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2937.23.10.20/Progesterone Hormone Reference Standard/Mexico

Progesterone Hormone Reference Standard from Mexico

Certified reference material progesterone derived from vegetable sources, used for analytical calibration in hormone testing labs. Classifies under HTS 2937.23.1020 as the pure hormone from natural materials, even in small lab quantities.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
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Import Tips

• Include certificate of analysis with traceable purity and isotopic labeling if applicable; small package exemption may apply under de minimis; declare for lab use only

Progesterone Hormone Reference Standard from Mexico — Import Duty Rate | HTS 2937.23.10.20