Rimonabant free base
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MedKoo CAT#: 329640

CAS#: 168273-06-1 (free base)

Description: Rimonabant, also known as SR141716 and A 281, is an anorectic anti-obesity drug. It is an inverse agonist for the cannabinoid receptor CB1. Its main avenue of effect is reduction in appetite. Rimonabant is the first selective CB1 receptor blocker to be approved for use anywhere in the world. Rimonabant is approved in 38 countries including the E.U., Mexico, and Brazil. It was rejected for approval for use in the United States.

Chemical Structure

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Rimonabant free base
CAS# 168273-06-1 (free base)
Product data Instruction

Theoretical Analysis

MedKoo Cat#: 329640
Name: Rimonabant free base
CAS#: 168273-06-1 (free base)
Chemical Formula: C22H21Cl3N4O
Exact Mass: 462.08
Molecular Weight: 463.080
Elemental Analysis: C, 56.97; H, 4.56; Cl, 22.93; N, 12.08; O, 3.45

Price and Availability

Size Price Availability Quantity
50mg USD 750 2 Weeks
100mg USD 1250 2 Weeks
200mg USD 2250 2 Weeks
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Related CAS #: 168273-06-1 (free base)   158681-13-1 (HCl),  

Synonym: Rimonabant free base, SR141716; SR 141716; SR-141716; A 281; A-281; A281; Rimonabant, Acomplia, Zimulti

IUPAC/Chemical Name: 5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-N-piperidin-1-ylpyrazole-3-carboxamide

InChi Key: JZCPYUJPEARBJL-UHFFFAOYSA-N

InChi Code: InChI=1S/C22H21Cl3N4O/c1-14-20(22(30)27-28-11-3-2-4-12-28)26-29(19-10-9-17(24)13-18(19)25)21(14)15-5-7-16(23)8-6-15/h5-10,13H,2-4,11-12H2,1H3,(H,27,30)

SMILES Code: O=C(C1=NN(C2=CC=C(Cl)C=C2Cl)C(C3=CC=C(Cl)C=C3)=C1C)NN4CCCCC4

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO and ethanol

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO and ethanol

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

More Info:

Product Data:
Product Data
Instruction:
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Biological target: Rimonabant is a selective antagonist of CB1 with IC50 of 13.6 nM and EC50 of 17.3 nM in hCB1 transfected HEK 293 membrane. Rimonabant is also a dual inhibitor of acyl CoA:cholesterol acyltransferases(ACAT) 1 and 2 and inhibits mycobacterial MmpL3.
In vitro activity: Rimonabant reduced hepatic stellate cells (HSCs) proliferation and increased HSC apoptosis. in HSC-T6 cells treated with rimonabant, cell cycles showed a decrease in G2/M phase cells and an increase in G0/G1 phase cells. Rimonabant increased caspase-3 protein expression and activity. Rimonabant decreased collagen secretion in HSC-T6 cells.Rimonabant inhibited the expression of phosphorylated FAK and ERK and down-regulated CB1 mRNA expression. Reference: Hepatogastroenterology. 2014 Oct;61(135):2052-61. https://pubmed.ncbi.nlm.nih.gov/25713910/
In vivo activity: In HCT116 xenografts, Rimonabant significantly reduced tumor growth and destabilized the nuclear localization of β-Catenin. This study supports the rationale for the use of cannabinoids like Rimonabant in combined therapies for metastatic colorectal cancer harbouring activating mutations of β-Catenin. Reference: Sci Rep. 2017 Sep 15;7(1):11678. https://pubmed.ncbi.nlm.nih.gov/28916833/

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
Solubility
DMSO 92.0 198.37
Ethanol 50.0 107.81

Preparing Stock Solutions

The following data is based on the product molecular weight 463.08 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol: 1. Dai E, Zhang J, Zhang D, Yang L, Wang Y, Jiang X, Ye L, Li X, Liu H, Ma J, Jiang H. Rimonabant inhibits proliferation, collagen secretion and induces apoptosis in hepatic stellate cells. Hepatogastroenterology. 2014 Oct;61(135):2052-61. PMID: 25713910. 2. Foster AJ, Prime LH, Gustafsson F, Temesi DG, Isin EM, Midlöv J, Castagnoli N Jr, Kenna JG. Bioactivation of the cannabinoid receptor antagonist rimonabant to a cytotoxic iminium ion metabolite. Chem Res Toxicol. 2013 Jan 18;26(1):124-35. doi: 10.1021/tx300418w. Epub 2012 Dec 12. PMID: 23234359. 3. Proto MC, Fiore D, Piscopo C, Franceschelli S, Bizzarro V, Laezza C, Lauro G, Feoli A, Tosco A, Bifulco G, Sbardella G, Bifulco M, Gazzerro P. Inhibition of Wnt/β-Catenin pathway and Histone acetyltransferase activity by Rimonabant: a therapeutic target for colon cancer. Sci Rep. 2017 Sep 15;7(1):11678. doi: 10.1038/s41598-017-11688-x. PMID: 28916833; PMCID: PMC5601949. 4. Jorgačević B, Mladenović D, Ninković M, Vesković M, Dragutinović V, Vatazević A, Vučević D, Ješić Vukićević R, Radosavljević T. Rimonabant Improves Oxidative/Nitrosative Stress in Mice with Nonalcoholic Fatty Liver Disease. Oxid Med Cell Longev. 2015;2015:842108. doi: 10.1155/2015/842108. Epub 2015 May 11. PMID: 26078820; PMCID: PMC4442287.
In vitro protocol: 1. Dai E, Zhang J, Zhang D, Yang L, Wang Y, Jiang X, Ye L, Li X, Liu H, Ma J, Jiang H. Rimonabant inhibits proliferation, collagen secretion and induces apoptosis in hepatic stellate cells. Hepatogastroenterology. 2014 Oct;61(135):2052-61. PMID: 25713910. 2. Foster AJ, Prime LH, Gustafsson F, Temesi DG, Isin EM, Midlöv J, Castagnoli N Jr, Kenna JG. Bioactivation of the cannabinoid receptor antagonist rimonabant to a cytotoxic iminium ion metabolite. Chem Res Toxicol. 2013 Jan 18;26(1):124-35. doi: 10.1021/tx300418w. Epub 2012 Dec 12. PMID: 23234359.
In vivo protocol: 1. Proto MC, Fiore D, Piscopo C, Franceschelli S, Bizzarro V, Laezza C, Lauro G, Feoli A, Tosco A, Bifulco G, Sbardella G, Bifulco M, Gazzerro P. Inhibition of Wnt/β-Catenin pathway and Histone acetyltransferase activity by Rimonabant: a therapeutic target for colon cancer. Sci Rep. 2017 Sep 15;7(1):11678. doi: 10.1038/s41598-017-11688-x. PMID: 28916833; PMCID: PMC5601949. 2. Jorgačević B, Mladenović D, Ninković M, Vesković M, Dragutinović V, Vatazević A, Vučević D, Ješić Vukićević R, Radosavljević T. Rimonabant Improves Oxidative/Nitrosative Stress in Mice with Nonalcoholic Fatty Liver Disease. Oxid Med Cell Longev. 2015;2015:842108. doi: 10.1155/2015/842108. Epub 2015 May 11. PMID: 26078820; PMCID: PMC4442287.

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1: Zádor F, Lénárt N, Csibrány B, Sántha M, Molnár M, Tuka B, Samavati R, Klivényi P, Vécsei L, Marton A, Vizler C, Nagy GM, Borsodi A, Benyhe S, Páldy E. Low dosage of rimonabant leads to anxiolytic-like behavior via inhibiting expression levels and G-protein activity of kappa opioid receptors in a cannabinoid receptor independent manner. Neuropharmacology. 2015 Feb;89:298-307. PubMed PMID: 25446673.

2: Dai E, Zhang J, Zhang D, Yang L, Wang Y, Jiang X, Ye L, Li X, Liu H, Ma J, Jiang H. Rimonabant inhibits proliferation, collagen secretion and induces apoptosis in hepatic stellate cells. Hepatogastroenterology. 2014 Oct;61(135):2052-61. PubMed PMID: 25713910.

3: Wang X, Yu Q, Yue H, Zeng S, Cui F. Effect of Intermittent Hypoxia and Rimonabant on Glucose Metabolism in Rats: Involvement of Expression of GLUT4 in Skeletal Muscle. Med Sci Monit. 2015 Oct 27;21:3252-60. PubMed PMID: 26503060; PubMed Central PMCID: PMC4629628.

4: Marinho EA, Oliveira-Lima AJ, Santos R, Hollais AW, Baldaia MA, Wuo-Silva R, Yokoyama TS, Takatsu-Coleman AL, Patti CL, Longo BM, Berro LF, Frussa-Filho R. Effects of rimonabant on the development of single dose-induced behavioral sensitization to ethanol, morphine and cocaine in mice. Prog Neuropsychopharmacol Biol Psychiatry. 2015 Apr 3;58:22-31. doi: 10.1016/j.pnpbp.2014.11.010. Epub 2014 Dec 10. PubMed PMID: 25496830.

5: Jorgačević B, Mladenović D, Ninković M, Vesković M, Dragutinović V, Vatazević A, Vučević D, Ješić Vukićević R, Radosavljević T. Rimonabant Improves Oxidative/Nitrosative Stress in Mice with Nonalcoholic Fatty Liver Disease. Oxid Med Cell Longev. 2015;2015:842108. doi: 10.1155/2015/842108. Epub 2015 May 11. PubMed PMID: 26078820; PubMed Central PMCID: PMC4442287.

6: Zádor F, Kocsis D, Borsodi A, Benyhe S. Micromolar concentrations of rimonabant directly inhibits delta opioid receptor specific ligand binding and agonist-induced G-protein activity. Neurochem Int. 2014 Feb;67:14-22. doi: 10.1016/j.neuint.2013.12.005. Epub 2014 Feb 4. PubMed PMID: 24508403.

7: Thorsell A, Isin EM, Jurva U. Use of electrochemical oxidation and model peptides to study nucleophilic biological targets of reactive metabolites: the case of rimonabant. Chem Res Toxicol. 2014 Oct 20;27(10):1808-20. doi: 10.1021/tx500255r. Epub 2014 Sep 26. PubMed PMID: 25210840.

8: Pataky Z, Gasteyger C, Ziegler O, Rissanen A, Hanotin C, Golay A. Efficacy of rimonabant in obese patients with binge eating disorder. Exp Clin Endocrinol Diabetes. 2013 Jan;121(1):20-6. doi: 10.1055/s-0032-1329957. Epub 2012 Nov 12. PubMed PMID: 23147209.

9: Hu SS. Involvement of TRPV1 in the Olfactory Bulb in Rimonabant-Induced Olfactory Discrimination Deficit. Chin J Physiol. 2016 Feb 29;59(1):21-32. doi: 10.4077/CJP.2016.BAE366. PubMed PMID: 26875559.

10: Bergamaschi MM, Queiroz RH, Chagas MH, Linares IM, Arrais KC, de Oliveira DC, Queiroz ME, Nardi AE, Huestis MA, Hallak JE, Zuardi AW, Moreira FA, Crippa JA. Rimonabant effects on anxiety induced by simulated public speaking in healthy humans: a preliminary report. Hum Psychopharmacol. 2014 Jan;29(1):94-9. doi: 10.1002/hup.2374. Epub 2013 Dec 3. PubMed PMID: 24424711; PubMed Central PMCID: PMC4539121.

11: Johnson A, Neumann PH, Peng J, James J, Russo V, MacDonald H, Gertzberg N, Feleder C. The intracerebroventricular injection of rimonabant inhibits systemic lipopolysaccharide-induced lung inflammation. J Neuroimmunol. 2015 Sep 15;286:16-24. doi: 10.1016/j.jneuroim.2015.07.001. Epub 2015 Jul 6. PubMed PMID: 26298320; PubMed Central PMCID: PMC4548270.

12: Buckley JL, Rasmussen EB. Rimonabant's reductive effects on high densities of food reinforcement, but not palatability, in lean and obese Zucker rats. Psychopharmacology (Berl). 2014 May;231(10):2159-70. doi: 10.1007/s00213-013-3366-4. Epub 2014 Jan 8. PubMed PMID: 24398820; PubMed Central PMCID: PMC4036064.

13: Jergas B, Schulte K, Bindila L, Lutz B, Schlicker E. O-2050 facilitates noradrenaline release and increases the CB1 receptor inverse agonistic effect of rimonabant in the guinea pig hippocampus. Naunyn Schmiedebergs Arch Pharmacol. 2014 Jul;387(7):621-8. doi: 10.1007/s00210-014-0991-3. Epub 2014 May 23. PubMed PMID: 24853577.

14: Foster AJ, Prime LH, Gustafsson F, Temesi DG, Isin EM, Midlöv J, Castagnoli N Jr, Kenna JG. Bioactivation of the cannabinoid receptor antagonist rimonabant to a cytotoxic iminium ion metabolite. Chem Res Toxicol. 2013 Jan 18;26(1):124-35. doi: 10.1021/tx300418w. Epub 2012 Dec 12. PubMed PMID: 23234359.

15: Blasio A, Iemolo A, Sabino V, Petrosino S, Steardo L, Rice KC, Orlando P, Iannotti FA, Di Marzo V, Zorrilla EP, Cottone P. Rimonabant precipitates anxiety in rats withdrawn from palatable food: role of the central amygdala. Neuropsychopharmacology. 2013 Nov;38(12):2498-507. doi: 10.1038/npp.2013.153. Epub 2013 Jun 24. PubMed PMID: 23793355; PubMed Central PMCID: PMC3799070.

16: Jin SM, Oh BJ, Lee S, Choi JM, Yang SJ, Park SW, Kim KW, Kim JH, Park CY. Reduced food intake is the major contributor to the protective effect of rimonabant on islet in established obesity-associated type 2 diabetes. Yonsei Med J. 2013 Sep;54(5):1127-36. doi: 10.3349/ymj.2013.54.5.1127. PubMed PMID: 23918561; PubMed Central PMCID: PMC3743202.

17: Boomhower SR, Rasmussen EB. Haloperidol and rimonabant increase delay discounting in rats fed high-fat and standard-chow diets. Behav Pharmacol. 2014 Dec;25(8):705-16. doi: 10.1097/FBP.0000000000000058. PubMed PMID: 25000488; PubMed Central PMCID: PMC4772744.

18: Blasio A, Rice KC, Sabino V, Cottone P. Characterization of a shortened model of diet alternation in female rats: effects of the CB1 receptor antagonist rimonabant on food intake and anxiety-like behavior. Behav Pharmacol. 2014 Oct;25(7):609-17. doi: 10.1097/FBP.0000000000000059. PubMed PMID: 25011007; PubMed Central PMCID: PMC4149852.

19: Wright FL, Rodgers RJ. Low dose naloxone attenuates the pruritic but not anorectic response to rimonabant in male rats. Psychopharmacology (Berl). 2013 Mar;226(2):415-31. doi: 10.1007/s00213-012-2916-5. Epub 2012 Nov 10. PubMed PMID: 23142959.

20: Literati-Nagy Z, Tory K, Literáti-Nagy B, Bajza A, Vígh L Jr, Vígh L, Mandl J, Szilvássy Z. Synergic insulin sensitizing effect of rimonabant and BGP-15 in Zucker-obese rats. Pathol Oncol Res. 2013 Jul;19(3):571-5. doi: 10.1007/s12253-013-9620-6. Epub 2013 May 3. PubMed PMID: 23640247.