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

Sulfaguanidine Pharmaceutical Grade from Mexico

Sulfaguanidine is a sulfonamide specifically enumerated in HTS 2935.90.4200, historically used for gastrointestinal bacterial infections. This pharmaceutical-grade powder meets Chapter 29 requirements for separate chemically defined organic compounds used as anti-infective drugs. Primarily imported as bulk API for veterinary and niche human applications.

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

For veterinary applications, include CVM (Center for Veterinary Medicine) import documentation alongside standard pharma paperwork

Confirm purity >99% with HPLC certificate to avoid reclassification as technical grade chemical preparation