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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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