L-cysteine hydrochloride monohydrate

L-Cysteine Hydrochloride Monohydrate (CAS 7048-04-6), also known as L-Cys HCl and listed as E920 in food applications, is the stabilized salt form of the amino acid L-cysteine.

Where is L-cysteine hydrochloride monohydrate used?

• Food and baking: dough conditioner that reduces mixing time and improves dough extensibility in bread, crackers and pizza bases by cleaving disulfide bonds in gluten networks
• Pharmaceutical: precursor in amino acid infusion formulations and stabilizing agent in peptide synthesis
• Personal care: active ingredient in professional hair relaxing and waving treatments, modifying keratin structure without the harshness of thioglycolate systems
• Nutraceutical flavour development: precursor to meat-like aroma compounds in processed products
• It also functions as an antioxidant and reducing agent.

Commercial specifications

• USP, BP, Ph. Eur., FCC, EP and ACS grades
• Packaging from kilogram quantities up to bulk sacks
• Store in a cool, dry environment to maintain stability