2922.49.37.00/Phenylalanine Methyl Ester Hydrochloride/Japan

Phenylalanine Methyl Ester Hydrochloride from Japan

Phenylalanine methyl ester hydrochloride is the ester salt of phenylalanine, classified in HTS 2922.49.37.00 per note 3(A) with the parent amino-acid. The ester maintains the oxygen-function amino-compound nature. Used as protected amino acid in solid-phase peptide synthesis.

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%

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Import Tips

• Specify esterification confirmed by ester carbonyl IR peak; salts classified with parent per note 3(C)(1)

• Handle as corrosive solid (UN 3261); proper Hazard Class 8 labeling required