</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2918.30.90.00/Pyridylglyoxylic Acid/Mexico

Pyridylglyoxylic Acid from Mexico

Pyridylglyoxylic acid has pyridine ring with keto-carboxylic side chain, but acyclic chain function dominates for HTS 2918.30.90.00.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Calculate with your customs valueVerify classification with AI

Import Tips

• Distinguish from true heterocyclics (2933)

• NMR confirms acyclic chain dominance