Opioid Receptor Inhibitors

μ Opioid Receptor/MOR

κ Opioid Receptor/KOR

δ Opioid Receptor/DOR

NOP Receptor/ORL1

Opioid Receptor Inhibitors, Agonists, Antagonists, Activators, Modulators & Ligands

Product Name	μ Opioid Receptor/MOR	κ Opioid Receptor/KOR	δ Opioid Receptor/DOR	NOP Receptor/ORL1	Purity
DAMGO	μ Opioid Receptor/MOR				99.87%
Matrine	μ Opioid Receptor/MOR	κ Opioid Receptor/KOR			98.0%
Sunobinop TFA				NOP Receptor/ORL1, Ki: 3.3 nM	98.26%
Sialorphin TFA	μ Opioid Receptor/MOR	κ Opioid Receptor/KOR	δ Opioid Receptor/DOR
Sinomenine	μ Opioid Receptor/MOR				99.96%
Norbinaltorphimine dihydrochloride		κ Opioid Receptor/KOR			98.91%
Dynorphin A		κ Opioid Receptor/KOR
Aticaprant		κ Opioid Receptor/KOR			99.59%
Sinomenine hydrochloride	μ Opioid Receptor/MOR				99.89%
Naltrexone	μ Opioid Receptor/MOR	κ Opioid Receptor/KOR	δ Opioid Receptor/DOR		99.94%
SNC80			δ Opioid Receptor/DOR		99.82%
β-Endorphin, human			δ Opioid Receptor/DOR		98.94%
Salvinorin B		κ Opioid Receptor/KOR			99.90%
Difelikefalin		κ Opioid Receptor/KOR			99.98%
JTC-801				NOP Receptor/ORL1	98.67%
Mianserin hydrochloride		κ Opioid Receptor/KOR			99.95%
DPDPE			δ Opioid Receptor/DOR		99.61%
Corydaline	μ Opioid Receptor/MOR				99.70%
Endomorphin 1	μ Opioid Receptor/MOR, Ki: 1.11 nM				99.92%
PZM21	μ Opioid Receptor/MOR				99.87%
SB-612111 hydrochloride				NOP Receptor/ORL1	99.64%
Naldemedine tosylate	μ Opioid Receptor/MOR
U-69593		κ Opioid Receptor/KOR			99.73%
nor-Binaltorphimine		κ Opioid Receptor/KOR			98.70%
[Met5]-Enkephalin, amide TFA			δ Opioid Receptor/DOR		99.58%
Kukoamine A	μ Opioid Receptor/MOR				99.88%
Navacaprant	μ Opioid Receptor/MOR, IC₅₀: 110 nM	κ Opioid Receptor/KOR, IC₅₀: 0.8 nM	δ Opioid Receptor/DOR, IC₅₀: 6500 nM		99.88%
ADL-5859 hydrochloride			δ Opioid Receptor/DOR		98.96%
CTAP TFA	μ Opioid Receptor/MOR, IC₅₀: 3.5 nM		δ Opioid Receptor/DOR, IC₅₀: 4500 nM		99.60%
Porcine dynorphin A(1-13)		κ Opioid Receptor/KOR			99.85%
BMS-986122	μ Opioid Receptor/MOR				99.90%
LY2940094				NOP Receptor/ORL1	99.17%
Dermorphin	μ Opioid Receptor/MOR				99.36%
Dynorphin A (1-8)		κ Opioid Receptor/KOR			99.88%
N-Desmethylclozapine			δ Opioid Receptor/DOR		99.10%
Deltorphin I			δ Opioid Receptor/DOR
β-Funaltrexamine hydrochloride	μ Opioid Receptor/MOR				99.07%
Mianserin		κ Opioid Receptor/KOR			99.42%
Tianeptine	μ Opioid Receptor/MOR		δ Opioid Receptor/DOR		99.84%
Dynorphin A (1-10) TFA		κ Opioid Receptor/KOR			98.64%
SR17018	μ Opioid Receptor/MOR				99.22%
Trimebutine	μ Opioid Receptor/MOR				99.42%
DAMGO TFA	μ Opioid Receptor/MOR				99.52%
CTOP TFA	μ Opioid Receptor/MOR				99.84%
Sec-O-Glucosylhamaudol	μ Opioid Receptor/MOR				99.81%
Deltorphin 2 TFA			δ Opioid Receptor/DOR		99.93%
SNC162			δ Opioid Receptor/DOR		99.72%
(±)-J-113397				NOP Receptor/ORL1	99.82%
Trimebutine maleate	μ Opioid Receptor/MOR				99.66%
CCG258747	μ Opioid Receptor/MOR				98.96%
TAN-452			δ Opioid Receptor/DOR		99.16%
BAN ORL 24				NOP Receptor/ORL1	99.68%
Tianeptine sodium salt	μ Opioid Receptor/MOR		δ Opioid Receptor/DOR		99.90%
Alvimopan dihydrate	μ Opioid Receptor/MOR				98.66%
CYM51010	μ Opioid Receptor/MOR				99.12%
BMS-986187			δ Opioid Receptor/DOR		99.66%
CTAP	μ Opioid Receptor/MOR, IC₅₀: 3.5 nM		δ Opioid Receptor/DOR, IC₅₀: 4500 nM		99.30%
Adrenorphin	μ Opioid Receptor/MOR				98.84%
J-113397	μ Opioid Receptor/MOR, Ki: 1000 ± 160 nM	κ Opioid Receptor/KOR, Ki: 640 ± 87 nM	δ Opioid Receptor/DOR, Ki: >10000 nM	NOP Receptor/ORL1, Ki: 1.8 ± 0.24 nM	99.00%
Morphiceptin	μ Opioid Receptor/MOR				99.07%
GSK1521498 free base	μ Opioid Receptor/MOR				99.79%
Ro 64-6198				NOP Receptor/ORL1	≥99.0%
Endomorphin 2 TFA	μ Opioid Receptor/MOR				99.04%
ICI 174864			δ Opioid Receptor/DOR		98.84%
Asimadoline hydrochloride		κ Opioid Receptor/KOR			99.57%
Loperamide	μ Opioid Receptor/MOR, : 3	κ Opioid Receptor/KOR, : 1156	δ Opioid Receptor/DOR, : 48		99.85%
Naloxonazine dihydrochloride	μ Opioid Receptor/MOR, IC₅₀: 5.4 nM				98.1%
KNT-127			δ Opioid Receptor/DOR		99.11%
ICI-199441 hydrochloride		κ Opioid Receptor/KOR			99.30%
5'-Guanidinonaltrindole hydrochloride	human μ-opioid receptor, Ki: 36.9 nM human μ-opioid receptor, pA2: 8.49				98.65%
UFP-101 TFA				NOP Receptor/ORL1	99.36%
[D-Ala2]leucine-enkephalin			δ Opioid Receptor/DOR		98.92%
Bevenopran	μ Opioid Receptor/MOR				99.09%
β-Endorphin, equine TFA	μ Opioid Receptor/MOR		δ Opioid Receptor/DOR
Corydine	μ Opioid Receptor/MOR, EC₅₀: 0.51 μM μ Opioid Receptor/MOR, Ki: 2.82 μM				99.93%
BMS-986121	μ Opioid Receptor/MOR				99.96%
LY255582	μ Opioid Receptor/MOR, Ki: 0.4 nM	κ Opioid Receptor/KOR, Ki: 2.0 nM	δ Opioid Receptor/DOR, Ki: 5.2 nM		98.0%
DPDPE TFA			δ Opioid Receptor/DOR		99.81%
Gluten Exorphin C	μ Opioid Receptor/MOR		δ Opioid Receptor/DOR		99.86%
AR-M 1000390 hydrochloride			δ Opioid Receptor/DOR		98.20%
Noribogaine hydrochloride	μ Opioid Receptor/MOR	κ Opioid Receptor/KOR			99.9%
Dalargin			δ Opioid Receptor/DOR		98.12%
Endomorphin 1 acetate	μ Opioid Receptor/MOR, Ki: 1.11 nM				99.92%
Nociceptin (1-13), amide TFA				NOP Receptor/ORL1	99.87%
Dynorphin B (1-13) TFA		κ Opioid Receptor/KOR			99.58%
NPFF1-R antagonist 1	μ Opioid Receptor/MOR, Ki: 3560 ± 364 nM	κ Opioid Receptor/KOR, Ki: 1390 ± 147 nM	δ Opioid Receptor/DOR, Ki: 1540 ± 132 nM		99.38%
Deltorphin 2			δ Opioid Receptor/DOR
MT-7716 hydrochloride				NOP Receptor/ORL1	99.06%
GR103545 fumarate		κ Opioid Receptor/KOR
TAN-67 dihydrobromide			δ Opioid Receptor/DOR, Ki: 0.647 nM		99.20%
Acetyl tetrapeptide-15	μ Opioid Receptor/MOR				99.64%
LY2444296		κ Opioid Receptor/KOR			99.26%
DIPPA hydrochloride		κ Opioid Receptor/KOR			99.7%
Samidorphan-d₅	μ Opioid Receptor/MOR	κ Opioid Receptor/KOR	δ Opioid Receptor/DOR
Alvimopan monohydrate	μ Opioid Receptor/MOR				99.18%
Sunobinop				NOP Receptor/ORL1, Ki: 3.3 nM
PF-04455242		human κ-opioid receptor (hKOR), Ki: 3.0 nM
GSK1521498 free base hydrochloride	μ Opioid Receptor/MOR
AT-076	μ Opioid Receptor/MOR, IC₅₀: 1.67 nM	κ Opioid Receptor/KOR, IC₅₀: 1.14 nM	δ Opioid Receptor/DOR, IC₅₀: 19.6 nM	NOP Receptor/ORL1, IC₅₀: 1.75 nM
Picenadol hydrochloride	μ Opioid Receptor/MOR
SC13	μ Opioid Receptor/MOR
BRL-52656		κ Opioid Receptor/KOR
SalA-VS-07		κ Opioid Receptor/KOR
Lexanopadol	μ Opioid Receptor/MOR			NOP Receptor/ORL1
NAQ	μ Opioid Receptor/MOR, Ki: 0.55 nM	κ Opioid Receptor/KOR, Ki: 26.45 nM	δ Opioid Receptor/DOR, Ki: 132.50 nM
KOR agonist-9	μ Opioid Receptor/MOR, Ki: 0.20 nM	κ Opioid Receptor/KOR, Ki: 0.0016 nM κ Opioid Receptor/KOR, EC₅₀: 1.41 nM	δ Opioid Receptor/DOR, Ki: 15.15 nM
MK-5757				NOP
TRV0109101	human μ-opioid receptor, Kd: 70 nM
KOR agonist 4	human μ-opioid receptor, Ki: 280 nM	human κ-opioid receptor (hKOR), EC₅₀: 14 nM human κ-opioid receptor (hKOR), Ki: 4.8 nM	δ Opioid Receptor/DOR, Ki: 3900 nM
N-Desmethylclozapine-d₈			δ Opioid Receptor/DOR		98.73%
Nociceptin (1-13), amide				NOP Receptor/ORL1
Mu opioid receptor antagonist 4	μ Opioid Receptor/MOR
SB-612111				NOP Receptor/ORL1
Bilaid C	human μ-opioid receptor, Ki: 210 nM
Dermorphin TFA	μ Opioid Receptor/MOR
DALDA	μ Opioid Receptor/MOR, Ki: 1.69 nM	κ Opioid Receptor/KOR, Ki: 4230 nM	δ Opioid Receptor/DOR, Ki: 19200 nM
[(pF)Phe4]Nociceptin(1-13)NH2 TFA				NOP Receptor/ORL1
KOR/DOR agonist 1	μ Opioid Receptor/MOR, Ki: 0.93 nM	κ Opioid Receptor/KOR, Ki: 0.14 nM	δ Opioid Receptor/DOR, Ki: 0.2 nM
Acetalin-3	μ Opioid Receptor/MOR
DS34942424	μ Opioid Receptor/MOR
Picenadol	μ Opioid Receptor/MOR
Sameridine	μ Opioid Receptor/MOR
NOP antagonist 1				NOP, Kb: 8.65 nM
3,4-Methylenedioxy U-47700 hydrochloride	μ Opioid Receptor/MOR
SR-14968	μ Opioid Receptor/MOR, EC₅₀: 88 nM
Bilaid A1e	μ Opioid Receptor/MOR, Ki: 750 nM
LY2048978	μ Opioid Receptor/MOR, Ki: 0.287 nM	κ Opioid Receptor/KOR, Ki: 0.471 nM	δ Opioid Receptor/DOR, Ki: 1.05 nM
Mu opioid receptor antagonist 5	μ Opioid Receptor/MOR
Perillyl acetate	μ Opioid Receptor/MOR
(N-Me-Tyr1,N-Me-Arg7,D-Leu-NHEt8)-Dynorphin A (1-8)		κ Opioid Receptor/KOR
Niravoline		κ Opioid Receptor/KOR
μ Opioid receptor agonist 4	μ Opioid Receptor/MOR
SRI-22136	μ Opioid Receptor/MOR, IC₅₀: 370 nM	κ Opioid Receptor/KOR, IC₅₀: 54 nM	δ Opioid Receptor/DOR, IC₅₀: 0.42 nM
Mu opioid receptor antagonist 3	μ Opioid Receptor/MOR
AP-238	μ Opioid Receptor/MOR, EC₅₀: 248 nM
6-Fluoro-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole	human μ-opioid receptor	human κ-opioid receptor (hKOR)	δ Opioid Receptor/DOR
M119	μ Opioid Receptor/MOR
KOR agonist 2		κ Opioid Receptor/KOR, Ki: 1.9 nM
AT-121 hydrochloride	μ Opioid Receptor/MOR
MT-7716 free base				NOP Receptor/ORL1
MDAN-21	μ Opioid Receptor/MOR		δ Opioid Receptor/DOR
Nociceptin(1-7)				NOP Receptor/ORL1
Mu opioid receptor antagonist 2	μ Opioid Receptor/MOR
Dynorphin A TFA		κ Opioid Receptor/KOR
rel-SB-612111 hydrochloride				NOP Receptor/ORL1
PIPE-3297		κ Opioid Receptor/KOR, EC₅₀: 1.1 nM
[DPen2, Pen5] Enkephalin			δ Opioid Receptor/DOR
GSK1521498	μ Opioid Receptor/MOR
Methocinnamox	μ Opioid Receptor/MOR, Ki: 0.6 nM	κ Opioid Receptor/KOR, Ki: 4.9 nM	δ Opioid Receptor/DOR, Ki: 2.2 nM
Mu opioid receptor antagonist 9	μ Opioid Receptor/MOR, Ki: 77.3 nM	κ Opioid Receptor/KOR, Ki: 681 nM	δ Opioid Receptor/DOR, Ki: 4182 nM
Trap-101 hydrochloride				NOP Receptor/ORL1
Anrikefon		κ Opioid Receptor/KOR
Amdakefalin	μ Opioid Receptor/MOR		δ Opioid Receptor/DOR
ZP 120C				NOP Receptor/ORL1
SYK-1106 dihydrochloride	μ Opioid Receptor/MOR, Ki: 9.54 nM	κ Opioid Receptor/KOR, Ki: 2.45 nM	δ Opioid Receptor/DOR, EC₅₀: 0.089 nM δ Opioid Receptor/DOR, Ki: 0.848 nM
Tyr-Ala-N-(1,3-dimethylbutyl)glycinamide	μ Opioid Receptor/MOR, IC₅₀: 237 nM μ Opioid Receptor/MOR, Ki: 17 nM		δ Opioid Receptor/DOR, IC₅₀: 1050 nM δ Opioid Receptor/DOR, Ki: 480 nM
3-Carboxamidonaltrexone	μ Opioid Receptor/MOR, Ki: 1.9 nM	κ Opioid Receptor/KOR, Ki: 22 nM	δ Opioid Receptor/DOR, Ki: 110 nM
Eseroline	μ Opioid Receptor/MOR
KOR agonist 1	μ Opioid Receptor/MOR, EC₅₀: 701.2 nM	κ Opioid Receptor/KOR, EC₅₀: 3.4 nM	δ Opioid Receptor/DOR, EC₅₀: 1649 nM
[Met5]-Enkephalin, amide			δ Opioid Receptor/DOR
AZD-2327			δ Opioid Receptor/DOR
MOR antagonist 2 hydrochloride	μ Opioid Receptor/MOR, IC₅₀: 28.37 nM μ Opioid Receptor/MOR, EC₅₀: 4.25 nM μ Opioid Receptor/MOR, Ki: 0.18 nM
TRPV1 antagonist 11	μ Opioid Receptor/MOR, Ki: 60.3 nM
CJ-15161		κ Opioid Receptor/KOR
Mu opioid receptor antagonist 7	μ Opioid Receptor/MOR, IC₅₀: 29 ± 3.0 nM
DPI-3290		κ Opioid Receptor/KOR	δ Opioid Receptor/DOR
N-Benzylnaltrindole hydrochloride			δ Opioid Receptor/DOR
SHR0687	μ Opioid Receptor/MOR, EC₅₀: >50000 nM	κ Opioid Receptor/KOR, EC₅₀: 0.53 pM	δ Opioid Receptor/DOR, EC₅₀: >50000 nM
Dynorphin A (1-10)		κ Opioid Receptor/KOR
Akuammidine		κ Opioid Receptor/KOR
Mu opioid receptor antagonist 1	μ Opioid Receptor/MOR
K-Opioid receptor agonist-1	μ Opioid Receptor/MOR, Ki: 43 nM	κ Opioid Receptor/KOR, Ki: 0.25 nM	δ Opioid Receptor/DOR, Ki: 58 nM
Ac-RYYRWK-NH2 TFA				NOP Receptor/ORL1
RU-24213 hydrochloride		κ Opioid Receptor/KOR
SYK-1106	μ Opioid Receptor/MOR, Ki: 9.54 nM	κ Opioid Receptor/KOR, Ki: 2.45 nM	δ Opioid Receptor/DOR, Ki: 0.848 nM
β-Funaltrexamine	μ Opioid Receptor/MOR
μ opioid receptor agonist 3	μ Opioid Receptor/MOR, EC₅₀: 0.82 nM
BAM-12P		human κ-opioid receptor (hKOR), EC₅₀: 101 nM human κ-opioid receptor (hKOR), pEC₅₀: 6.99
ID110460002	μ Opioid Receptor/MOR		δ Opioid Receptor/DOR
Naloxegol-d₅ oxalate	μ Opioid Receptor/MOR
Nociceptin(1-7) TFA				NOP Receptor/ORL1
MOR modulator-1	μ Opioid Receptor/MOR, Ki: 0.25 nM	κ Opioid Receptor/KOR, Ki: 1.3 nM	δ Opioid Receptor/DOR, Ki: 41.1 nM
MPAM-15	μ Opioid Receptor/MOR
(±)-U-50488		κ Opioid Receptor/KOR
UFP-101				NOP Receptor/ORL1
BNTX			δ Opioid Receptor/DOR
TRK-851			δ Opioid Receptor/DOR, pA2: 8.84
KOR agonist 7		κ Opioid Receptor/KOR, Ki: 138 nM
BU72	μ Opioid Receptor/MOR, EC₅₀: 0.054 nM	κ Opioid Receptor/KOR, EC₅₀: 0.033 nM	δ Opioid Receptor/DOR, EC₅₀: 0.58 nM
(+)-U-50488		κ Opioid Receptor/KOR
Acetalin-1	μ Opioid Receptor/MOR
CTOP	μ Opioid Receptor/MOR
Deltorphin I TFA			δ Opioid Receptor/DOR
Axelopran	human μ-opioid receptor, pKi: 9.8	guinea pig κ-opioid receptor, pKi: 9.9	δ Opioid Receptor/DOR, pKi: 8.8
Trimebutine-d₃ hydrochloride	μ Opioid Receptor/MOR
δ opioid receptor antagonist 1			δ Opioid Receptor/DOR, Ki: 1.7 nM
Ondelopran	μ Opioid Receptor/MOR	κ Opioid Receptor/KOR	δ Opioid Receptor/DOR
Opioid receptor agonist 1	μ Opioid Receptor/MOR, Ki: 5 nM	κ Opioid Receptor/KOR, Ki: 212 nM	δ Opioid Receptor/DOR, Ki: 24 nM
MOR agonist-2	μ Opioid Receptor/MOR
α-Endorphin (human)	μ Opioid Receptor/MOR
ID110460001	μ Opioid Receptor/MOR		δ Opioid Receptor/DOR
Dermorphin Analog	μ Opioid Receptor/MOR
Trimebutine-d₅ fumarate	μ Opioid Receptor/MOR
DSLET			δ Opioid Receptor/DOR
MOR agonist-5	μ Opioid Receptor/MOR, EC₅₀: 0.25 nM	κ Opioid Receptor/KOR, EC₅₀: >10000 nM	δ Opioid Receptor/DOR, EC₅₀: 10 nM	NOP Receptor/ORL1, EC₅₀: >10000 nM
Ketazocine		κ Opioid Receptor/KOR
RM1490	μ Opioid Receptor/MOR, IC₅₀: ≤ 300 nM	κ Opioid Receptor/KOR, IC₅₀: ≤ 300 nM	δ Opioid Receptor/DOR, EC₅₀: > 3000 nM
ICI-199441		κ Opioid Receptor/KOR
KOR agonist 6	μ Opioid Receptor/MOR, Ki: 14.1 nM μ Opioid Receptor/MOR, EC₅₀: 44.78 nM	κ Opioid Receptor/KOR, Ki: 0.25 pM	δ Opioid Receptor/DOR, Ki: 120.7 nM δ Opioid Receptor/DOR, EC₅₀: 15.26 nM
FEKAP		κ Opioid Receptor/KOR, Ki: 0.43 nM
Trimebutine maleate (Standard)	μ Opioid Receptor/MOR
7-PET	μ Opioid Receptor/MOR
RX809055AX	μ Opioid Receptor/MOR		δ Opioid Receptor/DOR
R-84760		κ Opioid Receptor/KOR
U-48520	μ Opioid Receptor/MOR, EC₅₀: 1561 nM
Salvinorin A propionate		κ Opioid Receptor/KOR
Tramadol N-oxide	μ Opioid Receptor/MOR, Ki: 38.5 μM
CHIR 4531	μ Opioid Receptor/MOR, Ki: 6 nM
Picraline	μ Opioid Receptor/MOR, Ki: 132 μM	κ Opioid Receptor/KOR, Ki: 2.38 μM	δ Opioid Receptor/DOR, Ki: 98.8 μM
Trimebutine (Standard)	μ Opioid Receptor/MOR
Salvinorin A carbamate		κ Opioid Receptor/KOR, EC₅₀: 6.2 nM
Endomorphin 2	μ Opioid Receptor/MOR

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