New

Ask Wove anything about tariffs.

Try Tariff Assistant

PhenoCarb-Ethyl™ Research Grade Phenothiazine Derivative from Japan

Research-grade ethyl (1H-phenothiazin-2,4,1)carbamate supplied in 1g-100g quantities for medicinal chemistry and SAR studies. This specific isomer fits HTS 2934.30.18.00 due to its defined phenothiazine-carbamate structure. Includes certificate of analysis verifying >99% HPLC purity.

Duty Rate — Japan → United States

12.5%

Rate breakdown

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

• Declare as 'research chemical - not for medicinal use' to qualify for lower documentation burden

• Small package exemption may apply for quantities <100g; verify with CBP before shipment

• Include SDS and handling instructions to prevent classification as dangerous goods