L-Cysteine Hcl Monohydrate | CAS 7048-04-6 | E920 | Amino Acid for Food, Pharmaceutical and Cosmetic Use

L-Cysteine Hydrochloride is a sulfur-containing L-form protein amino acid with strong reducing properties, acting as a precursor for glutathione and delivering antioxidant functions. It is widely applied across food, pharmaceutical and cosmetic industries. In food production, it serves as E920 dough conditioner to improve dough extensibility and baked goods texture, while also working as antioxidant and flavor precursor for savory food formulations. For pharmaceutical industry, it acts as a key raw material for drug preparations. In cosmetic field, it functions on keratin structure for hair and skincare formulations.

L-Cysteine HCl Monohydrate, Cas No.: 7048-04-6, Molecular Formula: C₃H₇NO₂S·HCl.H2O, The content of moisture is 8.5%-12.0%. is widely preferred for general food and cosmetic formulations. It is the key raw material for synthesizing N-Acetyl-L-Cysteine (NAC). In food systems, it works as a flavor enhancer.

Key Characteristics

Main Function

Synthesis precursor: Major starting raw material for manufacturing N-Acetyl-L-Cysteine (NAC).

Application

Food: Primary application, dough conditioning for bakery, antioxidant and savory flavor generation; Monohydrate is the common choice

Pharmaceutical: Raw material for pharmaceutical intermediates and preparations; Anhydrous is preferred for formulas requiring low moisture

Cosmetic: Functional raw material for hair treatment and skincare cosmetic products; Monohydrate is widely adopted

Packaging and Storage