2430-M

L-Cysteine, Hydrochloride

• Synonym(s): L-Cysteine, Hydrochloride, Cys, HCI
• Empirical Formula (Hill Notation): C₃H₇NO₂S · xHCl
• CAS Number: 52-89-1
• Molecular Weight: 121.16 (free base basis)
• UNSPSC Code: 12352209
• NACRES: NA.21
• MDL number: MFCD00064553

Properties

• assay: >98% (titration)
• Quality Segment: 100
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze
• color: white
• solubility: water: 10 mg/mL, ethanol: soluble
• storage temp.: 10-30°C
• SMILES string: SC[C@H]([N+H3])C(=O)O.[Cl-]
• InChI: 1S/C3H7NO2S.ClH/c4-2(1-7)3(5)6;/h2,7H,1,4H2,(H,5,6);1H/t2-;/m0./s1
• InChI key: IFQSXNOEEPCSLW-DKWTVANSSA-N

Description

General description

Amino acid with a non-polar side chain. Sulfur containing side chains facilitate the formation of disulfide bonds in proteins. Used as a reagent for reducing reactive sulfhydryl groups.

Application

• Application of L-Cysteine Hydrochloride Delays the Ripening of Harvested Tomato Fruit.: This research demonstrates the effectiveness of L-cysteine hydrochloride in delaying the ripening process in harvested tomatoes, suggesting a potential approach for extending the shelf life of fresh produce and reducing post-harvest losses (Song et al., 2024).


• L-Cysteine hydrochloride inhibits Aspergillus flavus growth and AFB(1) synthesis by disrupting cell structure and antioxidant system balance.: Highlights the antimicrobial properties of L-cysteine hydrochloride against Aspergillus flavus, presenting a promising compound for controlling fungal contamination in food products and enhancing food safety (Qiu et al., 2023).

Preparation Note

Unstable in solution; reconstitute just prior to use.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Irritant (B)

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable