Date published: 2025-12-18

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L-Canavanine (CAS 543-38-4)

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Alternate Names:
L-α-Amino-γ-(guanidinooxy)-n-butyric acid
Application:
L-Canavanine is a selective inhibitor of NOS2
CAS Number:
543-38-4
Purity:
≥98%
Molecular Weight:
176.17
Molecular Formula:
C5H12N4O3
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-Canavanine is a selective inhibitor of NOS2 (iNOS). Overproduction of NO by NOS2 plays a role in the pathophysiology of septic shock and chronic inflammation. L-Canavanine is a naturally occurring L-amino acid that interferes with L-arginine-utilizing enzymes due to its structural similarity.


L-Canavanine (CAS 543-38-4) References

  1. L-Canavanine modulates cellular growth, chemosensitivity and P-glycoprotein substrate accumulation in cultured human tumor cell lines.  |  Worthen, DR., et al. 1998. Cancer Lett. 132: 229-39. PMID: 10397478
  2. L-canavanine, a selective inhibitor of inducible NO synthase, increases plasma endothelin-1 concentrations in dogs with endotoxic shock.  |  Mitaka, C., et al. 2001. J Crit Care. 16: 17-23. PMID: 11230720
  3. Plant growth inhibitory activity of L-canavanine and its mode of action.  |  Nakajima, N., et al. 2001. J Chem Ecol. 27: 19-31. PMID: 11382064
  4. L-Canavanine: a higher plant insecticidal allelochemical.  |  Rosenthal, GA. 2001. Amino Acids. 21: 319-30. PMID: 11764412
  5. The antiproliferative and immunotoxic effects of L-canavanine and L-canaline.  |  Bence, AK., et al. 2002. Anticancer Drugs. 13: 313-20. PMID: 11984075
  6. L-canavanine inhibits L-arginine uptake by broiler chicken intestinal brush border membrane vesicles.  |  Rueda, E., et al. 2003. Br Poult Sci. 44: 620-5. PMID: 14584853
  7. L-canavanine is a time-controlled mechanism-based inhibitor of Pseudomonas aeruginosa arginine deiminase.  |  Lu, X., et al. 2005. J Am Chem Soc. 127: 16412-3. PMID: 16305225
  8. Inactivation of microbial arginine deiminases by L-canavanine.  |  Li, L., et al. 2008. J Am Chem Soc. 130: 1918-31. PMID: 18205354
  9. Plant insecticide L-canavanine repels Drosophila via the insect orphan GPCR DmX.  |  Mitri, C., et al. 2009. PLoS Biol. 7: e1000147. PMID: 19564899
  10. The natural abundance of L-canavanine, an active anticancer agent, in alfalfa, medicago sativa (L.).  |  Rosenthal, GA. and Nkomo, P. 2000. Pharm Biol. 38: 1-6. PMID: 21214431
  11. Gustatory receptors required for avoiding the insecticide L-canavanine.  |  Lee, Y., et al. 2012. J Neurosci. 32: 1429-35. PMID: 22279227
  12. Cyanamide is biosynthesized from L-canavanine in plants.  |  Kamo, T., et al. 2015. Sci Rep. 5: 10527. PMID: 26013398
  13. L-Canavanine, a Root Exudate From Hairy Vetch (Vicia villosa) Drastically Affecting the Soil Microbial Community and Metabolite Pathways.  |  Mardani-Korrani, H., et al. 2021. Front Microbiol. 12: 701796. PMID: 34646244
  14. Beneficial effects of L-canavanine, a selective inhibitor of inducible nitric oxide synthase, during rodent endotoxaemia.  |  Liaudet, L., et al. 1996. Clin Sci (Lond). 90: 369-77. PMID: 8665774
  15. L-canavanine, an inhibitor of inducible nitric oxide synthase, improves venous return in endotoxemic rats.  |  Fishman, D., et al. 1997. Crit Care Med. 25: 469-75. PMID: 9118664

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

L-Canavanine, 250 mg

sc-364687
250 mg
$224.00

L-Canavanine, 1 g

sc-364687A
1 g
$653.00

I didn't store the L-canavaine bottle at 4degC when I received it. It was at ~18degC for 1-2 weeks. Will it still be okay to use?

Asked by: Pixar
Thank you for your question. This should be stored at 4C, and we don’t have specific data if this was frozen, but if it was a short period of time the product should be okay.
Answered by: Technical Support
Date published: 2019-09-11

What is the solubility of the compound in water?

Asked by: two2igm05
Thank you for your question. The solubility of L-Canavanine, sc-364687, in water is <100 mg/mL.
Answered by: Chemical Support 4
Date published: 2017-03-25
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Rated 5 out of 5 by from great servicewe are facing a great customer service !! it is really appreciated.
Date published: 2021-12-26
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L-Canavanine is rated 5.0 out of 5 by 1.
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