Macrocyclic Lactone Muscopyridine from Canada
Macrocyclic lactone used in musk fragrance synthesis, with large oxygen-containing heterocyclic ring, under HTS 2932.20.50.50 for other lactones.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096.3%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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Ring size and macrocyclic nature confirmed by molecular weight specs
• IFRA standard compliance for restricted fragrance chemicals
• Low odor threshold requires specialized packaging documentation