Indoline from Mexico
The fully saturated analogue of indole, explicitly listed under HTS 2933.99.1200 as a modified aromatic nitrogen heterocycle. Used as dye intermediate and pharmaceutical building block. Its bicyclic structure with nitrogen hetero-atom qualifies precisely.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Oxidation stabilizer presence must be documented
• Dye vs pharma end-use affects documentation requirements
• Dark storage/handling instructions required