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High-Purity Benzenesulfonyl Chloride 99.5% for Pharma Intermediates from Canada

Ultra-high purity grade used in pharmaceutical synthesis of sulfonamide drugs like sulfamethoxazole. HTS 2904.10.08.00 classification as pure chemically defined sulfonated benzene derivative.

Duty Rate — Canada → United States

15.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Pharma-grade requires GMP-equivalent documentation and full impurity profile

TSCA certification mandatory; declare intended pharmaceutical intermediate use

Glass-lined containers preferred to prevent reaction with metal packaging

High-Purity Benzenesulfonyl Chloride 99.5% for Pharma Intermediates from Canada — Import Duty Rate | HTS 2904.10.08.00