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RimonabantCB1 receptor antagonist

Rimonabant

Catalog No. B1429
Size Price Stock Qty
10mM (in 1mL DMSO) $55.00 In stock
25mg $90.00 In stock
100mg $250.00 In stock
1g $1,500.00 In stock

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Sample solution is provided at 25 µL, 10mM.

Product Citations

1. He X, Yang L, et al. "Targeting the Endocannabinoid/CB1 Receptor System For Treating Major Depression Through Antidepressant Activities of Curcumin and Dexanabinol-Loaded Solid Lipid Nanoparticles." Cell Physiol Biochem. 2017 Aug 17;42(6):2281-2294. PMID:28848078

Quality Control

Chemical structure

Rimonabant

Related Biological Data

Rimonabant

Protocol

Kinase experiment [1]:

Radioligand Binding Assay

Human CB1 and CB2 stably transfect HEK 293 cells and cell membrane is purified. 0.2-8 μg of the purified membrane is incubated with 0.75 nM [3H] CP55,940 and Rimonabant in the incubation buffer (50 mM Tris-HCl, 5 mM MgCl2, 1 mM EDTA, 0.3%BSA, pH 7.4). The non-specific binding is defined in the presence of 1 μM of CP55,940. The reactions are incubated for one and a half hours at 30 °C in Multiscreen. The reactions are terminated by manifold filtration and washed four times with ice-cold wash buffer (50mM Tris, pH 7.4, 0.25% BSA).The radioactivity bound to the filters is measured by Topcount. The IC50 is determined as the concentration of Rimonabant required to inhibit 50% of the binding of [3H] CP55,940 and calculated by non-linear regression.

Cell experiment [2, 3]:

Cell lines

Peripheral blood mononuclear cells (PBMC); keratinocyte cell line (C5N cells)

Preparation method

The solubility of this compound in DMSO is >10 mM. General tips for obtaining a higher concentration: Please warm the tube at 37℃ for 10 minutes and/or shake it in the ultrasonic bath for a while. Stock solution can be stored below -20℃ for several months.

Reacting condition

Patients received rimonabant 20 mg daily, for 4 weeks; or 0.3–10 μM for 24 h and 48 h

Applications

Treatment with rimonabant in peripheral blood mononuclear cells (PBMC) did not induce significant changes of monocytes, B cells, total T cells or T cell subsets. Moreover, there was a small but significant increase in CD16+, CD3–, and/or CD56+ cells after rimonabant therapy. Additionally, Rimonabant reduced keratinocyte cell line (C5N cells) viability by induction of apoptosis.

Animal experiment [2]:

Animal models

Male CD-1 mice model

Dosage form

0.1,0.3, and 1.0μmol·cm-2 for 6 h or 24 h

Applications

Rimonabant significantly reduced oedema and leukocyte infiltrate, and showed topical anti-inflammatory activity in mice.

Other notes

Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal.

References:

1. Chu, C. M., Hung, M. S., Hsieh, M. T., Kuo, C. W., Suja, T. D., Song, J. S., Chiu, H. H., Chao, Y. S. and Shia, K. S. (2008) Bioisosteric replacement of the pyrazole 3-carboxamide moiety of rimonabant. A novel series of oxadiazoles as CB1 cannabinoid receptor antagonists. Org Biomol Chem. 6, 3399-3407

2. Malfitano, A. M., Sosa, S., Laezza, C., De Bortoli, M., Tubaro, A. and Bifulco, M. (2011) Rimonabant reduces keratinocyte viability by induction of apoptosis and exerts topical anti-inflammatory activity in mice. Br J Pharmacol. 162, 84-93

3. Almestrand, S., Wang, X., Jeppsson-Ahlberg, A., Nordgren, M., Flygare, J., Christensson, B., Rossner, S. and Sander, B. (2015) Influence of rimonabant treatment on peripheral blood mononuclear cells; flow cytometry analysis and gene expression profiling. PeerJ. 3, e1056

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Chemical Properties

Cas No. 168273-06-1 SDF Download SDF
Chemical Name 5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-N-piperidin-1-ylpyrazole-3-carboxamide
Canonical SMILES CC1=C(N(N=C1C(=O)NN2CCCCC2)C3=C(C=C(C=C3)Cl)Cl)C4=CC=C(C=C4)Cl
Formula C22H21Cl3N4O M.Wt 463.79
Solubility >23.2mg/mL in DMSO Storage Store at -20°C
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request

Background

Rimonabant (SR141716) is a potent and selective antagonist of central cannabinoid (CB1) receptor with Ki values of 1.8nM and 514nM for CB1 and CB2, respectively [1].

Rimonabant (SR141716) has shown a 285–fold CB1 selectivity (Ki=1.8nM CB1, 514nM CB2). The affinity of Rimonabant for CB1-Rs is 50-fold higher than for CB2-Rs with a Ki value of 6.18nM for CB1-Rs [1]. In addition, Rimonabant has been revealed to produce changes in ingestive behaviors when treatment alone. Moreover Rimonabant has been reported to selectively reduce the consumption of palatable food and drink. Rimonabant has also been noted to decrease sucrose intake in rat, alcohol consumption in mice and sweet diet intake in marmosets when having little effect on bland food consumption [2].

References:
[1]Soudijn W1, van Wijngaarden I, Ijzerman AP. Structure-activity relationships of inverse agonists for G-protein-coupled receptors. Med Res Rev. 2005 Jul;25(4):398-426.
[2] Ravinet Trillou C1, Arnone M, Delgorge C, Gonalons N, Keane P, Maffrand JP, Soubrie P. Anti-obesity effect of SR141716, a CB1 receptor antagonist, in diet-induced obese mice. Am J Physiol Regul Integr Comp Physiol. 2003 Feb;284(2):R345-53. Epub 2002 Oct 24.