L-Cysteine Hydrochloride Monohydrate from Mexico
Despite being a salt, L-Cysteine Hydrochloride Monohydrate qualifies as an oxygen-function amino-acid under HTS 2922.49.4950 when not separately provided for. Used as a dough conditioner in baking and antioxidant in cosmetics.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify monohydrate water content (8-12%) in CoA to match declared specifications
• GRAS affirmation letters speed FDA review for food contact applications
• Avoid 'pharmaceutical grade' claims unless DMF filed to prevent drug classification