DL-Cysteine Hydrochloride from Japan
DL-Cysteine hydrochloride is the racemic mixture salt of cysteine, featuring the characteristic organo-sulfur thiol group. Classified under HTS 2930.90.92.10 as it matches the specific subheading for cysteine hydrochloride, a separate chemically defined compound per Chapter 29 notes. Used in biochemical research and as a reducing agent.
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
• Submit stereochemistry documentation (DL vs L-form) to customs for accurate HTS verification
• Avoid anti-dusting agents that could render it suitable for specific use, per chapter note (g), risking reclassification
• Register as a chemical import with TSCA if for industrial use in the US