Spectroscopy Grade Chloroform-d (Deuterated) from Japan
Deuterated chloroform (CDCl3), isotopically pure trichloromethane-d for NMR spectroscopy. Though isotopically substituted, classified under parent compound HTS 2903.13.00.00 per Chapter 29 isomer provisions.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide 13C/2H isotopic analysis; >99.5% D-content required for this specific classification
• Store/seal under nitrogen; declare as UN1888 despite lower toxicity profile
• Distinguish from regular chloroform via CAS 865-49-6 vs 67-66-3 in documentation