Histidine Monohydrochloride Monohydrate from Mexico
This hydrated hydrochloride salt of histidine is an aromatic oxygen-function amino-acid product under additional U.S. note 3, HTS 2922.49.30.00. Common in biotech reagents.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Water content must not alter classification per note 1(d); COA required
• Watch for stabilizer limits