Pharmaceutical Grade Cysteine HCl from Canada
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 — Canada → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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