SR144528

SR144528 is a potent and selective CB2 receptor antagonist with a Ki of 0.6 nM.

Product information

CAS Number: 192703-06-3

Molecular Weight: 476.05

Formula: C29H34ClN3O

Chemical Name: 5-(4-chloro-3-methylphenyl)-1-[(4-methylphenyl)methyl]-N-[(1S,2S,4R)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-yl]-1H-pyrazole-3-carboxamide

Smiles: CC1(C)[C@@H](NC(=O)C2C=C(C3=CC(C)=C(Cl)C=C3)N(CC3C=CC(C)=CC=3)N=2)[C@]2(C)C[C@H]1CC2

InChiKey: SUGVYNSRNKFXQM-XRHWURSXSA-N

InChi: InChI=1S/C29H34ClN3O/c1-18-6-8-20(9-7-18)17-33-25(21-10-11-23(30)19(2)14-21)15-24(32-33)26(34)31-27-28(3,4)22-12-13-29(27,5)16-22/h6-11,14-15,22,27H,12-13,16-17H2,1-5H3,(H,31,34)/t22-,27-,29+/m1/s1

Technical Data

Appearance: Solid Power

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

Solubility: DMSO : 50 mg/mL (105.03 mM; Need ultrasonic).

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 ^oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 ^oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

SR144528 is a potent and selective CB2 receptor antagonist with a Ki of 0.6 nM. SR144528 alone is able to stimulate in a concentration-dependent manner (EC50=26±6 nM, two experiments) the forskolin-sensitive adenylyl cyclase activity in CHO-CB2 cells with a maximum effect at 1 μM (4-fold stimulation) whereas at this concentration it has no significant effect on CHO-CB1 cells (15% inhibition). Raw 264.7 macrophages supplemented with SR144528 display reduced caspase-3 activity. SR144528 inhibits microsomal acyl-coenzymeA:cholesterol acyltransferase (ACAT) activity in a concentration-dependent manner with an IC50 value of 3.6±1.1 μM. At 10 μM, SR144528 inhibits ACAT activities ~68%.

In Vivo:

No effect on the binding of [3H]-CP 55,940 to its specific sites in the brain is observed after either oral (up to 10 mg/kg) or i.c.v. (10 μg/animal) administration of SR144528 in mice. The occupancy by SR144528 of the spleen cannabinoid receptor is time-dependent and significant for at least 18 hours after oral administration at 3 mg/kg. SR144528 does not induce any significant effect on gastrointestinal (GI) motility when given alone. SR144528 does not block but enhances delayedgastric emptying.

Products are for research use only. Not for human use.