2-Amino-4-chloro-6-methoxy pyrimidine (99% purity) from China
High-purity grade (99%) of 2-amino-4-chloro-6-methoxy pyrimidine, explicitly covered under HTS 2933.59.85.00. The specified purity does not alter classification as a chemically defined pyrimidine compound. Used in advanced pharmaceutical intermediate production.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%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
• Include CoA (Certificate of Analysis) showing ≥99% purity to support chemical identity claims
• Declare as 'separate chemically defined compound' per Chapter 29 note (a) in entry summary
• Segregate from lower purity grades in shipments to prevent commingling classification issues