Mesoridazine Besylate from China
Mesoridazine besylate, a metabolite of thioridazine, is a phenothiazine tranquilizer used for psychiatric disorders. Falls under HTS 2934.30.23.00 as a psychotherapeutic agent with defined phenothiazine structure. Supplied as sterile API for injectable and oral formulations.
Duty Rate — China → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Test for total microbial count <100 CFU/g and absence of pathogens per USP <61>/<62>
• Provide salt stoichiometry documentation (besylate vs hydrochloride) for accurate molecular weight declaration
• Use nitrogen-flushed, light-protected packaging to maintain potency during ocean transit