3-Furoic Acid from Canada
3-Furoic acid features carboxylic acid at position 3 of aromatic furan ring, used in pharmaceutical intermediates. Unfused ring with oxygen hetero-atom only. HTS 2932.19.10.00 designation.
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
• Position-specific isomer certification via NMR essential
• Higher melting point than 2-isomer requires temperature specs
• Pharma-grade needs DMF filing references