Ethyl (1H-Phenothiazin-2,4,1)carbamate from Mexico

A chemically defined heterocyclic compound containing a phenothiazine ring-system with an ethyl carbamate substituent at the 2,4,1 position. This compound falls under HTS 2934.30.18.00 as it matches the specific chemical structure described in the subheading for phenothiazine ring-system compounds not further fused. It is typically used as a pharmaceutical intermediate in organic synthesis.

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

Provide detailed chemical analysis certificates (COA, NMR, MS) confirming the exact structure matches HTS 2934.30.18.00 specifications

Ensure packaging complies with UN/DOT hazardous material regulations if shipped in quantities exceeding exemption limits

Verify purity levels (>98%) as impurities may trigger reclassification under mixture provisions of Chapter 29