1-(3-Sulfo propyl) pyridinium hydroxide from Japan
A chemically defined heterocyclic compound containing an unfused pyridine ring with a sulfo propyl substituent, classified under HTS 2933.39.08.00 per Chapter 29 notes for separate organic compounds with nitrogen hetero-atoms. Used as an intermediate in pharmaceutical synthesis and dye production.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6215%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
• Provide Certificate of Analysis (COA) confirming chemical identity and purity as required for Chapter 29 compounds
• Declare as hazardous material if meeting DOT criteria for corrosive properties; use UN proper shipping name
• Avoid misclassification as sulfonated derivatives under 2933.40 if sulfo group doesn't define principal character