2935.90.30.00/Sulfamethazine Base Powder USP/Japan

Sulfamethazine Base Powder USP from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Calculate with your customs value Verify classification with AI

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