R-Mandelic Acid Pharmaceutical Intermediate from Canada
R-enantiomer of mandelic acid, a chiral aromatic carboxylic acid with alcohol function, used as intermediate for antibiotics. HTS 2918.19.1200 applies as a chemically defined organic compound and stereoisomer exception. Meets pharmacopeia specs for drug synthesis.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide enantiomeric excess (ee%) certificate for customs; label as intermediate to avoid end-use scrutiny; check for salt forms that follow acid classification per note