κ Opioid Receptor/KOR Agonist

κ Opioid Receptor/KOR Agonists (46):

Cat. No.	Product Name	Effect	Purity

HY-N0164

Matrine	Agonist	98.0%
Matrine (Matridin-15-one) is an alkaloid found in plants from the Sophora genus that can act as a kappa opioid receptor and u-receptor agonist. Matrine has a variety of pharmacological effects, including anti-cancer, anti-oxidative stress, anti-inflammation and anti-apoptosis effects. Matrine is potential in the research of disease like human non-small cell lung cancer, hepatoma, papillary thyroid cancer and acute kidney injury (AKI).

HY-P1333

Dynorphin A	Agonist	99.09%
Dynorphin A is an endogenous opioid peptide involved in inhibitory neurotransmission in the central nervous system (CNS). Dynorphin A is a highy potent kappa opioid receptor (KOR) agonist, and is also an agonist for other opioid receptors, such as mu (MOR) and delta (DOR). Dynorphin A can induce neuronal death, and can be used in the research of neurological disease.

HY-183773

KOR agonist-9	Agonist
KOR agonist-9 is a selective kappa opioid receptor (KOR) agonist with an EC₅₀of 1.41 nM. KOR agonist-9 exhibits >125-fold selectivity over μ/δ-opioid receptors. KOR agonist-9 antinociceptive and antipruritic effects in mice. KOR agonist-9 can be used for the research of pain, pruritus.

HY-110252

Salvinorin B	Agonist	99.90%
Salvinorin B is a selective and brain-penetrant kappa opioid receptor (KOPr) agonist with an EC₅₀ of 248 nM and K_i of 2.95 μM. Salvinorin B activates downstream signaling pathways by binding to KOPr, inhibits pain transmission and reduces inflammatory response. Salvinorin B can be used for the researches of inflammation, immunology and neurological disease, such as neuropathic pain, multiple sclerosis and anxiety.

HY-17609

Difelikefalin	Agonist	99.98%
Difelikefalin (CR-845) is a peripherally restricted and selective agonist of kappa opioid receptor (KOR). Difelikefalin produces anti-inflammatory effects and has the potential in modulating pruritus in conditions such as chronic kidney disease.

HY-12363

U-69593	Agonist	99.73%
U-69593 is a potent and selective κ1-opioid receptor agonist. U-69593 attenuates addictive agent-induced behavioral sensitization in the rat. U-69593 reduces anxiety and enhances spontaneous alternation memory in mice. U-69593 reduces calcium-dependent dialysate levels of dopamine and glutamate in the ventral striatum.

HY-P0088

Porcine dynorphin A(1-13)	Agonist	99.86%
Porcine dynorphin A (1-13) is a potent, endogenous κ opioid receptor agonist and is antinociceptive at physiological concentrations.

HY-P1594A

Dynorphin A (1-10) TFA	Agonist	98.64%
Dynorphin A (1-10) (TFA), an endogenous opioid neuropeptide, binds to extracellular loop 2 of the κ-opioid receptor. Dynorphin A (1-10) (TFA) also blocks NMDA-activated current with an IC₅₀ of 42.0 μM.

HY-107384A

Asimadoline hydrochloride	Agonist	99.57%
Asimadoline (EMD-61753) hydrochloride is an orally active, selective and peripherally active κ-opioid agonist with IC₅₀s of 5.6 nM (guinea pig) and 1.2 nM (human recombinant). Asimadoline hydrochloride has low permeability across the blood brain barrier and has peripheral anti-inflammatory actions. Asimadoline hydrochloride ameliorates allodynia in diabetic rats and has the potential for irritable bowel syndrome (IBS).

HY-156131

Loperamide	Agonist	99.85%
Loperamide (ADL 2-1294) is selective and orally active μ opioid receptor agonist with K_i valuess of 3, 48 and 1156 nM against μ, δ and κ opioid receptor, respectively. Loperamide produces antinociception and antihyperalgesia. Loperamide exhibits peripheral selectivity, enhancing fluid, electrolyte, and glucose absorption, reversing PGE₂(HY-101952)- and Cholera toxin (HY-P1446)-induced intestinal secretion, and reducing intestinal motility. Loperamide can be used for the researches of inflammatory pain and protracted diarrhoea.

HY-101205

ICI-199441 hydrochloride	Agonist	99.30%
ICI-199441 hydrochloride is a potent and selective κ-opioid receptor agonist with analgesic effects. ICI 199441 hydrochloride can improve heart resistance to ischemia/reperfusion.

HY-P1337A

Dynorphin B (1-13) TFA	Agonist	99.58%
Dynorphin B (1-13) TFA acts as an agonist on opioid κ-receptor.

HY-145128

GR103545 fumarate	Agonist	99.75%
GR103545 is a potent and selective agonist of the κ-opioid receptor (κ-OR). ¹¹GR103545 is a radiotracer for imaging κ-OR in vivo^[1]

HY-19070

BRL-52656	Agonist
BRL-52656 is a blood-brain barrier (BBB)-penetrable KOR receptor agonist that exhibits a biphasic effect. At low doses, BRL-52656 decreases blood pressure, whereas high doses have the opposite effect in spontaneously hypertensive rats. Additionally, BRL-52656 induces water diuresis by inhibiting the secretion of vasopressin (AVP).

HY-163916

SalA-VS-07	Agonist
SalA-VS-07 is a G protein-biased partial agonist for the Kappa-opioid receptor (KOR). SalA-VS-07 can be used for research of pain and other disorders.

HY-151811

NAQ	Agonist
NAQ is a potent and selective μ opioid receptor partial agonist, with a K_i of 0.55 nM. NAQ shows selectivity for Mu opioid receptor over the δ receptor (K_i=132.50 nM) and the κ receptor (K_i=26.45 nM). NAQ can be used for the research of opioid withdrawal or dependence.

HY-170973

KOR agonist 4	Agonist
KOR agonist 4 (compound 39) is an agonist of Kappa Opioid Receptor. KOR agonist 4 is an activator of G-protein signaling. KOR agonist 4 binds with GTPγS with an EC₅₀ of 14 nM and with an E_max of 83 %. KOR agonist 4 demonstrates moderate to high intrinsic clearance in human hepatocytes. KOR agonist 4 exhibits 60- and 810-fold selectivities versus the related mu (MOR) and delta (DOR) opioid receptors. KOR agonist 4 is potential for central nervous system (CNS) disorders research.

HY-P3870

DALDA	Agonist
DALDA is a potent and highly selective μ-opioid receptor agonist with a K_i of 1.69 nM. DALDA shows antinociceptive and respiratory effects.

HY-162552

KOR/DOR agonist 1	Agonist
KOR/DOR agonist 2 is a KOR and DOR opioid receptors agonist with K_i values of 0.14 nM, and 0.93 nM, respectively. KOR/DOR agonist 2 shows significant antinociceptive effects. KOR/DOR agonist 2 penetrates the blood-brain barrier.

HY-P4679

(N-Me-Tyr1,N-Me-Arg7,D-Leu-NHEt8)-Dynorphin A (1-8)	Agonist
(N-Me-Tyr1,N-Me-Arg7,D-Leu-NHEt8)-Dynorphin A (1-8) (E-2078), a stable Dynorphin A (1–8) (HY-P2159) analog, is a kappa opioid receptor (KOR) agonist.

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