RCS-4, or 1-pentyl-3-(4-methoxybenzoyl)indole, is a synthetic cannabinoid drug sold under the names SR-19, BTM-4, or Eric-4 (later shortened to E-4), but originally, OBT-199.
UPAC name: 2-(4-methoxyphenyl)-1-(1-pentyl-indol-3-yl)methanone
Other name: 1-pentyl-3-(4-methoxybenzoyl)indole, SR-19, BTM-4, OBT-199
: New alternative of JWH series products
Purity: 99% min
Appearance: white powder
The physiological and toxicological properties of this compound are not known. This product is intended for research and forensic purposes.