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Methimazole USP from Mexico

Methimazole is an organo-sulfur antithyroid drug containing thiazole ring with direct S-C bonds, used for hyperthyroidism. As an organo-sulfur heterocyclic compound, it properly falls under heading 2930. Specified in the pharmaceutical drugs subheading 2930.90.92.35.

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

Thyroid hormone interaction data required for FDA therapeutic classification support

Ensure agranulocytosis warnings in SDS for safety compliance

Avoid over-dilution that could trigger solvent solution reclassification per Chapter note 1(e)

Methimazole USP from Mexico — Import Duty Rate | HTS 2930.90.92.35