Tropicamide from Canada
Tropicamide, mydriatic cycloplegic with tropic acid ester of 2-phenylbenzimidazole (N-heterocycle only). HTS 2933.99.8290 other aromatic heterocyclic nitrogen compounds. Ophthalmic API.
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
• Document ester hydrolysis stability under ophthalmic pH
• Specify racemic vs resolved tropic acid enantiomers
• Ophthalmic preservative compatibility testing