High Purity 3-Aminocrotonic Acid Methyl Ester ≥99% from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• GMP certification often required for pharma intermediates; include in entry docs
• Batch-specific CoA mandatory to verify named compound identity