Indole-3-Methanol from Japan
Indole-3-methanol (gramine precursor) features a hydroxymethyl group on indole, under HTS 2933.99.0500 with heterocycle precedence over alcohol function. Used in alkaloid total synthesis.
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
• Primary alcohol function (2906) subordinate to named heterocycle
• Hygroscopic solid; moisture-proof packaging essential
• Common name 'gramine methiodide' salt - classify with free base