N-Acetyl-L-Alanine from Canada
N-Acetyl-L-Alanine is an acetyl protected form of L-alanine used in peptide synthesis and research. It remains classified as alanine under HTS 2922.49.4910 since simple acylation doesn't change the principal amino acid character.
Duty Rate — Canada → United States
4.2%
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
Import Tips
• Provide NMR/HPLC confirming >95% purity as chemically defined compound
• Research chemical exemption from some FDA rules but TSCA registration needed
• Distinguish from multi-protected amino acids that may go to 2924 carboxyamide heading