Date published: 2026-5-17

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Calcium 2-Hydroxy-4-(methylthio)butyrate (CAS 4857-44-7)

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CAS Number:
4857-44-7
Purity:
≥95%
Molecular Weight:
338.45
Molecular Formula:
C10H18CaO6S2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Also known as L-methionine, Calcium 2-hydroxy-4-(methylthio)butanoate is an essential amino acid critical to numerous biochemical and physiological processes within the human body. It contributes to protein synthesis, DNA methylation, and gene expression regulation. Furthermore, Calcium 2-Hydroxy-4-(methylthio)butyrate is vital for the creation of other amino acids and acts as the progenitor of the significant antioxidant, glutathione. This essential amino acid is present in various foods, including meats, fish, eggs, and dairy products. Beyond dietary sources, Calcium 2-hydroxy-4-(methylthio)butanoate has been the subject of in vitro studies, with research focusing on its roles in gene expression regulation, protein synthesis, DNA methylation, metabolism regulation, and the synthesis of other amino acids. It′s also been linked to the production of antioxidant glutathione.


Calcium 2-Hydroxy-4-(methylthio)butyrate (CAS 4857-44-7) References

  1. Diverse Effects of Amino Acids on Monascus Pigments Biosynthesis in Monascus purpureus.  |  Yin, S., et al. 2022. Front Microbiol. 13: 951266. PMID: 35910612

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Calcium 2-Hydroxy-4-(methylthio)butyrate, 25 g

sc-486869
25 g
$309.00