1,8-Naphthyridine from Canada
1,8-Naphthyridine is a rigid bicyclic aromatic system used in coordination chemistry and antibiotic synthesis. Classified under HTS 2934.99.44.00 as other aromatic heterocyclic compounds. Its chelating properties make it valuable for metal complex formation.
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
• Provide molecular formula C8H6N2 and spectroscopic data for CBP verification
• Label containers with GHS hazard pictograms for pyridine-like toxicity
• Import as >98% purity to qualify as chemically defined compound