PhenoCarb-Ethyl™ Research Grade Phenothiazine Derivative from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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