DL-Homophenylalanine from Japan
DL-Homophenylalanine is a phenylalanine homolog with extended carbon chain, classified under HTS 2922.49.37.00 as an other aromatic amino-acid. The single oxygen-function carboxyl group qualifies it for this oxygen-function amino-compound heading. Used in peptide synthesis and pharmaceutical research.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide comparative structural data vs. phenylalanine to justify 2922 classification over acyclic hydrocarbons
• Ensure COA specifies enantiomeric ratio if not fully racemic; pure enantiomers may trigger different pharma regs