Cyclomethylcaine from Japan
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 — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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