Methyl Chloroform Protein Precipitation Kit from Mexico
Laboratory reagent kit using methyl chloroform to precipitate proteins from biological samples prior to LC-MS analysis in proteomics research. Includes precipitation tubes and standards. Classified 3822.19.0040 for diagnostic kit with specified solvent.
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
• Specify complete kit contents and validation protocols in commercial invoice
• Include proteomics workflow documentation showing diagnostic laboratory application
• Avoid classification as general biochemical (3822.90) by documenting solvent-specific function