Compound Q&A

What is L-Cysteine (CAS: 52-90-4)?

Answer

L-Cysteine
L-Cysteine is an amino acid with the chemical formula C3H7NO2S. It is a naturally occurring compound in the human body and is commonly used as a dietary supplement. L-Cysteine is known for its role in protein synthesis and as a precursor to glutathione, which supports immune function and detoxification. It is also used in various industries due to its unique properties, such as its ability to act as a reducing agent and chelating agent. L-Cysteine is available in both crystalline and powdered forms and is often used in pharmaceutical and food applications.

About

CAS No 52-90-4
English Name L-Cysteine
Molecular Formula C3H7NO2S
Molecular Weight 121.16 g/mol
SMILES N[C@@H](CS)C(=O)O
InChIKey XUJNEKJLAYXESH-REOHCLBHSA-N
Last Updated: 2025-08-25 01:07

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