Date published: 2026-5-28

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KOR Inhibitors

Santa Cruz Biotechnology now offers a broad range of KOR Inhibitors for use in various applications. Kappa opioid receptors (KORs) are G protein-coupled receptors that are involved in modulating pain, stress responses, mood regulation, and reward perception. These receptors are primarily activated by endogenous peptides like dynorphins, and they play a distinct role in the body's response to stress and pain, often producing effects that contrast with those mediated by other opioid receptors. KOR Inhibitors are essential tools in scientific research, allowing researchers to block the activity of these receptors and study the resulting physiological and behavioral changes. By inhibiting KORs, scientists can explore how these receptors contribute to various conditions such as stress-induced anxiety, depression, and addictive behaviors. These inhibitors are widely used in neurobiological studies to understand the mechanisms by which KORs influence neurotransmitter systems, synaptic plasticity, and neural circuitry. Additionally, KOR Inhibitors are valuable in pharmacological research aimed at developing new strategies for managing mood disorders, addiction, and chronic pain by modulating the kappa opioid system. The availability of these inhibitors has significantly advanced research in neuropharmacology, behavioral science, and psychiatry, providing crucial insights into the complex role of KORs in regulating emotional and stress-related responses. View detailed information on our available KOR Inhibitors by clicking on the product name.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Naloxone hydrochloride

357-08-4sc-203153
sc-203153A
sc-203153B
sc-203153C
50 mg
100 mg
1 g
10 g
$87.00
$169.00
$342.00
$1864.00
2
(1)

Naloxone hydrochloride exhibits a unique affinity for kappa-opioid receptors (KOR), where it acts as an antagonist, effectively blocking receptor activation. Its structural conformation allows for specific interactions with the receptor's binding site, influencing downstream signaling pathways. The compound's hydrophilic nature enhances its solubility in aqueous environments, promoting efficient transport across biological membranes. Additionally, its rapid kinetics contribute to a swift onset of action in receptor modulation studies.

Nalmefene hydrochloride

58895-64-0sc-361270
sc-361270A
sc-361270B
sc-361270C
sc-361270D
100 mg
500 mg
1 g
5 g
10 g
$159.00
$296.00
$377.00
$893.00
$1325.00
(0)

Nalmefene hydrochloride is characterized by its selective binding to kappa-opioid receptors (KOR), where it functions as a modulator. The compound's unique stereochemistry facilitates distinct interactions with receptor sites, altering conformational dynamics and influencing intracellular signaling cascades. Its amphipathic properties enhance membrane permeability, allowing for effective distribution in various environments. Furthermore, its reaction kinetics reveal a notable balance between affinity and dissociation, impacting its overall receptor engagement profile.

nor-Binaltorphimine dihydrochloride

105618-26-6sc-396970A
sc-396970
1 mg
10 mg
$49.00
$190.00
4
(0)

Nor-Binaltorphimine dihydrochloride exhibits a high affinity for kappa-opioid receptors (KOR), showcasing its ability to induce specific conformational changes upon binding. This compound's unique structural features promote selective interactions that can modulate receptor activity and downstream signaling pathways. Its hydrophilic and lipophilic characteristics contribute to its solubility and distribution, while its kinetic profile highlights a rapid onset of action, influencing receptor occupancy dynamics.

DIPPA hydrochloride

155512-52-0sc-221550
sc-221550A
1 mg
5 mg
$20.00
$90.00
(0)

DIPPA hydrochloride is characterized by its selective binding to kappa-opioid receptors (KOR), where it engages in unique molecular interactions that stabilize receptor conformations. The compound's distinct functional groups facilitate specific hydrogen bonding and hydrophobic interactions, enhancing its affinity. Additionally, its dynamic reaction kinetics allow for efficient receptor activation, influencing downstream signaling cascades and contributing to its overall pharmacological profile.

(S)-DIPPA hydrochloride

sc-311534
5 mg
$599.00
(0)

(S)-DIPPA hydrochloride exhibits a remarkable affinity for kappa-opioid receptors (KOR), driven by its stereochemistry that promotes optimal spatial orientation for receptor engagement. The compound's unique structural features enable it to form intricate electrostatic interactions and pi-stacking with aromatic residues, enhancing binding stability. Its rapid association and dissociation kinetics suggest a finely tuned mechanism of action, allowing for nuanced modulation of receptor activity and downstream effects.

5′-Guanidinonaltrindole di(trifluoroacetate)

219655-57-9sc-252280
5 mg
$406.00
(0)

5'-Guanidinonaltrindole di(trifluoroacetate) is a potent kappa-opioid receptor (KOR) ligand characterized by its guanidine moiety, which facilitates strong hydrogen bonding and ionic interactions with receptor sites. The trifluoroacetate groups enhance solubility and stability, promoting effective receptor engagement. Its unique conformational flexibility allows for dynamic interactions within the receptor's binding pocket, influencing signaling pathways and receptor conformational states.