

Carbetapentane citrate acts as a KOR-3 ligand, exhibiting a unique ability to engage in π-π stacking interactions with aromatic residues, which stabilizes receptor conformation. Its specific spatial arrangement allows for selective binding, influencing the receptor's allosteric modulation. The compound's amphiphilic nature enhances its interaction with lipid bilayers, potentially affecting membrane fluidity and altering the dynamics of receptor-ligand interactions in various cellular contexts.

SB 612111 hydrochloride

371980-98-2 (free base)sc-361347
sc-361347A
5 mg
25 mg
$128.00
$510.00
(0)

SB 612111 hydrochloride functions as a KOR-3 ligand, characterized by its ability to form hydrogen bonds with key amino acid residues, which facilitates receptor activation. Its unique steric configuration promotes a distinct conformational change in the receptor, enhancing signal transduction pathways. Additionally, the compound's hydrophilic and lipophilic balance may influence its solubility and distribution in biological systems, impacting its interaction kinetics with target proteins.

5′-Guanidinonaltrindole di(trifluoroacetate)

219655-57-9sc-252280
5 mg
$388.00
(0)

Known for its high affinity and selectivity towards KOR-3, it acts as an antagonist.

BRL 52537 hydrochloride

130497-33-5sc-202508
sc-202508A
10 mg
50 mg
$204.00
$325.00
(0)

Acts as an antagonist, selectively binding to KOR-3 and inhibiting its activation.

Compound 101

865608-11-3sc-507528
5 mg
$106.00
(0)

A selective and potent inhibitor of KOR-3, functioning as an antagonist.