2921.29.00.55/Spermine Tetrahydrochloride/Mexico

Spermine Tetrahydrochloride from Mexico

Spermine tetrahydrochloride, a tetraamine salt, classified under HTS 2921.29.00.55 as acyclic polyamine derivative salt for biochemical research.

Duty Rate — Mexico → United States

6.5%

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

• Verify Sigma-Aldrich/USP reference standards matching imported specification

• Document research institution end-user to avoid pharmaceutical classification

• Maintain cold chain documentation (2-8°C storage required)

Spermine Tetrahydrochloride from Mexico — Import Duty Rate | HTS 2921.29.00.55