Date published: 2026-4-24

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S-Z-L-cysteine (CAS 1625-72-5)

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CAS Number:
1625-72-5
Molecular Weight:
255.29
Molecular Formula:
C11H13NO4S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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S-Z-L-cysteine is a non-proteinogenic amino acid that plays a role in the synthesis of proteins and peptides. It functions as a building block for the formation of disulfide bonds, which are for the stability and structure of proteins. S-Z-L-cysteine acts as a nucleophile, participating in redox reactions and serving as a precursor for the biosynthesis of coenzymes such as coenzyme A and glutathione. At the molecular level, S-Z-L-cysteine interacts with other amino acids and small molecules to form complex structures, contributing to the conformation and function of proteins. Its mode of action involves the donation of its thiol group to form disulfide bonds, as well as serving as a key component in the regulation of cellular redox balance.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

S-Z-L-cysteine, 5 g

sc-286744
5 g
$69.00

S-Z-L-cysteine, 25 g

sc-286744A
25 g
$179.00