JWH-198
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| Formula | C26H26N2O3 | 
| Molar mass | 414.505 g·mol−1 | 
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JWH-198 is a drug from the aminoalkylindole and naphthoylindole families which acts as a cannabinoid receptor agonist. It was invented by the pharmaceutical company Sanofi-Winthrop in the early 1990s. JWH-198 has a binding affinity at the CB1 receptor of 10 nM, binding around four times more tightly than the parent compound JWH-200, which has no substitution on the naphthoyl ring. It has been used mainly in molecular modelling of the cannabinoid receptors.
In the United States, all CB1 receptor agonists of the 3-(1-naphthoyl)indole class such as JWH-198 are Schedule I Controlled Substances.