TsCl 99% Pure for Synthesis from Germany
High purity p-toluenesulfonyl chloride (99%) for laboratory synthesis, classified under HTS 2904.10.10.00 as the specifically named sulfonated toluene derivative. Essential for alcohol and amine protection in pharmaceutical intermediates.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Lab grade requires additional end-use statement distinguishing from industrial bulk
• Nitrogen blanketing certificates prevent decomposition claims at customs inspection
• CAS 98-59-9 verification mandatory; sulfonamide contamination shifts to 2921