2937.19.00.00/Secretin (Synthetic)/Japan

Secretin (Synthetic) from Japan

Secretin is a gastrointestinal polypeptide hormone used diagnostically, available in synthetic form. Falls under HTS 2937.19.00.00 as a polypeptide hormone used primarily as a hormone. Classification reflects its chemical structure and hormonal nature.

Duty Rate — Japan → 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
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Import Tips

• Include diagnostic use exemption docs; validate purity >98%; prevent reclassification as diagnostic reagents