3,3'-Dichlorobenzidine 2HCl Pharmaceutical Grade from Japan
Pharmaceutical-grade 3,3'-Dichlorobenzidine dihydrochloride meeting USP standards, specifically identified under HTS 2921.59.80.10. Used as synthetic intermediate for pharmaceutical research and hormone derivative production per Chapter 29 notes.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include Certificate of Analysis (CoA) with batch-specific purity >99% and heavy metals testing for pharmaceutical grade verification
• Declare intended use as chemical intermediate, not finished drug, to maintain Chapter 29 classification
• Check for REACH-like compliance documentation if sourced from EU manufacturers