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
15.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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