2922.50.11.00/D(-)-p-Hydroxyphenylglycine Calcium Salt/Mexico

D(-)-p-Hydroxyphenylglycine Calcium Salt from Mexico

This is the calcium salt form of d(-)-p-Hydroxyphenylglycine, a chemically defined aromatic amino-acid-phenol compound with oxygen function, classified under HTS 2922.50.11.00 per Chapter 29 note (C)(1) for inorganic salts of organic compounds. It serves as a key intermediate in pharmaceutical synthesis, particularly for beta-lactam antibiotics.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate

9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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Import Tips

• Provide Certificate of Analysis (CoA) confirming chemical identity, purity (>98%), and optical rotation to match d(-)-isomer specification

• Include Safety Data Sheet (SDS) and comply with TSCA registration for chemical imports; declare as research/pharma intermediate

• Avoid misclassification as finished drug by ensuring no therapeutic claims or retail packaging; common pitfall is incorrect Chapter 30 entry