The synthetic cannabinoid FUB-AMB, also known as MMB-FUBINACA and AMB-FUBINACA, is now listed permanently in Schedule I (85 Fed. Reg. 17494; March 30, 2020). Since 2017 the substance has been listed in Schedule I under the emergency temporary scheduling authority. The final action was proposed on Oct. 30, 2019 (84 Fed. Reg. 58090). In practical terms, the regulatory status remai... Read More