2937.23.50.10/17α-Ethynylestradiol 3-Methyl Ether/Mexico

17α-Ethynylestradiol 3-Methyl Ether from Mexico

This is a methylated derivative of ethinylestradiol used in pharmaceutical research. HTS 2937.23.5010 covers it as estrogen structural analogue used primarily as hormone.

Duty Rate — Mexico → 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

• Research chemical designation requires end-user certificates; Methyl ether stability data mandatory; Small quantity exemption may apply under de minimis