Date published: 2025-9-29

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Biotin-VAD-FMK (CAS 1135688-15-1)

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Alternate Names:
Biotin-VAD-FMK also known as Biotin-Val-Ala-Asp(OMe)-Fluoromethyl ketone; pan-caspase inhibitor; Biotin-VAD(OMe)-FMK
Application:
Biotin-VAD-FMK is a cell permeable biotin-labeled caspase inhibitor used to identify active caspases in cell lysates
CAS Number:
1135688-15-1
Molecular Weight:
672.81
Molecular Formula:
C30H49FN6O8S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Biotin-VAD-FMK is a cell permeable biotin-labeled pan-caspase inhibitor used to identify active caspases in cell lysates. Biotin-VAD-FMK is an irreversible caspase inhibitor that covalently binds to the active cavity of a wide spectrum of active caspases. Affinity labeling of active caspases with biotin-VAD-fmk was carried out under conditions where more than 95% of caspase-3-like activity was inactivated in lysates from TNFα/ActD-treated cells. Biotin-VAD-FMK is an irreversible, pancaspase inhibitor. Inhibits TNFα-mediated apoptosis in vitro (IC50 = 0.7 μM).


Biotin-VAD-FMK (CAS 1135688-15-1) References

  1. Nitric oxide suppresses apoptosis via interrupting caspase activation and mitochondrial dysfunction in cultured hepatocytes.  |  Li, J., et al. 1999. J Biol Chem. 274: 17325-33. PMID: 10358093
  2. Constitutive caspase-like machinery executes programmed cell death in plant cells.  |  Elbaz, M., et al. 2002. Cell Death Differ. 9: 726-33. PMID: 12058273
  3. The PIDDosome, a protein complex implicated in activation of caspase-2 in response to genotoxic stress.  |  Tinel, A. and Tschopp, J. 2004. Science. 304: 843-6. PMID: 15073321
  4. Interchain proteolysis, in the absence of a dimerization stimulus, can initiate apoptosis-associated caspase-8 activation.  |  Murphy, BM., et al. 2004. J Biol Chem. 279: 36916-22. PMID: 15210716
  5. Using a small molecule inhibitor of peptide: N-glycanase to probe its role in glycoprotein turnover.  |  Misaghi, S., et al. 2004. Chem Biol. 11: 1677-87. PMID: 15610852
  6. Cellular FLIP long form augments caspase activity and death of T cells through heterodimerization with and activation of caspase-8.  |  Dohrman, A., et al. 2005. J Immunol. 175: 311-8. PMID: 15972663
  7. The impact of skin viability on drug metabolism and permeation -- BSA toxicity on primary keratinocytes.  |  Haberland, A., et al. 2006. Toxicol In Vitro. 20: 347-54. PMID: 16182510
  8. Caspase-2 primes cancer cells for TRAIL-mediated apoptosis by processing procaspase-8.  |  Shin, S., et al. 2005. EMBO J. 24: 3532-42. PMID: 16193064
  9. Loss of caspase-9 reveals its essential role for caspase-2 activation and mitochondrial membrane depolarization.  |  Samraj, AK., et al. 2007. Mol Biol Cell. 18: 84-93. PMID: 17079734
  10. Activation of gamma delta T cells by Borrelia burgdorferi is indirect via a TLR- and caspase-dependent pathway.  |  Collins, C., et al. 2008. J Immunol. 181: 2392-8. PMID: 18684928
  11. Caspase-1 promiscuity is counterbalanced by rapid inactivation of processed enzyme.  |  Walsh, JG., et al. 2011. J Biol Chem. 286: 32513-24. PMID: 21757759
  12. FADD and caspase-8 mediate priming and activation of the canonical and noncanonical Nlrp3 inflammasomes.  |  Gurung, P., et al. 2014. J Immunol. 192: 1835-46. PMID: 24453255
  13. Apoptosis inhibitor 5 is an endogenous inhibitor of caspase-2.  |  Imre, G., et al. 2017. EMBO Rep. 18: 733-744. PMID: 28336776
  14. Caspases: enemies within.  |  Thornberry, NA. and Lazebnik, Y. 1998. Science. 281: 1312-6. PMID: 9721091

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Biotin-VAD-FMK, 1 mg

sc-311290
1 mg
$398.00

Biotin-VAD-FMK, 5 mg

sc-311290A
5 mg
$1938.00

after you make the 20mM solution in DMSO, you keep it at -20C. do you aliquot? what concentration do you use for treatment and pull down?

Asked by: dorina
Thank you for your question. It would be helpful if you could call 800-457-3801, allowing for a more interactive discussion of this and other related questions.
Answered by: Technical Service
Date published: 2022-09-07

what's the purity of this compound? Thanks

Asked by: li32
Thank you for your question. Each lot of this chemical comes with a lot-specific Certificate Of Analysis which typically describes the percent purity as well as the method used to determine the purity. You may request a lot-specific Certificate Of Analysis on our website. Alternatively, please contact our Technical Service Department to inquire about the purity of our most recent lot.
Answered by: Technical Support
Date published: 2019-01-26

How do you make a stock solution of this product?

Asked by: hawkeye11
Thank you for your question. This chemical, Biotin-VAD-FMK, can be made into a stock solution with high purity DMSO, 20 mM.
Answered by: Chemical Support 1
Date published: 2018-01-04
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Rated 5 out of 5 by from Various publications cite the use BiotinVarious publications cite the use Biotin-VAD-FMK, a cell permeable biotin-labeled pan-caspase inhibitor, to identify active caspases in cell lysates. -SCBT Publication Review
Date published: 2015-03-15
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Biotin-VAD-FMK is rated 5.0 out of 5 by 1.
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