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2939.44.00.00/Pseudoephedrine Impurity Standard (Norephedrine HCl)/Mexico

Pseudoephedrine Impurity Standard (Norephedrine HCl) from Mexico

Certified reference material of norephedrine hydrochloride used as impurity standard in pseudoephedrine quality control testing. Classified under HTS 2939.44.00.00 as pure norephedrine salt for laboratory use. Essential for HPLC method validation in pharmaceutical QC labs.

Duty Rate — Mexico → United States

0%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))
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Import Tips

• Include certificate of analysis with assigned purity value; small package lab chemicals still need TSCA notification

• Avoid bulk classification for research quantities

Pseudoephedrine Impurity Standard (Norephedrine HCl) from Mexico — Import Duty Rate | HTS 2939.44.00.00