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Sku CI00437_5_KG
Chem Impex
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Product Information

Product Name
L-Cysteine
Brand Name
Chem Impex
Product Number
00437
CAS
52-90-4
Certificate of Analysis (COA)​
COA not found

General Information

PubChem CID
5862
IUPAC Name
(2R)-2-amino-3-sulfanylpropanoic acid
InChI Key
XUJNEKJLAYXESH-REOHCLBHSA-N
SMILES
C(C@@H(C(=O)O)N)S

Application

L-Cysteine is widely utilized in research focused on:

Antioxidant Production: It serves as a precursor for the synthesis of glutathione, a powerful antioxidant that helps protect cells from oxidative stress, making it valuable in health and wellness industries.

Food Industry: Used as a flavor enhancer and dough conditioner, L-Cysteine improves the texture and shelf-life of baked goods, appealing to food manufacturers looking for quality improvements.

Pharmaceutical Applications: It is incorporated in formulations to support respiratory health by breaking down mucus, which is beneficial for patients with chronic obstructive pulmonary disease (COPD) and cystic fibrosis.

Cosmetic Products: L-Cysteine is found in skin care formulations for its skin-repairing properties, helping to improve skin texture and reduce signs of aging, making it popular among cosmetic brands.

Research in Biochemistry: It is widely used in studies involving protein structure and function due to its unique thiol group, which can form disulfide bonds, aiding researchers in understanding protein interactions.

References Data Source From Pubchem

Correction: Mechanistic insights into the synergistic role of cysteine in enhancing the ferric reducing antioxidant power of catechol derivatives

Publication Name: European Food Research and Technology
Publication Date: 2026-04-13
DOI: 10.1007/s00217-026-05093-w|10.1007/s00217-026-05124-6

Identification of dithiocarbamate fungicides by hydrophilic interaction liquid chromatography-mass spectrometry

Publication Name: Forensic Toxicology
Publication Date: 2026-03-04
DOI: 10.1007/s11419-026-00761-8

Precision Microbiome Modulation: Exploring Lactobacillus spp. as A Targeted Strategy for Type 2 Diabetes Management

Publication Name: Current Nutrition Reports
Publication Date: 2026-03-04
DOI: 10.1007/s13668-026-00739-3

Integrated on-site detection of Fusarium temperatum based on a droplet digital CRISPR-based platform

Publication Name: Microchimica Acta
Publication Date: 2026-03-02
DOI: 10.1007/s00604-026-07955-2

Evaluating the phosphorus-induced tolerance mechanism in Brassica juncea exposed to arsenic

Publication Name: Physiology and molecular biology of plants : an international journal of functional plant biology
Publication Date: 2026-03-02
DOI: 10.1007/s12298-026-01722-6