Progesterone Hormone Reference Standard from China
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 — China → United States
0%
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
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