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2921.29.00.55/Spermine Tetrahydrochloride/Canada

Spermine Tetrahydrochloride from Canada

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

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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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 Canada — Import Duty Rate | HTS 2921.29.00.55