Fluorenylmethyloxycarbonyl Chloride (Fmoc-Cl) from Mexico
9-Fluorenylmethyloxycarbonyl chloride (Fmoc-Cl) is a protecting group reagent for solid-phase peptide synthesis, classified under HTS 2942.00.50.00. This chloroformate derivative features a fluorenyl protecting moiety.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Ship in amber glass with argon backfill; include photostability data for customs
• UN 2745 chloroformate declaration with 24-month shelf life documentation
• Reference pharmacopeial grade (USP/EP) specifications if applicable