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CAS 7381-67-1

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H-Cys(SO3H)-OH . sodium salt

Description:
The chemical substance known as H-Cys(SO3H)-OH, sodium salt, with the CAS number 7381-67-1, is a derivative of cysteine, an amino acid that contains a thiol group. This compound features a sulfonic acid group (-SO3H) attached to the cysteine structure, which enhances its solubility in water and contributes to its ionic nature when in the form of a sodium salt. The presence of the sulfonic acid group imparts strong acidic properties, making it useful in various biochemical applications, including as a reagent in peptide synthesis and as a potential stabilizer for proteins. The sodium salt form indicates that the sulfonic acid group has been neutralized with sodium, which can improve the compound's stability and handling characteristics. Additionally, H-Cys(SO3H)-OH is often utilized in research and industrial applications due to its ability to participate in redox reactions and its role in biological systems, particularly in the context of antioxidant activity and cellular signaling.
Formula:C3H6NNaO5S2
InChI:InChI=1/C3H7NO5S2.Na/c4-2(3(5)6)1-10-11(7,8)9;/h2H,1,4H2,(H,5,6)(H,7,8,9);/q;+1/p-1/t2-;/m0./s1
SMILES:C(C(C(=O)O)N)SS(=O)(=O)O.[Na]
Synonyms:
  • Cysteine, hydrogen sulfate (ester), sodium salt, hydrate (2:2:3)
  • Nsc 344479
  • Sodium S-sulfocysteine hydrate
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