NMR-Grade Triphenylmethyl Chloride from Canada
Ultra-pure NMR-grade triphenylmethyl chloride is a separate chemically defined compound under HTS 2903.99.15.00, ideal for spectroscopic analysis and research in aromatic halogenation chemistry. Its triphenylmethyl chloride structure fits the specific subheading.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include NMR spectra in CoA for purity verification; import under academic exemptions if for university use; ensure inert atmosphere packaging