Cyclomethylcaine from Canada
Cyclomethylcaine is a lesser-known local anesthetic used in dermatological creams for surface analgesia. It meets HTS 2922.50.1700 criteria as an aromatic amino-oxygen function compound serving as a dermatological agent. Typically handled as a bulk active pharmaceutical ingredient.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Reference PubChem/CAS registry in import docs for unambiguous chemical identification
• Limit impurities to those not altering classification per Chapter Note (a)
• Consult CBP for advance ruling if structural ambiguity exists with alternatives