Methotrimeprazine (Levomepromazine) from Japan
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 — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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