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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

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 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