Benzyl Alpha-D-Mannopyranoside from Mexico
Benzyl alpha-D-mannopyranoside serves as a protecting group reagent in oligosaccharide synthesis, featuring a benzyl ether linkage to mannose. It qualifies for HTS 2940.00.60.00 as a chemically pure sugar ether not covered by headings 2937-2939 or the excluded simple sugars. Primarily used in pharmaceutical intermediate production.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.2%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
• Include detailed synthetic pathway documentation to prove sugar ether structure; Verify benzyl group content doesn't trigger Chapter 29 halide/sulfonate derivative rules; Use proper refrigerated shipping for moisture-sensitive compounds