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Formula | C20H27N3O3 |
Molar mass | 357.454 g·mol−1 |
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MDMB-4en-PINACA (also incorrectly known as 5-CL-ADB-A) is an indazole-based synthetic cannabinoid that has been sold online as a designer drug.[1][2][3][4][5][6] In 2021, MDMB-4en-PINACA was the most common synthetic cannabinoid identified by the Drug Enforcement Administration in the United States.[7] MDMB-4en-PINACA differs from 5F-MDMB-PINACA due to replacement of 5-fluoropentyl with a pent-4-ene moiety (4-en).[8]
It acts as a potent agonist of the CB1 receptor with an EC50 value of 2.47 nM.[9][10][11][12]
Sweden's public health agency suggested classifying MDMB-4en-PINACA as a hazardous substance, on December 18, 2019.[13]
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