Stable anandamide analog that is a selective agonist for the CB1 receptor (Ki values are 20 and 815 nM for CB1 and CB2 receptors respectively), in water-soluble emulsion (for details see TocrisolveTM 100, Cat. No. 1684). Displays agonist activity at vanilloid receptors. (R)-(+)-Methanandamide also available as pure oil dissolved in ethanol (Cat. No. 1121).