2942.00.50.00/4-Nitrophenyl Chloroformate/Mexico

4-Nitrophenyl Chloroformate from Mexico

4-Nitrophenyl chloroformate is a reactive chloroformate ester used in peptide synthesis, classified under HTS 2942.00.50.00 as 'other' organic compounds. This compound features both nitroaromatic and chloroformate functionalities essential for bioconjugation applications.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Ship under inert atmosphere with stabilizer; include stability data showing <5% decomposition during transit

• Classify as UN 2745 (chloroformates, corrosive) with proper dangerous goods declaration

• Provide synthetic route documentation to distinguish from pesticide intermediates