α-Phenylpyridylacetic acid, methyl ester from China
α-Phenylpyridylacetic acid methyl ester is a pyridine carboxylic acid ester listed under HTS 2933.39.20.00. Serves as intermediate for pharmaceutical synthesis including anti-inflammatory agents.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6094.2%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)
Import Tips
• Provide esterification analysis confirming methyl ester vs free acid form
• Comply with FDA import alerts for pharmaceutical precursors
• Use acid-resistant packaging to prevent hydrolysis during shipping