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δ-opioid receptors

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Akt (5) Amino Acid Derivatives (1) Aminopeptidase (3) Androgen Receptor (2) Angiotensin-converting Enzyme (ACE) (1) Arrestin (3) Beta-secretase (1) Cytochrome P450 (2) Dopamine Receptor (1) Drug Derivative (1) Drug Intermediate (1) Drug Metabolite (5) Endogenous Metabolite (2) Enteropeptidase (2) ERK (3) Flavivirus (1) Fluorescent Dye (1) iGluR (5) Interleukin Related (1) Isotope-Labeled Compounds (5) Leukotriene Receptor (1) mAChR (4) MMP (5) mTOR (4) NF-κB (6) Opioid Receptor (109) PI3K (5) Potassium Channel (2) Prolyl Endopeptidase (PREP) (1) Reference Standards (9) Sigma Receptor (1) TNF Receptor (2) Virus Protease (4)
By Research Areas:	Cancer (7) Cardiovascular Disease (1) Endocrinology (1) Infection (5) Inflammation/Immunology (18) Metabolic Disease (5) Neurological Disease (96)

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Akt (5)

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Aminopeptidase (3)

Androgen Receptor (2)

Angiotensin-converting Enzyme (ACE) (1)

Arrestin (3)

Beta-secretase (1)

Cytochrome P450 (2)

Dopamine Receptor (1)

Drug Derivative (1)

Drug Intermediate (1)

Drug Metabolite (5)

Endogenous Metabolite (2)

Enteropeptidase (2)

ERK (3)

Flavivirus (1)

Fluorescent Dye (1)

iGluR (5)

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Isotope-Labeled Compounds (5)

Leukotriene Receptor (1)

mAChR (4)

MMP (5)

mTOR (4)

NF-κB (6)

Opioid Receptor (109)

PI3K (5)

Potassium Channel (2)

Prolyl Endopeptidase (PREP) (1)

Reference Standards (9)

Sigma Receptor (1)

TNF Receptor (2)

Virus Protease (4)

By Research Areas:

Cancer (7)

Cardiovascular Disease (1)

Endocrinology (1)

Infection (5)

Inflammation/Immunology (18)

Metabolic Disease (5)

Neurological Disease (96)

113

Inhibitors & Agonists

Peptides

Natural
Products

Isotope-Labeled Compounds

Art. -Nr.	Produktname	Target	Forschungsgebiete	Chemical Structure

HY-P1502

β-Endorphin, human 1 Publications Verification	Opioid Receptor	Neurological Disease
β-Endorphin, human, a prominent endogenous peptide, existing in the hypophysis cerebri and hypothalamus, is an agonist of **opioid receptor*, with preferred affinity for μ-opioid* receptor and **δ-opioid receptor**; β-Endorphin, human exhibits antinociception activity.

HY-G0021

N-Desmethylclozapine Norclozapine; Desmethylclozapine; Normethylclozapine	mAChR Opioid Receptor Drug Metabolite Virus Protease	Infection
N-Desmethylclozapine is a major active metabolite of the atypical antipsychotic agent Clozapine. N-Desmethylclozapine is a potent, allosteric and partial M1 receptors agonist (EC₅₀=115 nM) and is able to potentiate hippocampal N-methyl-d-aspartate (NMDA) receptor currents through M1 receptor activation. N-Desmethylclozapine is also a *δ-opioid* agonist .

HY-13243

Alvimopan 2 Publications Verification ADL 8-2698; LY 246736	Opioid Receptor	Neurological Disease
Alvimopan (ADL 8-2698) is a potent, selective, orally active and reversible μ-opioid receptor antagonist, with an IC₅₀ of 1.7 nM. Alvimopan has selectivity for μ-opioid receptor (K_i=0.47 nM) over κ- and **δ-opioid receptors (K_i**s=100, 12 nM, respectively). Alvimopan can be used for the research of postoperative ileus .

HY-101202

SNC80 NIH 10815	Opioid Receptor	Neurological Disease
SNC80 (NIH 10815) is a potent, highly selective and non-peptide **δ-opioid receptor agonist with a K_i of 1.78 nM and an IC₅₀ of 2.73 nM. SNC80 also selectively activates μ-δ heteromer in HEK293 cells with an EC₅₀** of 52.8 nM. SNC80 shows antinociceptive, antihyperalgesic and antidepressant‐like effects. SNC80 has the potential for multiple headache disorders treatment .

HY-90003

Tianeptine 1 Publications Verification	Opioid Receptor iGluR MMP PI3K Akt NF-κB	Neurological Disease Inflammation/Immunology
Tianeptine is an atypical antidepressant. Tianeptine is a moderate-intensity agonist of the μ-opioid receptor (MOR), and to a lesser extent, is an agonist of the δ-opioid receptor (DOR). Tianeptine is a glutamate modulator that can enhance AMPA receptor and antagonize NMDA receptor. tianeptine increases sensitivity of the α1 adrenergic receptor, which only manifests in chronic treatment. Tianeptine exerts neuroprotective effects under stress/inflammation-induced conditions, exhibiting anti-inflammatory and antioxidant properties. Tianeptine inhibits MMP-9 by suppressing the PI3K/Akt-mediated NF-κB pathway. Tianeptine can be used to alleviate symptoms of depression and anxiety, but does not cause sedative effects .

HY-145404

Mitragynine pseudoindoxyl 1 Publications Verification	Opioid Receptor	Metabolic Disease
Mitragynine pseudoindoxyl is a potent orally active agonist of the μ-opioid receptor (MOR-1, K_i=0.8 nM) and an antagonist of the δ-opioid receptor (DOR-1, K_i=3.0 nM). Mitragynine pseudoindoxyl has moderate affinity for the κ-opioid receptor (KOR-1, K_i=24 nM) and does not recruit β-arrestin-2, acting through G protein-mediated signaling pathways without β-arrestin-2-related activation. Mitragynine pseudoindoxyl produces potent analgesic activity through a mixed μ-agonist/δ-antagonist mechanism, with low side effects such as physical dependence, respiratory depression, and constipation, and no rewarding or aversive behaviors. Mitragynine pseudoindoxyl reduces hyperactivity, inhibits GI transit, and enhances characteristics, making it a potential analgesic .

HY-P1335

CTAP 2 Publications Verification	Opioid Receptor	Neurological Disease
CTAP is a potent, highly selective, and BBB penetrant μ opioid receptor antagonist, with an IC₅₀ of 3.5 nM. CTAP displays over 1200-fold selectivity over *δ opioid* (IC₅₀=4500 nM) and somatostatin receptors. CTAP can be used for the study of L-DOPA-induced dyskinesia (LID) and opiate overdose or addiction .

HY-P1334

DPDPE 1 Publications Verification	Opioid Receptor	Neurological Disease
DPDPE, an opioid peptide, is a selective **δ-opioid receptor?(DOR)** agonist?with anticonvulsant effects .

HY-P4053

Dalargin	Opioid Receptor	Neurological Disease
Dalargin is a potent **δ-opioid receptor** agonist. Dalargin mitigates Gentamicin (HY-A0276)-induced cell death. Dalargin shows nephroprotective effects on Gentamicin (HY-A0276A)-induced kidney injury. Dalargin shows antiulcer activity .

HY-123689

Samidorphan ALKS-33; RDC-0313	Opioid Receptor	Neurological Disease
Samidorphan (ALKS-33) is an orally active *opioid* system modulator that has a high affinity for binding with μ‐opioid, κ‐opioid, and δ‐opioid receptors. Samidorphan acts as an antagonist at μ‐opioid receptors and acts as a partial agonist at k-opioid and δ‐opioid receptors. Samidorphan primarily acts as an opioid receptor antagonist in vivo. Samidorphan can improve the behavior of depressed animals .

HY-120613

BMS-986187	Opioid Receptor	Neurological Disease
BMS-986187 is an **δ-opioid receptor**-selective positive allosteric modulator (PAM) with an EC₅₀ of 0.03 μM and a pK_B of 6.02 (～1 μM). BMS-986187 has no observable PAM activity at the μ-receptor (EC₅₀=3 μM) .

HY-P0098

[D-Ala2]leucine-enkephalin	Opioid Receptor	Neurological Disease Inflammation/Immunology
[D-Ala2]leucine-enkephalin, a *delta opioid* agonist, is a degradation resistant long-acting Leu-enkephalin analog used to study the signaling pathway of delta opioid receptors.

HY-90003A

Tianeptine sodium salt 1 Publications Verification	Opioid Receptor iGluR MMP PI3K Akt NF-κB	Neurological Disease Inflammation/Immunology
Tianeptine sodium salt is an atypical antidepressant. Tianeptine sodium salt is a moderate-intensity agonist of the μ-opioid receptor (MOR), and to a lesser extent, is an agonist of the δ-opioid receptor (DOR). Tianeptine sodium salt is a glutamate modulator that can enhance AMPA receptor and antagonize NMDA receptor. Tianeptine sodium salt increases sensitivity of the α1 adrenergic receptor, which only manifests in chronic treatment. Tianeptine sodium salt exerts neuroprotective effects under stress/inflammation-induced conditions, exhibiting anti-inflammatory and antioxidant properties. Tianeptine sodium salt inhibits MMP-9 by suppressing the PI3K/Akt-mediated NF-κB pathway. Tianeptine sodium salt can be used to alleviate symptoms of depression and anxiety, but does not cause sedative effects .

HY-120511

KNT-127 1 Publications Verification	Opioid Receptor	Neurological Disease
KNT-127 is a selective and BBB-penetrant δ-opioid receptor (DOR) agonist (K_i = 0.16 nM). KNT-127 is highly selective to the δ receptor, with Ki values of 0.16, 21.3 and 153 nM for δ, μ and κ receptors, respectively. KNT-127 acts as a biased ligand that mainly activates cyclic adenosine monophosphate (cAMP) signaling with lower beta-arrestin signaling activation. KNT-127 increases the release of dopamine and L-glutamate in the striatum, nucleus accumbens, and prefrontal cortex. KNT-127 exhibits antidepressant- and anxiolytic-like effects. KNT-127 can be studied in research on neurological diseases .

HY-13044

ADL-5859 hydrochloride 1 Publications Verification	Opioid Receptor Potassium Channel Cytochrome P450	Neurological Disease Inflammation/Immunology
ADL-5859 hydrochloride (compound 20) is a selective and orally active **δ opioid receptor (DOR) agonist with an K_i and an EC₅₀ value of 0.84 and 20 nM, respectively. ADL-5859 hydrochloride also shows inhibitory activity to hERG channel with an IC₅₀** value of 78 μM. ADL-5859 hydrochloride can be used for the research of pain .

HY-P1336

Deltorphin I Deltorphin 1; Deltorphin C; [D-Ala2] Deltorphin I	Opioid Receptor	Neurological Disease
Deltorphin I is a **δ-opioid receptor** agonist with high affinity and selectivity.

HY-104006

CYM51010	Opioid Receptor	Neurological Disease
CYM51010 is a biased ligand of μ-opioid receptor – δ-opioid receptor heterodimers with an EC₅₀ of 403 nM. CYM51010 exhibits anti-nociceptive activity similar to morphine but with a decreased levels of tolerance development and withdrawal symptoms .

HY-P1470

[Leu5]-Enkephalin, amide Leu-Enkephalin amide	Opioid Receptor	Neurological Disease
[Leu5]-Enkephalin, amide is a **δ opioid receptor** agonist.

HY-107741

SNC162	Opioid Receptor	Neurological Disease
SNC162 is a **delta-opioid receptor agonist with an IC₅₀** of 0.94 nM. SNC162 has antidepressant-like and antinociceptiv effects .

HY-105343

BW-180C 1 Publications Verification [D-Ala2, D-Leu5]-Enkephalin; DADLE	Opioid Receptor	Neurological Disease
BW-180C ([D-Ala2, D-Leu5]-Enkephalin; DADLE) is an δ opioid receptor (DOR) agonist, which belongs to the enkephalin family. Neuroprotective agent. BW-180C reversibly inhibits cellular transcription in neurons without causing cell injury .

HY-14157

ADL-5747	Opioid Receptor	Inflammation/Immunology
ADL-5747 is a selective and orally active agonist of the δ-opioid receptor (DOR). By binding to the δ-opioid receptors, ADL-5747 activates these receptors, thereby playing a role in pain management pathways. ADL-5747 can be used for research into pain management mechanisms .

HY-P1334A

DPDPE TFA 1 Publications Verification	Opioid Receptor	Neurological Disease
DPDPE TFA, an opioid peptide, is a selective **δ-opioid receptor (DOR)** agonist with anticonvulsant effects .

HY-136208

TAN-452	Opioid Receptor	Neurological Disease
TAN-452 is an orally active, selective peripherally acting δ-opioid receptor (DOR) antagonist with a K_i of 0.47 nM and a K_b of 0.21 nM. TAN-452 is an antagonist for μ-opioid receptor (MOR; K_i=36.56 nM and K_b=9.43 nM) and κ-opioid receptor (KOR; K_i=5.31 nM and K_b=7.18 nM). TAN-452, a derivative of Naltrindole, demonstrates low brain penetrability and attenuates morphine-induced side effects without affecting pain control .

HY-W048697

Fmoc-D-Pen(Trt)-OH	Amino Acid Derivatives	Others
Fmoc-D-Pen(Trt)-OH is an amino acid derivative with an Fmoc protecting group, which can be used to synthesize analogs of cyclic lanthionine enkephalin, a δ-opioid receptor selective ligand .

HY-P1013A

Deltorphin 2 TFA 3 Publications Verification [D-Ala2]-Deltorphin II TFA	Opioid Receptor	Neurological Disease
Deltorphin 2 TFA is a selective peptide agonist for the **δ opioid receptor** .

HY-P3546

[DPen2, Pen5] Enkephalin	Opioid Receptor	Neurological Disease
[DPen2, Pen5] Enkephalin is a **δ-opioid receptor** selective analog of [Leu5]-Enkephalin (HY-P0288) .

HY-P1467A

[Met5]-Enkephalin, amide TFA 5-Methionine-enkephalin amide TFA	Opioid Receptor	Neurological Disease
[Met5]-Enkephalin, amide TFA is an agonist for **δ opioid receptors** as well as putative ζ ζ opioid receptors.

HY-101230

ICI 174864	Opioid Receptor	Neurological Disease
ICI 174864 is a selective and brain-penetrant **δ-opioid receptor antagonist with K_e** values of 22.0 nM to 30.6 nM at δ-opioid receptor in mouse vas deferens. ICI 174864 selectively blocks biological effects mediated by the δ-opioid receptor agonist DPDPE (HY-P1334) after central administration. ICI 174864 reverses hypotension in rats with endotoxic shock and inhibits acetic acid-induced writhing in mice. ICI 174864 can be used for the research of opioid receptor subtypes, endotoxic hypotension and analgesic pathways .

HY-P1335A

CTAP TFA 2 Publications Verification	Opioid Receptor	Neurological Disease
CTAP TFA is a potent, highly selective, and BBB penetrant μ opioid receptor antagonist, with an IC₅₀ of 3.5 nM. CTAP TFA displays over 1200-fold selectivity over *δ opioid* (IC₅₀=4500 nM) and somatostatin receptors. CTAP TFA can be used for the study of L-DOPA-induced dyskinesia (LID) and opiate overdose or addiction .

HY-101317

TAN-67 dihydrobromide 1 Publications Verification SB-205607 dihydrobromide	Opioid Receptor	Neurological Disease
TAN-67 (SB-205607) dihydrobromide is a potent and selective nonpeptidic **δ-opioid receptor agonist with a K_i** value of 0.647 nM. TAN-67 dihydrobromide has neuroprotective effect. TAN-67 dihydrobromide can be used in research of ischemic stroke .

HY-117702

RB 101	Prolyl Endopeptidase (PREP) Aminopeptidase Opioid Receptor Dopamine Receptor Drug Intermediate	Neurological Disease Metabolic Disease Inflammation/Immunology
RB 101 is a blood-brain barrier-crossing prodrug as well as aminopeptidase N and neutral endopeptidase-24.11 inhibitor. RB 101 blocks enkephalin breakdown, elevates extracellular enkephalin levels and activate **δ-opioid receptor** and dopamine D1 receptor. RB 101 can be used for the research of pain, depressive syndromes, and diabetic neuropathy .

HY-76657A

Alvimopan dihydrate 2 Publications Verification ADL 8-2698 dihydrate; LY 246736 dihydrate	Opioid Receptor	Neurological Disease Cancer
Alvimopan dihydrate (ADL 8-2698 dihydrate) is a potent, selective, orally active and reversible μ-opioid receptor antagonist, with an IC₅₀ of 1.7 nM. Alvimopan dihydrate has selectivity for μ-opioid receptor (K_i=0.47 nM) over κ- and **δ-opioid receptors (K_i**s=100, 12 nM, respectively). Alvimopan dihydrate can be used for the research of postoperative ileus .

HY-P1866A

β-Endorphin, equine TFA 1 Publications Verification	Opioid Receptor	Neurological Disease
β-Endorphin, equine TFA is an endogenous opioid peptide, which binds at high affinity to both μ/δ opioid receptors. β-Endorphin, equine TFA has analgesic properties .

HY-G0021S1

N-Desmethylclozapine-d8 hydrochloride Norclozapine-d8 hydrochloride; Desmethylclozapine-d8 hydrochloride; Normethylclozapine-d8 hydrochloride	mAChR Opioid Receptor Drug Metabolite Virus Protease	Infection
N-Desmethylclozapine-d₈ (hydrochloride) is the deuterium labeled N-Desmethylclozapine hydrochloride. N-Desmethylclozapine hydrochloride is a major active metabolite of the atypical antipsychotic agent Clozapine. N-Desmethylclozapine hydrochloride is a potent, allosteric and partial M1 receptors agonist (EC₅₀=115 nM) and is able to potentiate hippocampal N-methyl-d-aspartate (NMDA) receptor currents through M1 receptor activation. N-Desmethylclozapine hydrochloride is also a δ-opioid agonist .

HY-16979

TRK-851	Opioid Receptor	Neurological Disease
RK-851 is a highly selective and orally active **δ-opioid receptor antagonist, with a negative logarithm of the antagonist concentration (pA₂*) of 8.84. TRK-851 exhibits the selectivity for the δ receptor* of more than 100 times higher than that for the μ or κ receptors. TRK-851 exhibits a potent antitussive effect in a rat model of capsaicin-induced cough. TRK-851 can be used for research on antitussive effects .

HY-178235

MDAN-21	Opioid Receptor	Neurological Disease
MDAN-21 is a bivalent opioid ligand that contains both μ-opioid receptor agonists and **δ-opioid receptor** antagonists. MDAN-21 has a strong analgesic effect and does not produce tolerance in mouse studies. MDAN-21 can effectively inhibit the withdrawal of morphine dependent monkeys and alleviate abnormal pain in the study of rhesus monkeys. MDAN-21 can be used for the study of allodynia .

HY-P1013

Deltorphin 2 [D-Ala2]-Deltorphin II	Opioid Receptor	Neurological Disease
Deltorphin 2 is a selective peptide agonist for the **δ opioid receptor**.

HY-A0115R

Ramiprilat (Standard) HOE 498 diacid (Standard); Ramipril diacid (Standard)	Drug Metabolite Reference Standards Angiotensin-converting Enzyme (ACE) Endogenous Metabolite	Cardiovascular Disease
Alvimopan (dihydrate) (Standard) is the analytical standard of Alvimopan (dihydrate). This product is intended for research and analytical applications. Alvimopan dihydrate (ADL 8-2698 dihydrate) is a potent, selective, orally active and reversible μ-opioid receptor antagonist, with an IC50 of 1.7 nM. Alvimopan dihydrate has selectivity for μ-opioid receptor (Ki=0.47 nM) over κ- and δ-opioid receptors (Kis=100, 12 nM, respectively). Alvimopan dihydrate can be used for the research of postoperative ileus .

HY-101233

ICI 154129 M 154129	Opioid Receptor	Neurological Disease
ICI 154 129 is a **delta-opioid receptor** antagonist and can be used for seizure research.

HY-101039A

AR-M 1000390 hydrochloride	Opioid Receptor	Neurological Disease
AR-M 1000390 hydrochloride is an exceptionally selective, potent **δ opioid receptor agonist with an EC₅₀** of 7.2±0.9 nM for δ agonist potency.

HY-107743

Naloxone benzoylhydrazone NalBzoH	Opioid Receptor	Neurological Disease
Naloxone benzoylhydrazone (NalBzoH) is a mixed agonist/antagonist. Naloxone benzoylhydrazone is a prototypic κ3-opioid receptor agonist, and a partial agonist at the cloned μ and **δ opioid receptors, and an antagonist at opioid-like NOP receptors**. Naloxone benzoylhydrazone has potently analgesia effect .

HY-108043

AZD-2327	Opioid Receptor	Neurological Disease
AZD-2327 is a potent and selective **δ-opioid receptor** agonist. AZD-2327 binds to the human opioid receptor (K_i of 0.49 and 0.75 nM and EC₅₀ of 24 and 9.2 nM at the C27 and F27 isoforms, respectively). AZD-2327 shows selectivity of >1000-fold over the human μ- and κ-opioid receptor subtypes as well as >130 other receptors and channels. AZD-2327 exhibits antidepressant and anxiolytic activities and can be used for the research of neurological disease .

HY-120024

BMS-986188	Opioid Receptor	Neurological Disease
BMS-986188 is a selective positive allosteric modulator of **δ-opioid receptor with an EC₅₀** of 0.05 μM .

HY-123689S1

Samidorphan-d5 ALKS-33-d₅; RDC-0313-d₅	Isotope-Labeled Compounds Opioid Receptor	Neurological Disease
Samidorphan-d5 (ALKS-33-d5) is is a deuterated compound of Samidorphan. Samidorphan is an orally active *opioid* system modulator that binds with high affinity to *μ-opioid, κ-opioid, and δ-opioid* receptors. Samidorphan is a *μ-opioid* receptor antagonist and a partial agonist at *k-opioid* and *δ-opioid* receptors. Samidorphan acts primarily as an *opioid* receptor antagonist in vivo .

HY-107751

BW373U86 SNC86	Opioid Receptor	Neurological Disease
BW373U86 (SNC86) is a **δ-opioid receptor agonist with an IC₅₀** of 1.49 nM. BW373U86 shows antidepressant-like effects .

HY-P1316A

Ac-RYYRWK-NH2 TFA	Opioid Receptor	Neurological Disease
Ac-RYYRWK-NH2 is a potent and selective partial agonist for the *nociceptin receptor* (NOP), [ ³H]Ac-RYYRWK-NH2 binds to rat cortical membranes ORL1 with a K_d** of 0.071 nM, but has no affinity for μ-, κ- or δ-opioid receptors .

HY-175366

DOR agonist 3	Opioid Receptor Arrestin	Neurological Disease
DOR agonist 3 (Compound 10) is a δ-opioid receptor (DOR)-selective positive allosteric modulator. DOR agonist 3 enhances G protein signaling while reducing β-arrestin2 recruitment. DOR agonist 3 is promising for research of chronic pain and depression .

HY-76657

Alvimopan monohydrate ADL 8-2698 monohydrate; LY 246736 monohydrate	Opioid Receptor	Neurological Disease Cancer
Alvimopan monohydrate (ADL 8-2698 monohydrate) is a potent, selective, orally active and reversible μ-opioid receptor antagonist, with an IC₅₀ of 1.7 nM. Alvimopan monohydrate has selectivity for μ-opioid receptor (K_i=0.47 nM) over κ- and **δ-opioid receptors (K_i**s=100, 12 nM, respectively). Alvimopan monohydrate can be used for the research of postoperative ileus .

HY-G0021S

N-Desmethylclozapine-d8 Norclozapine-d₈; Desmethylclozapine-d₈; Normethylclozapine-d₈	mAChR Opioid Receptor Drug Metabolite Virus Protease	Infection
N-Desmethylclozapine-d₈ is the deuterium labeled N-Desmethylclozapine. N-Desmethylclozapine is a major active metabolite of the atypical antipsychotic agent Clozapine. N-Desmethylclozapine is a potent, allosteric and partial M1 receptors agonist (EC₅₀=115 nM) and is able to potentiate hippocampal N-methyl-d-aspartate (NMDA) receptor currents through M1 receptor activation. N-Desmethylclozapine is also a δ-opioid agonist .

HY-P1467

[Met5]-Enkephalin, amide 5-Methionine-enkephalin amide	Opioid Receptor	Neurological Disease
[Met5]-Enkephalin, amide is an agonist for **δ opioid receptors** as well as putative ζ ζ opioid receptors.

Art. -Nr.	Produktname	Target	Research Area

HY-P1502

β-Endorphin, human 1 Publications Verification	Opioid Receptor	Neurological Disease
β-Endorphin, human, a prominent endogenous peptide, existing in the hypophysis cerebri and hypothalamus, is an agonist of **opioid receptor*, with preferred affinity for μ-opioid* receptor and **δ-opioid receptor**; β-Endorphin, human exhibits antinociception activity.

HY-P1335

CTAP 2 Publications Verification	Opioid Receptor	Neurological Disease
CTAP is a potent, highly selective, and BBB penetrant μ opioid receptor antagonist, with an IC₅₀ of 3.5 nM. CTAP displays over 1200-fold selectivity over *δ opioid* (IC₅₀=4500 nM) and somatostatin receptors. CTAP can be used for the study of L-DOPA-induced dyskinesia (LID) and opiate overdose or addiction .

HY-P1334

DPDPE 1 Publications Verification	Opioid Receptor	Neurological Disease
DPDPE, an opioid peptide, is a selective **δ-opioid receptor?(DOR)** agonist?with anticonvulsant effects .

HY-P4053

Dalargin	Opioid Receptor	Neurological Disease
Dalargin is a potent **δ-opioid receptor** agonist. Dalargin mitigates Gentamicin (HY-A0276)-induced cell death. Dalargin shows nephroprotective effects on Gentamicin (HY-A0276A)-induced kidney injury. Dalargin shows antiulcer activity .

HY-P0098

[D-Ala2]leucine-enkephalin	Opioid Receptor	Neurological Disease Inflammation/Immunology
[D-Ala2]leucine-enkephalin, a *delta opioid* agonist, is a degradation resistant long-acting Leu-enkephalin analog used to study the signaling pathway of delta opioid receptors.

HY-P1336

Deltorphin I Deltorphin 1; Deltorphin C; [D-Ala2] Deltorphin I	Opioid Receptor	Neurological Disease
Deltorphin I is a **δ-opioid receptor** agonist with high affinity and selectivity.

HY-P1470

[Leu5]-Enkephalin, amide Leu-Enkephalin amide	Opioid Receptor	Neurological Disease
[Leu5]-Enkephalin, amide is a **δ opioid receptor** agonist.

HY-105343

BW-180C 1 Publications Verification [D-Ala2, D-Leu5]-Enkephalin; DADLE	Opioid Receptor	Neurological Disease
BW-180C ([D-Ala2, D-Leu5]-Enkephalin; DADLE) is an δ opioid receptor (DOR) agonist, which belongs to the enkephalin family. Neuroprotective agent. BW-180C reversibly inhibits cellular transcription in neurons without causing cell injury .

HY-P1334A

DPDPE TFA 1 Publications Verification	Opioid Receptor	Neurological Disease
DPDPE TFA, an opioid peptide, is a selective **δ-opioid receptor (DOR)** agonist with anticonvulsant effects .

HY-W048697

Fmoc-D-Pen(Trt)-OH	Amino Acid Derivatives	Others
Fmoc-D-Pen(Trt)-OH is an amino acid derivative with an Fmoc protecting group, which can be used to synthesize analogs of cyclic lanthionine enkephalin, a δ-opioid receptor selective ligand .

HY-P1013A

Deltorphin 2 TFA 3 Publications Verification [D-Ala2]-Deltorphin II TFA	Opioid Receptor	Neurological Disease
Deltorphin 2 TFA is a selective peptide agonist for the **δ opioid receptor** .

HY-P3546

[DPen2, Pen5] Enkephalin	Opioid Receptor	Neurological Disease
[DPen2, Pen5] Enkephalin is a **δ-opioid receptor** selective analog of [Leu5]-Enkephalin (HY-P0288) .

HY-P1467A

[Met5]-Enkephalin, amide TFA 5-Methionine-enkephalin amide TFA	Opioid Receptor	Neurological Disease
[Met5]-Enkephalin, amide TFA is an agonist for **δ opioid receptors** as well as putative ζ ζ opioid receptors.

HY-101230

ICI 174864	Opioid Receptor	Neurological Disease
ICI 174864 is a selective and brain-penetrant **δ-opioid receptor antagonist with K_e** values of 22.0 nM to 30.6 nM at δ-opioid receptor in mouse vas deferens. ICI 174864 selectively blocks biological effects mediated by the δ-opioid receptor agonist DPDPE (HY-P1334) after central administration. ICI 174864 reverses hypotension in rats with endotoxic shock and inhibits acetic acid-induced writhing in mice. ICI 174864 can be used for the research of opioid receptor subtypes, endotoxic hypotension and analgesic pathways .

HY-P1335A

CTAP TFA 2 Publications Verification	Opioid Receptor	Neurological Disease
CTAP TFA is a potent, highly selective, and BBB penetrant μ opioid receptor antagonist, with an IC₅₀ of 3.5 nM. CTAP TFA displays over 1200-fold selectivity over *δ opioid* (IC₅₀=4500 nM) and somatostatin receptors. CTAP TFA can be used for the study of L-DOPA-induced dyskinesia (LID) and opiate overdose or addiction .

HY-P1866A

β-Endorphin, equine TFA 1 Publications Verification	Opioid Receptor	Neurological Disease
β-Endorphin, equine TFA is an endogenous opioid peptide, which binds at high affinity to both μ/δ opioid receptors. β-Endorphin, equine TFA has analgesic properties .

HY-P1013

Deltorphin 2 [D-Ala2]-Deltorphin II	Opioid Receptor	Neurological Disease
Deltorphin 2 is a selective peptide agonist for the **δ opioid receptor**.

HY-P1316A

Ac-RYYRWK-NH2 TFA	Opioid Receptor	Neurological Disease
Ac-RYYRWK-NH2 is a potent and selective partial agonist for the *nociceptin receptor* (NOP), [ ³H]Ac-RYYRWK-NH2 binds to rat cortical membranes ORL1 with a K_d** of 0.071 nM, but has no affinity for μ-, κ- or δ-opioid receptors .

HY-P1467

[Met5]-Enkephalin, amide 5-Methionine-enkephalin amide	Opioid Receptor	Neurological Disease
[Met5]-Enkephalin, amide is an agonist for **δ opioid receptors** as well as putative ζ ζ opioid receptors.

HY-P1866

β-Endorphin, equine	Opioid Receptor	Neurological Disease
β-Endorphin, equine is an endogenous opioid peptide, which binds at high affinity to both μ/δ opioid receptors . Analgesic properties .

HY-P1332

DSLET [D-Ser2, Leu5, Thr6]-enkephalin	Opioid Receptor	Neurological Disease
DSLET ([D-Ser2, Leu5, Thr6]-enkephalin) is a highly specific agonist of the *δ-receptor. DSLET is an enkephalin-related peptide selectively bound to the δ opioid* receptor .

HY-129271

Deltorphin Deltorphin A; Dermenkephalin	Opioid Receptor	Others
Deltorphin (Deltorphin A; Dermenkephalin) is a biological active peptide. (Deltorphin A peptide was isolated from skin extracts of the South American frog, Phyllomedusa sauvagei. Deltorphin A is a potent and selective agonist for the delta-opioid receptor.)

HY-P11642A

Sialorphin TFA	Enteropeptidase Aminopeptidase Opioid Receptor ERK mTOR Androgen Receptor	Inflammation/Immunology
Sialorphin TFA is a neutral endopeptidase (NEP) and aminopeptidase N (APN) inhibitor that responds to androgen signals. Sialorphin TFA blocks the degradation of endogenous opioid peptides and interacts with μ-, δ-, κ-opioid *receptors. Sialorphin TFA regulates the ERK/mTOR* signaling pathway by inducing cell cycle arrest, enhancing ERK1/2 activity, and reducing the phosphorylation levels of mTOR, 4E-BP1, p70S6K; accordingly, Sialorphin TFA exhibits antiproliferative activity against colorectal cancer, glioma and prostate cancer cells without cytotoxicity. In addition, Sialorphin TFA also produces antinociceptive responses, regulates sexual behavior, relaxes corpus cavernosum smooth muscle, and alleviates experimental colitis. Sialorphin TFA is also a copper (II) ion-binding ligand. Sialorphin TFA has been used in mechanistic studies related to cancer, pain management and inflammatory bowel disease .

HY-P2429

N,N-Diallyl-Tyr-Aib-Aib-Phe-Leu	Opioid Receptor	Others
N,N-Diallyl-Tyr-Aib-Aib-Phe-Leu is a compound that can antagonize the δ-opioid receptor and the action of [D-Pen2,D-Pen ] enkephalin in vivo. Its antagonistic effect can be verified by specific behavioral experiments.

HY-P1316

Ac-RYYRWK-NH2	Opioid Receptor	Neurological Disease
Ac-RYYRWK-NH2 is a potent and selective partial agonist for the *nociceptin receptor* (NOP), [ ³H]Ac-RYYRWK-NH2 binds to rat cortical membranes ORL1 with a K_d** of 0.071 nM, but has no affinity for µ-, κ- or δ-opioid receptors .

HY-P1502F

Biocytin-β-endorphin, human	Opioid Receptor	Neurological Disease
Biocytin-β-endorphin, human is abiotinylated β-Endorphin, human (HY-P1502). β-Endorphin, human, a prominent endogenous peptide, existing in the hypophysis cerebri and hypothalamus, is an agonist of **opioid receptor*, with preferred affinity for μ-opioid* receptor and **δ-opioid receptor**; β-Endorphin, human exhibits antinociception activity.

HY-P10203

*μ/κ/δ opioid* receptor agonist 1**	Opioid Receptor	Inflammation/Immunology
μ/κ/δ opioid receptor agonist 1 is a μ opioid receptor (MOR), κ opioid receptor (KOR), and δ opioid receptor (DOR) agonist. μ/κ/δ opioid receptor agonist 1 produces a strong and long-lasting analgesic effect through peripheral MOR and KOR in the tail-flick test .

HY-109166

Amdakefalin	Opioid Receptor	Neurological Disease
Amdakefalin is a μ and **δ opioid receptors** agonist with analgesic effects .

HY-P2669

Boc-YPGFL(O-tBu)	Opioid Receptor	Neurological Disease
Boc-YPGFL(O-tBu) is a selective δ opioid receptor (DOR) peptide antagonist .

HY-129422

Diallyl G	Opioid Receptor	Neurological Disease
Diallyl G is a **delta-opioid receptor antagonist. Diallyl G shows inhibitory effect on GTPase** .

HY-P1336A

Deltorphin I TFA Deltorphin 1 TFA; Deltorphin C TFA; [D-Ala2] Deltorphin I TFA	Opioid Receptor	Neurological Disease
Deltorphin I TFA (Deltorphin 1 TFA; Deltorphin C TFA; [D-Ala2] Deltorphin I TFA) is a high-affinity, selective **δ-opioid receptor** agonist that targets the δ1 and δ2 opioid receptor subtypes. Deltorphin I TFA produces analgesic effects in the rat spinal cord. Deltorphin I TFA increases the pain threshold in rats. Deltorphin I TFA can be used in studies related to nociception (acute pain) .

HY-105343R

BW-180C (Standard) [D-Ala2, D-Leu5]-Enkephalin (Standard); DADLE (Standard)	Reference Standards Opioid Receptor	Neurological Disease
BW-180C (Standard) is the analytical standard of BW-180C (HY-105343). This product is intended for research and analytical applications. BW-180C ([D-Ala2, D-Leu5]-Enkephalin; DADLE) is an δ opioid receptor (DOR) agonist, which belongs to the enkephalin family. Neuroprotective agent. BW-180C reversibly inhibits cellular transcription in neurons without causing cell injury .

HY-P11642

Sialorphin	ERK Androgen Receptor Opioid Receptor Enteropeptidase mTOR Aminopeptidase	Neurological Disease Inflammation/Immunology Cancer
Sialorphin is a neutral endopeptidase (NEP) and aminopeptidase N (APN) inhibitor that responds to androgen signals. Sialorphin blocks the degradation of endogenous opioid peptides and interacts with μ-, δ-, κ-opioid *receptors. Sialorphin regulates the ERK/mTOR* signaling pathway by inducing cell cycle arrest, enhancing ERK1/2 activity, and reducing the phosphorylation levels of mTOR, 4E-BP1, p70S6K; accordingly, Sialorphin exhibits antiproliferative activity against colorectal cancer, glioma and prostate cancer cells without cytotoxicity. In addition, Sialorphin also produces antinociceptive responses, regulates sexual behavior, relaxes corpus cavernosum smooth muscle, and alleviates experimental colitis. Sialorphin is also a copper (II) ion-binding ligand. Sialorphin has been used in mechanistic studies related to cancer, pain management and inflammatory bowel disease .

Art. -Nr.	Produktname	Category	Target	Chemical Structure

HY-P1866A

β-Endorphin, equine TFA 1 Publications Verification	Natürliche Produkte Endogenous metabolite Source Classification	Opioid Receptor
β-Endorphin, equine TFA is an endogenous opioid peptide, which binds at high affinity to both μ/δ opioid receptors. β-Endorphin, equine TFA has analgesic properties .

HY-A0115R

Ramiprilat (Standard) HOE 498 diacid (Standard); Ramipril diacid (Standard)	Structural Classification Alkaloids Pyrrole Alkaloids Endogenous metabolite Source Classification	Drug Metabolite Reference Standards Angiotensin-converting Enzyme (ACE) Endogenous Metabolite
Alvimopan (dihydrate) (Standard) is the analytical standard of Alvimopan (dihydrate). This product is intended for research and analytical applications. Alvimopan dihydrate (ADL 8-2698 dihydrate) is a potent, selective, orally active and reversible μ-opioid receptor antagonist, with an IC50 of 1.7 nM. Alvimopan dihydrate has selectivity for μ-opioid receptor (Ki=0.47 nM) over κ- and δ-opioid receptors (Kis=100, 12 nM, respectively). Alvimopan dihydrate can be used for the research of postoperative ileus .

HY-P1866

β-Endorphin, equine	Natürliche Produkte Endogenous metabolite Source Classification	Opioid Receptor
β-Endorphin, equine is an endogenous opioid peptide, which binds at high affinity to both μ/δ opioid receptors . Analgesic properties .

HY-N12302A

(E/Z)-Scotanamine D (E/Z)-N1-Dihydrocaffeoyl, N10-caffeoyl spermidine	Structural Classification Alkaloids Other Alkaloids Anisodus tanguticus (Maxinowicz) Pascher Solanaceae Plants Source Classification	Drug Derivative
(E/Z)-Scotanamine D is a hydroxycinnamic acid amide found in the roots of Scopolia tangutica. (E/Z)-Scotanamine D is inactive against μ-, δ-, and κ-opioid receptors .

Art. -Nr.	Produktname	Chemical Structure

HY-G0021S1

N-Desmethylclozapine-d8 hydrochloride

N-Desmethylclozapine-d₈ (hydrochloride) is the deuterium labeled N-Desmethylclozapine hydrochloride. N-Desmethylclozapine hydrochloride is a major active metabolite of the atypical antipsychotic agent Clozapine. N-Desmethylclozapine hydrochloride is a potent, allosteric and partial M1 receptors agonist (EC₅₀=115 nM) and is able to potentiate hippocampal N-methyl-d-aspartate (NMDA) receptor currents through M1 receptor activation. N-Desmethylclozapine hydrochloride is also a δ-opioid agonist .

HY-123689S1

Samidorphan-d5

Samidorphan-d5 (ALKS-33-d5) is is a deuterated compound of Samidorphan. Samidorphan is an orally active opioid system modulator that binds with high affinity to μ-opioid, κ-opioid, and δ-opioid receptors. Samidorphan is a μ-opioid receptor antagonist and a partial agonist at k-opioid and δ-opioid receptors. Samidorphan acts primarily as an opioid receptor antagonist in vivo .

HY-G0021S

N-Desmethylclozapine-d8

N-Desmethylclozapine-d₈ is the deuterium labeled N-Desmethylclozapine. N-Desmethylclozapine is a major active metabolite of the atypical antipsychotic agent Clozapine. N-Desmethylclozapine is a potent, allosteric and partial M1 receptors agonist (EC₅₀=115 nM) and is able to potentiate hippocampal N-methyl-d-aspartate (NMDA) receptor currents through M1 receptor activation. N-Desmethylclozapine is also a δ-opioid agonist .

HY-90003S

Tianeptine-d12

Tianeptine-d₁₂ is a deuterated analog of Tianeptine (HY-90003).Tianeptine is an atypical antidepressant. Tianeptine is a moderate-intensity agonist of the μ-opioid receptor (MOR), and to a lesser extent, is an agonist of the δ-opioid receptor (DOR). Tianeptine is a glutamate modulator that can enhance AMPA receptor and antagonize NMDA receptor. Tianeptine increases sensitivity of the α1 adrenergic receptor, which only manifests in chronic treatment. Tianeptine exerts neuroprotective effects under stress/inflammation-induced conditions, exhibiting anti-inflammatory and antioxidant properties. Tianeptine inhibits MMP-9 by suppressing the PI3K/Akt-mediated NF-κB pathway. Tianeptine can be used to alleviate symptoms of depression and anxiety, but does not cause sedative effects.

HY-123689S

Samidorphan-d4

Samidorphan-d4 is the deuterium labeled Samidorphan(HY-123689).Samidorphan (ALKS-33) is an orally active opioid system modulator that has a high affinity for binding with μ‐opioid, κ‐opioid, and δ‐opioid receptors. Samidorphan acts as an antagonist at μ‐opioid receptors and acts as a partial agonist at k-opioid and δ‐opioid receptors. Samidorphan primarily acts as an opioid receptor antagonist in vivo .

HY-144224S

Tianeptine-d6 hydrochloride

Tianeptine-d₆ hydrochloride is the deuterium labeled Tianeptine hydrochloride. Tianeptine hydrochloride is an atypical antidepressant. Tianeptine hydrochloride is a moderate-intensity agonist of the μ-opioid receptor (MOR), and to a lesser extent, is an agonist of the δ-opioid receptor (DOR). Tianeptine hydrochloride is a glutamate modulator that can enhance AMPA receptor and antagonize NMDA receptor. Tianeptine hydrochloride increases sensitivity of the α1 adrenergic receptor, which only manifests in chronic treatment. Tianeptine hydrochloride exerts neuroprotective effects under stress/inflammation-induced conditions, exhibiting anti-inflammatory and antioxidant properties. Tianeptine hydrochloride inhibits MMP-9 by suppressing the PI3K/Akt-mediated NF-κB pathway. Tianeptine hydrochloride can be used to alleviate symptoms of depression and anxiety, but does not cause sedative effects.

HY-13243S1

Alvimopan-d7

Alvimopan-d₇ (ADL 8-2698-d₇) is deuterium labeled Alvimopan. Alvimopan (ADL 8-2698) is a potent, selective, orally active and reversible μ-opioid receptor antagonist, with an IC₅₀ of 1.7 nM. Alvimopan has selectivity for μ-opioid receptor (K_i=0.47 nM) over κ- and δ-opioid receptors (K_is=100, 12 nM, respectively). Alvimopan can be used for the research of postoperative ileus .

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