Indole-3-Methanol from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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