TsCl 99% Pure for Synthesis from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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