D(-)-p-Hydroxyphenylglycine Sodium Salt from Canada
Sodium salt of d(-)-p-Hydroxyphenylglycine, an aromatic oxygen-function amino-acid salt explicitly covered by HTS 2922.50.11.00 as per Chapter 29 classification rules for salts of organic compounds. Widely used in the manufacturing of semisynthetic penicillins and cephalosporins.
Duty Rate — Canada → 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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify stereospecificity with polarimetry data (specific rotation for d(-)-isomer) to prevent reclassification disputes
• Label as 'pharmaceutical intermediate, not for direct medicinal use' to comply with FDA import alerts on unapproved drugs
• Check for stabilizer additions per Chapter 29 note (f); excess additives may shift to heading 3824