Methyl Chloroform Protein Precipitation Kit
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If derived from antisera or blood fractions
Biological origin reagents classify under Chapter 30.
If containing mainly cultured microorganisms
Prepared culture media and similar preparations have separate classification.
If imported with centrifugation equipment as complete system
Laboratory centrifuges and parts classify under machinery headings.
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Import Tips & Compliance
• 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
Related Products under HTS 3822.19.00.40
Solvent-Based Histology Tissue Clearing Reagent
A prepared laboratory reagent used in histology labs to clear tissue samples for microscopic examination, containing methyl chloroform as the primary solvent for dissolving lipids. It falls under HTS 3822.19.0040 due to its diagnostic purpose and specific solvent content. Supplied in kit form with staining controls.
Methyl Chloroform Calibration Standard for GC-MS
Certified reference material containing known methyl chloroform concentration for calibrating gas chromatography-mass spectrometry instruments in environmental labs. Used for VOC analysis compliance testing. Falls under 3822.19.0040 as certified reference material with specified solvent.
Solvent Reagent Strip for Microarray Cleaning
Diagnostic reagent on backing (test strip) impregnated with methyl chloroform solution for cleaning DNA microarray slides between hybridizations. Essential for high-throughput genomics research. Classified under 3822.19.0040 due to backing and specific solvent content.
Carbon Tetrachloride Fat Extraction Reagent for Dairy Analysis
Soxhlet extraction reagent containing carbon tetrachloride for determining fat content in milk and dairy products per AOAC official methods. Prepared laboratory reagent for food safety diagnostics. HTS 3822.19.0040 due to specified solvent in diagnostic reagent.
Carbon Tetrachloride Extraction Solvent Kit for Pesticide Residue Analysis
Diagnostic reagent kit containing carbon tetrachloride for extracting pesticides from food samples in environmental testing labs. Used in EPA-approved multi-residue analysis methods. Classified under 3822.19.0040 due to specific solvent and laboratory reagent function.