Anthraquinone-2-Sulfonic Acid Drug Form from Mexico
Anthraquinone-2-sulfonic acid serves as a pharmaceutical intermediate for sulfonamide drugs and dyes with therapeutic applications. Under HTS 2914.69.21.00 as a sulfonated quinone drug per Chapter 29 notes on derivatives.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Sulfonation degree certification needed; Chapter 29 note covers compound sulfonated derivatives
• pH stability docs for aqueous solutions per Chapter note (d)