Date published: 2025-11-15

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L-Homocysteine (CAS 6027-13-0)

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Alternate Names:
(S)-2-Amino-4-mercaptobutyric acid
Application:
L-Homocysteine is a useful reference standard for measuring L-Homocysteine levels
CAS Number:
6027-13-0
Purity:
≥95%
Molecular Weight:
135.18
Molecular Formula:
C4H9NO2S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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L-Homocysteine is an indispensable amino acid that plays a vital role in protein, fat, and carbohydrate metabolism. Additionally, it contributes to the synthesis of various vitamins and hormones. L-homocysteine, derived from methionine, is a sulfur-containing amino acid naturally present in the human body at physiological levels. Elevated levels of L-Homocysteine have been linked to coronary heart diseases, suggesting its potential involvement in their development. L-Homocysteine can react with nitric oxide to generate an anion radical, effectively scavenging free radicals like peroxynitrite and reducing oxidative damage. Moreover, it inhibits collagen synthesis and lysyl oxidase activity. L-homocysteine has demonstrated its ability to scavenge hydroxyl radicals, which are instrumental in lipid peroxidation processes, thereby exhibiting antioxidant effects on LDL oxidation.


L-Homocysteine (CAS 6027-13-0) References

  1. Homocysteine induces expression and secretion of monocyte chemoattractant protein-1 and interleukin-8 in human aortic endothelial cells: implications for vascular disease.  |  Poddar, R., et al. 2001. Circulation. 103: 2717-23. PMID: 11390343
  2. Yeast cystathionine beta-synthase reacts with L-allothreonine, a non-natural substrate, and L-homocysteine to form a new amino acid, 3-methyl-L-cystathionine.  |  Jhee, KH., et al. 2002. Biochemistry. 41: 1828-35. PMID: 11827527
  3. L-Homocysteine and L-homocystine stereospecifically induce endothelial nitric oxide synthase-dependent lipid peroxidation in endothelial cells.  |  Heydrick, SJ., et al. 2004. Free Radic Biol Med. 36: 632-40. PMID: 14980706
  4. Targeting of metallothionein by L-homocysteine: a novel mechanism for disruption of zinc and redox homeostasis.  |  Barbato, JC., et al. 2007. Arterioscler Thromb Vasc Biol. 27: 49-54. PMID: 17082481
  5. Homocysteine measurement by Vitros Microtip homocysteine assay.  |  Martens, GA., et al. 2008. Clin Chem Lab Med. 46: 283-6. PMID: 18324911
  6. Highly enhanced electrochemiluminescent strategy for tumor biomarkers detection with in situ generation of L-homocysteine for signal amplification.  |  Wang, H., et al. 2014. Anal Chim Acta. 815: 16-21. PMID: 24560368
  7. L-Cysteine/D,L-homocysteine-regulated ileum motility via system L and B°(,+) transporter: Modification by inhibitors of hydrogen sulfide synthesis and dietary treatments.  |  Yamane, S., et al. 2015. Eur J Pharmacol. 764: 471-479. PMID: 26201052
  8. Homocysteine Exposure Impairs Myocardial Resistance to Ischaemia Reperfusion and Oxidative Stress.  |  Almashhadany, A., et al. 2015. Cell Physiol Biochem. 37: 2265-74. PMID: 26624798
  9. Central cardiovascular actions of L-homocysteine microinjected into ventrolateral medullary autonomic areas of the rat.  |  Takemoto, Y. 2016. Amino Acids. 48: 2215-25. PMID: 27178024
  10. l-Homocysteine-induced cathepsin V mediates the vascular endothelial inflammation in hyperhomocysteinaemia.  |  Leng, YP., et al. 2018. Br J Pharmacol. 175: 1157-1172. PMID: 28631302
  11. Probucol reverses homocysteine induced inflammatory monocytes differentiation and oxidative stress.  |  Zhang, M., et al. 2018. Eur J Pharmacol. 818: 67-73. PMID: 29055785
  12. A comparison of L-carnitine and several cardiovascular-related biomarkers between healthy vegetarians and omnivores.  |  Lin, TJ., et al. 2019. Nutrition. 66: 29-37. PMID: 31202134
  13. Novel method for l-methionine determination using l-methionine decarboxylase and application of the enzyme for l-homocysteine determination.  |  Okawa, A., et al. 2020. Biosci Biotechnol Biochem. 84: 927-935. PMID: 31959065
  14. Selection of DNA Aptamers for Root Exudate l-Serine Using Multiple Selection Strategies.  |  Mastronardi, E., et al. 2021. J Agric Food Chem. 69: 4294-4306. PMID: 33600189
  15. Characterization and application of l-methionine γ-lyase Q349S mutant enzyme with an enhanced activity toward l-homocysteine.  |  Okawa, A., et al. 2022. J Biosci Bioeng. 133: 213-221. PMID: 34953671

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

L-Homocysteine, 50 mg

sc-280883
50 mg
$287.00

L-Homocysteine, 100 mg

sc-280883A
100 mg
$520.00