High Purity 3-Aminocrotonic Acid Methyl Ester ≥99% from Canada
Pharmaceutical-grade 3-aminocrotonic acid methyl ester with ≥99% purity, explicitly named in HTS 2922.49.60.00. Supplied with stabilizer for safe transport per chapter note (f). Critical intermediate for H1-receptor antagonist synthesis.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• GMP certification often required for pharma intermediates; include in entry docs
• Batch-specific CoA mandatory to verify named compound identity