Maltose Octaacetate from Japan
Maltose octaacetate features eight acetate ester groups on the disaccharide maltose, used in selective glycosylation and polymer chemistry. Falls under HTS 2940.00.60.00 as a sugar ester, chemically pure, excluded from headings 2937-2939 despite maltose base structure. Enables controlled carbohydrate assembly in synthesis.
Duty Rate — Japan → United States
21.7%
Rate breakdown
9903.04.629.2%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
• Provide degree of substitution analysis confirming 8 acetate groups; Use inert atmosphere packaging to prevent desaturation; Include molecular weight distribution for disaccharide purity verification