Pharmaceutical Grade Cysteine HCl from China
Pharmaceutical grade cysteine HCl is a purified hydrochloride salt of cysteine used in drug synthesis and as an active ingredient. As a chemically defined organo-sulfur compound with direct C-S linkage, it precisely matches HTS 2930.90.92.10. The hydrochloride form enhances solubility for medical applications.
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
• Use ISF filing with chemical CAS number (7048-04-6) for pre-arrival processing
• Monitor stabilizer additions; excess per note (f) could shift to mixtures
• Comply with DEA if used in controlled substance synthesis pathways