Triethylenemelamine (TEM) from Mexico
Triethylenemelamine is a triazine derivative used as an alkylating agent in chemotherapy, classified under HTS 2933.69.6050 for its unfused triazine structure. It functions as an antineoplastic pharmaceutical intermediate.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• DEA Schedule I controlled substance; import permit required regardless of HTS classification
• GMP certificate for pharmaceutical intermediates; purity >99% critical