Escitalopram Oxalate from China
Escitalopram oxalate, the S-enantiomer of citalopram, is an SSRI for major depression and generalized anxiety disorder, containing a 1,3-dihydro-2-benzofuran ring with nitrogen. It falls under this code as an aromatic heterocyclic CNS-acting antidepressant drug.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals: 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 chiral purity documentation (enantiomeric excess data)
• Ensure oxalate salt stability validated for transport conditions
• Coordinate with FDA for Type II DMF review timeline