Quinoxaline from Canada
Quinoxaline features a benzene ring fused to pyrazine, used in organic electronics and antibiotic synthesis. Classified under HTS 2934.99.44.00 as aromatic heterocyclic compound. Exhibits biological activity against mycobacteria.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• CAS 91-19-0 documentation essential for positive identification
• Sublimes at 119°C - specify temperature-controlled shipping
• Declare OLED/organic semiconductor applications if applicable