Methotrimeprazine (Levomepromazine) from Mexico
Methotrimeprazine, or levomepromazine, is a phenothiazine with strong sedative and analgesic effects used in palliative care. Its hydrogenated phenothiazine ring-system (allowed per heading) fits HTS 2934.30.5000.
Duty Rate — Mexico → 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
• Optical purity certificates required for chiral centers in phenothiazine derivatives
• Verify no hormone activity per heading 2937 note to avoid chapter shift
• Customs often requires end-use statement distinguishing pharmaceutical vs research chemical