Aromatic Cyclic Carbamate CM-42 from Mexico
CM-42 is an aromatic cyclic carbamate derivative functioning as a ureine, used in medicinal chemistry for CNS drug development. HTS 2924.21.4500 covers 'other' aromatic ureines/cyclic amides, compliant with Chapter 29 notes on carboxyamide functions and exclusions for hormones (2937).
Duty Rate — Mexico → United States
16.5%
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
• Label with GHS hazard pictograms; ureines often irritants requiring proper shipping papers
• Single-ingredient only; admixtures trigger mixture rules and potential 3824 classification