2933.59.59.00/Propylthiouracil Crystals/Mexico

Propylthiouracil Crystals from Mexico

Propylthiouracil features pyrimidine-2-thione structure for thyroid treatment. Classifies HTS 2933.59.59.00 as pyrimidine drug; sulfur directly linked but nitrogen ring principal. Used in hyperthyroidism therapy.

Duty Rate — Mexico → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Thione tautomer confirmation via spectroscopy for classification

• Endocrine disruptor handling protocols required

• Crystalline vs amorphous form specs impact purity declaration

Propylthiouracil Crystals from Mexico — Import Duty Rate | HTS 2933.59.59.00