Citramalic Acid from Canada
Citramalic acid (2-hydroxy-2-methylbutanedioic acid) qualifies under 2918.19.90.00 with its alpha-hydroxy functionality. Used in metabolic pathway research.
Duty Rate — Canada → United States
14%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide NMR/GC-MS spectra confirming structure and purity
• Document academic vs commercial research applications
• Check salt vs free acid form declarations