DL-Cysteine Hydrochloride from China
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 — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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