L-Cysteine HCl Anhydrous

Chemical Formula:

C₃H₈ClNO₂S

CAS Number:

56-89-3

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L-Cysteine HCl Anhydrous

Chemical Formula:

C₃H₈ClNO₂S

CAS Number:

56-89-3

L-Cysteine HCl Anhydrous is the hydrochloride salt of the amino acid L-cysteine, produced in an anhydrous crystalline form. It is widely used as a nutritional supplement, antioxidant, and stabilizer in food, pharmaceuticals, and cosmetics. Known for its role in protein synthesis and detoxification, it also serves as a precursor for glutathione production. Its high purity and stability make it suitable for clinical, nutraceutical, and industrial applications.

Characteristics

Molar Weight

157.62 g/mol

Melting Point

175–185 °C (decomposes)

Solubility

Freely soluble in water, slightly soluble in ethanol

Density

~1.65 g/cm³

Forms

White crystalline powder

Odor

Slight sulfur-like odor

USES AND APPLICATIONS

Key applications

Acts as antioxidant in food preservation.
Supports protein and enzyme biosynthesis.
Serves as precursor of glutathione antioxidant.
Applied in hair care and cosmetic formulations.
Used in pharmaceuticals and clinical nutrition.

Industries

Food & Beverage
Nutraceuticals
Pharmaceuticals
Cosmetics & Personal Care
Animal Nutrition

Synonyms

L-Cysteine hydrochloride anhydrous, 2-Amino-3-mercaptopropionic acid hydrochloride

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