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2935.90.30.00/Sulfamethazine Base Powder USP/Mexico

Sulfamethazine Base Powder USP from Mexico

Pharmaceutical grade sulfamethazine base powder meeting USP standards for purity, used in compounding veterinary medications against respiratory and enteric bacterial infections in swine and cattle. Classified under HTS 2935.90.30.00 as the specific sulfonamide anti-infective agent sulfamethazine per Chapter 29 notes for separate chemically defined compounds. Typically imported in 25kg drums for further formulation.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

• Include FDA Drug Master File reference and third-party lab testing for identity/potency; use tamper-evident packaging to prevent contamination claims at customs

• Avoid common error: declaring without CAS number (57-68-1), causing delays in verification

Sulfamethazine Base Powder USP from Mexico — Import Duty Rate | HTS 2935.90.30.00