MCOPPB 3HCl is a novel and potent nonpeptide agonist of nociceptin receptor with pKi of 10.07 and may be used as an anxiolytic agent. MCOPPB has a high affinity for the human NOP [N/OFQ (nociceptin/orphanin FQ) peptide] receptor (pKi = 10.07 +/- 0.01) and selectivity for the NOP receptor over other members of the opioid receptor family: 12-, 270- and >1000-fold more selective for the NOP receptor than for the micro-, kappa-, and delta-receptor, respectively. In an ex vivo binding study, MCOPPB (10 mg/kg, p.o.) inhibited signaling through the NOP receptor in the mouse brain, suggesting that it penetrated into the brain after it was orally administered. In the mouse Vogel conflict test, MCOPPB (10 mg/kg, p.o.) and diazepam (3 mg/kg, p.o.) elicited anxiolytic-like effects, although MCOPPB produced a bell-shaped response curve. In addition, MCOPPB (10 mg/kg, p.o.) was still effective as an anxiolytic agent even after repeated administration for 5 days. MCOPPB at an oral dose of 10 mg/kg did not affect locomotor activity or memory, nor did it contribute to ethanol-induced hypnosis. On the other hand, the benzodiazepine-type anxiolytic agent diazepam caused memory deficits and enhanced ethanol-induced hypnosis. These findings suggest that MCOPPB - a compound with few adverse effects on the central nervous system - is a potential therapeutic agent for the treatment of anxiety.
Physicochemical Properties
| Molecular Formula | C26H43CL3N4 | |
| Molecular Weight | 518.01 | |
| Exact Mass | 516.255 | |
| CAS # | 1108147-88-1 | |
| Related CAS # | 1108147-88-1(HCl);1028969-49-4; | |
| PubChem CID | 25208093 | |
| Appearance | White to off-white solid powder | |
| LogP | 8.315 | |
| Hydrogen Bond Donor Count | 4 | |
| Hydrogen Bond Acceptor Count | 3 | |
| Rotatable Bond Count | 3 | |
| Heavy Atom Count | 33 | |
| Complexity | 535 | |
| Defined Atom Stereocenter Count | 1 | |
| SMILES | CC1(N2CCC(N3C4=CC=CC=C4N=C3[C@H]5CNCCC5)CC2)CCCCCCC1.[H]Cl.[H]Cl.[H]Cl |
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| InChi Key | DTIPEVOPCGEULQ-RFCADEKQSA-N | |
| InChi Code | InChI=1S/C26H40N4.3ClH/c1-26(15-7-3-2-4-8-16-26)29-18-13-22(14-19-29)30-24-12-6-5-11-23(24)28-25(30)21-10-9-17-27-20-21;;;/h5-6,11-12,21-22,27H,2-4,7-10,13-20H2,1H3;3*1H/t21-;;;/m1.../s1 | |
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| HS Tariff Code | 2934.99.9001 | |
| Storage |
Powder-20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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| Shipping Condition | Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs) |
Biological Activity
| References | J Pharmacol Sci.2008 Mar;106(3):361-8;J Med Chem.2009 Feb 12;52(3):610-25. |
Solubility Data
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| Solubility (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples. Injection Formulations (e.g. IP/IV/IM/SC) Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] *Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin → 500 μL Saline) Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO → 100 μLPEG300 → 200 μL castor oil → 650 μL Saline) Injection Formulation 7: Ethanol : Cremophor : Saline = 10： 10 : 80 (i.e. 100 μL Ethanol → 100 μL Cremophor → 800 μL Saline) Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH → 900 μL Corn oil) Injection Formulation 10: EtOH : PEG300：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Oral Formulations Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). Oral Formulation 3: Dissolved in PEG400 Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose Oral Formulation 6: Mixing with food powders Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently. (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 1.9305 mL | 9.6523 mL | 19.3046 mL | |
| 5 mM | 0.3861 mL | 1.9305 mL | 3.8609 mL | |
| 10 mM | 0.1930 mL | 0.9652 mL | 1.9305 mL |