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

Caffeine Anhydrous Powder from Mexico

Pure caffeine anhydrous is a xanthine alkaloid classified as a heterocyclic nitrogen compound under HTS 2933.99.90.00 due to its purine ring structure. It is imported as a pharmaceutical intermediate or drug ingredient for energy supplements and medications.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Verify COA confirms purity >98% as drugs require strict quality documentation

Include FDA Drug Master File if used in finished pharmaceuticals

Avoid misclassification as food additive which falls under Chapter 21