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Purity: ≥98%
Ro 10-5824 is a novel, potent and selective partial agonist of dopamine D4 receptor with Ki of 5.2 nM. RO10-5824 has the potential for the treatment of cocaine use disorders. The identification of effective medications for the management of cocaine use disorders remains an unmet public health challenge. In view of the prominent role of dopaminergic mechanisms in cocaine's abuse-related effects, research has focused on the development of subtype-selective dopamine D1-4 receptor antagonists.
| ln Vivo |
Rationale: Growing evidence suggests that dopamine D4 receptors (D4Rs) are involved in controlling executive functions. We have previously demonstrated that Ro 10-5824, a D4R partial agonist, improves the performance of common marmosets in the object retrieval detour (ORD) task. However, the neural mechanisms underlying this improvement are unknown.
Objectives: We investigated the behavioral and neurophysiological effects of Ro 10-5824 in common marmosets.
Methods: The effects of Ro 10-5824 on cognitive function were evaluated using the ORD task. The neurophysiological effects of Ro 10-5824 were investigated by quantitative electroencephalography, especially on baseline gamma band activity in the frontal cortex. The effects of Ro 10-5824 on spontaneous locomotion were also assessed.
Results: Systemic administration of Ro 10-5824 at 3 mg/kg significantly increased the success rate in the ORD task. At doses of 1 and 3 mg/kg, Ro 10-5824 increased baseline gamma band activity in the frontal cortex. Ro 10-5824 had no effect on spontaneous locomotion.
Conclusions: Activation of D4R by Ro 10-5824 improves the success rate in the ORD task and increases baseline gamma band activity in the frontal cortex without affecting locomotion in common marmosets. These findings highlight the role of D4R in gamma oscillations of non-human primates. As gamma oscillations are thought to be involved in attention and behavioral inhibition, our results suggest D4R agonists may improve these cognitive functions by modulating baseline gamma band activity in the frontal cortex.
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| References | |
| Additional Infomation |
2-methyl-5-[(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)methyl]-4-pyrimidinamine is an aminopyrimidine.
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| Molecular Formula |
C17H20N4.2[HCL]
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|---|---|
| Molecular Weight |
353.28938
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| Exact Mass |
352.122
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| Elemental Analysis |
C, 72.83; H, 7.19; N, 19.98
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| CAS # |
189744-46-5
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| Related CAS # |
189744-46-5; 189744-94-3 (2HCl-dihydrochloride salt)
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| PubChem CID |
16759175
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| Appearance |
Solid powder
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| Boiling Point |
506.2ºC at 760 mmHg
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| Flash Point |
260ºC
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| Vapour Pressure |
1.28E-10mmHg at 25°C
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| LogP |
4.779
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| Hydrogen Bond Donor Count |
1
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| Hydrogen Bond Acceptor Count |
4
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| Rotatable Bond Count |
3
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| Heavy Atom Count |
21
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| Complexity |
362
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| Defined Atom Stereocenter Count |
0
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| SMILES |
Cl.Cl.C1(C2=CCN(CC3=CN=C(C)N=C3N)CC2)C=CC=CC=1
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| InChi Key |
KABDATZAOUSYES-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C17H20N4/c1-13-19-11-16(17(18)20-13)12-21-9-7-15(8-10-21)14-5-3-2-4-6-14/h2-7,11H,8-10,12H2,1H3,(H2,18,19,20)
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| Chemical Name |
2-methyl-5-((4-phenyl-5,6-dihydropyridin-1(2H)-yl)methyl)pyrimidin-4-amine
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| Synonyms |
RO10-5824; RO 10-5824; RO-10-5824; RO105824; RO 105824; RO-105824.
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
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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
Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *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). View More
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)] 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). View More
Oral Formulation 3: Dissolved in PEG400 (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.8305 mL | 14.1527 mL | 28.3054 mL | |
| 5 mM | 0.5661 mL | 2.8305 mL | 5.6611 mL | |
| 10 mM | 0.2831 mL | 1.4153 mL | 2.8305 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
Products are for research use only; We do not sell to patients
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