Methotrimeprazine (Levomepromazine) from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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