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Product Information

Product Name
L-Cysteine hydrochloride anhydrous
Brand Name
Chem Impex
Product Number
00087
CAS
52-89-1
Certificate of Analysis (COA)​
COA not found

General Information

PubChem CID
60960
IUPAC Name
(2R)-2-amino-3-sulfanylpropanoic acid;hydrochloride
InChI Key
IFQSXNOEEPCSLW-DKWTVANSSA-N
SMILES
C(C@@H(C(=O)O)N)S.Cl

Application

L-Cysteine hydrochloride anhydrous is widely utilized in research focused on:

Pharmaceutical Development: It serves as a key ingredient in formulations for medications aimed at treating respiratory conditions, as it helps to break down mucus and improve lung function.

Food Industry: This compound acts as a flavor enhancer and antioxidant in food products, improving shelf life and taste, particularly in processed meats and baked goods.

Cosmetic Applications: It is incorporated into skincare products for its antioxidant properties, helping to protect skin from damage and promoting a youthful appearance.

Biotechnology: L-Cysteine hydrochloride is essential in cell culture media, supporting the growth and maintenance of various cell lines used in research and production.

Amino Acid Supplements: It is commonly found in dietary supplements aimed at enhancing athletic performance and recovery, as it plays a crucial role in protein synthesis and detoxification.

References

Surface-enhanced Raman spectroscopy based on 2,3-naphthalenedicarboxaldehyde derivative reagent for highly sensitive detection of cysteine and homocysteine

Publication Name: Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
Publication Date: 2025-11-15
DOI: 10.1016/j.saa.2025.126395

Insight into Cys and its derivatives metabolism in living system with 3D-printed portable smartphone platform via multifunctional fluorescent probe

Publication Name: Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
Publication Date: 2025-11-05
DOI: 10.1016/j.saa.2025.126324

Target-triggered dual suppression of self-enhanced ECL sensor for sensitive detection of l-Cysteine

Publication Name: Talanta
Publication Date: 2025-11-01
DOI: 10.1016/j.talanta.2025.128216

One-pot synthesis of fluorescent nanoprobes based on D-cys-based CDs and quantitative detection of lysine enantiomers

Publication Name: Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
Publication Date: 2025-10-15
DOI: 10.1016/j.saa.2025.126143

Developing an aurone-based colorimetric fluorescent probe for fast cysteine sensing in foods, test strips and biological imaging

Publication Name: Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
Publication Date: 2025-10-05
DOI: 10.1016/j.saa.2025.126226