Date published: 2025-11-24

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CA-074 (CAS 134448-10-5)

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Alternate Names:
N-(3-propylcarbamoyloxirane-2-carbonyl)-isoleucyl-proline; L-Proline, 1-(N-((3-((propylamino)carbonyl)oxiranyl)carbonyl)-L-isoleucyl)-, (2S-trans)-
Application:
CA-074 is a potent and specific inhibitor of cathepsin B in vitro
CAS Number:
134448-10-5
Molecular Weight:
383.44
Molecular Formula:
C18H29N3O6
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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CA-074 is a potent and specific inhibitor of cathepsin B. CA-074 is known for the inhibition of the enzyme acetylcholinesterase and the activation of caspase-3. It has also been studied for its potential to modulate the activity of certain proteins, such as the transcription factor NF-κB.


CA-074 (CAS 134448-10-5) References

  1. Inhibitory effect of cathepsin B inhibitor CA 074 on mouse anti-rat mixed lymphocyte reaction: novel immunosuppressive strategy for indirect xenoantigen recognition.  |  Tohyama, T., et al. 2000. Transplant Proc. 32: 944-5. PMID: 10936287
  2. CA-074, but not its methyl ester CA-074Me, is a selective inhibitor of cathepsin B within living cells.  |  Montaser, M., et al. 2002. Biol Chem. 383: 1305-8. PMID: 12437121
  3. Novel epoxysuccinyl peptides. A selective inhibitor of cathepsin B, in vivo.  |  Towatari, T., et al. 1991. FEBS Lett. 280: 311-5. PMID: 2013329
  4. Cathepsin B inhibition limits bone metastasis in breast cancer.  |  Withana, NP., et al. 2012. Cancer Res. 72: 1199-209. PMID: 22266111
  5. CA-074Me compound inhibits osteoclastogenesis via suppression of the NFATc1 and c-FOS signaling pathways.  |  Patel, N., et al. 2015. J Orthop Res. 33: 1474-86. PMID: 25428830
  6. HIV-infected microglia mediate cathepsin B-induced neurotoxicity.  |  Zenón, F., et al. 2015. J Neurovirol. 21: 544-58. PMID: 26092112
  7. Cathepsin B inhibition ameliorates the non-alcoholic steatohepatitis through suppressing caspase-1 activation.  |  Tang, Y., et al. 2018. J Physiol Biochem. 74: 503-510. PMID: 30019185
  8. The Role of Cathepsin B in the Degradation of Aβ and in the Production of Aβ Peptides Starting With Ala2 in Cultured Astrocytes.  |  Oberstein, TJ., et al. 2020. Front Mol Neurosci. 13: 615740. PMID: 33510618
  9. Cathepsin B inhibitor alleviates Th1, Th17, and Th22 transcription factor signaling dysregulation in experimental autoimmune encephalomyelitis.  |  Ansari, MA., et al. 2022. Exp Neurol. 351: 113997. PMID: 35122866
  10. Cathepsin-B inhibitor CA-074 attenuates retinopathy and optic neuritis in experimental autoimmune encephalomyelitis induced in SJL/J mice.  |  Rashid Khan, M., et al. 2023. Saudi Pharm J. 31: 147-153. PMID: 36685301
  11. Assessment of cathepsin L activity by use of the inhibitor CA-074 compared to cathepsin B activity in human lung tumor tissue.  |  Werle, B., et al. 1995. Biol Chem Hoppe Seyler. 376: 157-64. PMID: 7612192
  12. Specific assay method for the activities of cathepsin L-type cysteine proteinases.  |  Inubushi, T., et al. 1994. J Biochem. 116: 282-4. PMID: 7822244
  13. Participation of cathepsin L on bone resorption.  |  Kakegawa, H., et al. 1993. FEBS Lett. 321: 247-50. PMID: 8477857
  14. Inhibition of ischaemic hippocampal neuronal death in primates with cathepsin B inhibitor CA-074: a novel strategy for neuroprotection based on 'calpain-cathepsin hypothesis'.  |  Yamashima, T., et al. 1998. Eur J Neurosci. 10: 1723-33. PMID: 9751144

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CA-074, 1 mg

sc-202513
1 mg
$315.00