Date published: 2026-4-3

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(±)-Blebbistatin (CAS 674289-55-5)

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Alternate Names:
Blebbistatin is known as a racemic mixture of (–)-blebbistatin and (+)-blebbistatin.
Application:
(±)-Blebbistatin is a selective inhibitor of nonmuscle myosin II ATPase and several striated muscle myosins.
CAS Number:
674289-55-5
Purity:
≥96%
Molecular Weight:
292.34
Molecular Formula:
C18H16N2O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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(±)-Blebbistatin is a chemical compound that has been the subject of extensive research in the field of biochemistry and cell biology. It is a potent inhibitor of myosin II, a motor protein involved in various cellular processes, such as cell division, muscle contraction, and cytokinesis. (±)-Blebbistatin can be used as a research tool for studying the functions of myosin II in cells and model organisms. By inhibiting the activity of myosin II, (±)-Blebbistatin can be used to investigate the effects of myosin II inhibition on various cellular processes, such as cell motility, adhesion, and morphology. Researchers have investigated the use of (±)-Blebbistatin as a substrate for the production of other chemical compounds or as a starting material for the synthesis of new compounds. Another area of research on (±)-Blebbistatin is its use as a model compound for studying chemical reactions and mechanisms. It can also be used to investigate fundamental chemical processes, such as enzyme inhibition and protein-ligand interactions.


(±)-Blebbistatin (CAS 674289-55-5) References

  1. Dissecting temporal and spatial control of cytokinesis with a myosin II Inhibitor.  |  Straight, AF., et al. 2003. Science. 299: 1743-7. PMID: 12637748
  2. Inhibition of pancreatic adenocarcinoma cellular invasiveness by blebbistatin: a novel myosin II inhibitor.  |  Duxbury, MS., et al. 2004. Biochem Biophys Res Commun. 313: 992-7. PMID: 14706640
  3. Specificity of blebbistatin, an inhibitor of myosin II.  |  Limouze, J., et al. 2004. J Muscle Res Cell Motil. 25: 337-41. PMID: 15548862
  4. Blebbistatin and blebbistatin-inactivated myosin II inhibit myosin II-independent processes in Dictyostelium.  |  Shu, S., et al. 2005. Proc Natl Acad Sci U S A. 102: 1472-7. PMID: 15671182
  5. Blebbistatin, a myosin II inhibitor, suppresses contraction and disrupts contractile filaments organization of skinned taenia cecum from guinea pig.  |  Watanabe, M., et al. 2010. Am J Physiol Cell Physiol. 298: C1118-26. PMID: 20164381
  6. Blebbistatin effectively uncouples the excitation-contraction process in zebrafish embryonic heart.  |  Jou, CJ., et al. 2010. Cell Physiol Biochem. 25: 419-24. PMID: 20332622
  7. A highly soluble, non-phototoxic, non-fluorescent blebbistatin derivative.  |  Várkuti, BH., et al. 2016. Sci Rep. 6: 26141. PMID: 27241904
  8. Characterization of Blebbistatin Inhibition of Smooth Muscle Myosin and Nonmuscle Myosin-2.  |  Zhang, HM., et al. 2017. Biochemistry. 56: 4235-4243. PMID: 28714309
  9. Medicinal Chemistry and Use of Myosin II Inhibitor (S)-Blebbistatin and Its Derivatives.  |  Roman, BI., et al. 2018. J Med Chem. 61: 9410-9428. PMID: 29878759
  10. Targeting Myosin by Blebbistatin Derivatives: Optimization and Pharmacological Potential.  |  Rauscher, AÁ., et al. 2018. Trends Biochem Sci. 43: 700-713. PMID: 30057142
  11. Blebbistatin-Loaded Poly(d,l-lactide-co-glycolide) Particles For Treating Arthrofibrosis.  |  Atluri, K., et al. 2016. ACS Biomater Sci Eng. 2: 1097-1107. PMID: 33445238
  12. The effective use of blebbistatin to study the action potential of cardiac pacemaker cells of zebrafish (Danio rerio) during incremental warming.  |  Marchant James, L., et al. 2022. Curr Res Physiol. 5: 48-54. PMID: 35128467
  13. The myosin II inhibitor, blebbistatin, ameliorates pulmonary endothelial barrier dysfunction in acute lung injury induced by LPS via NMMHC IIA/Wnt5a/β-catenin pathway.  |  Zhang, J., et al. 2022. Toxicol Appl Pharmacol. 450: 116132. PMID: 35716767

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

(±)-Blebbistatin, 5 mg

sc-203532B
5 mg
$183.00

(±)-Blebbistatin, 10 mg

sc-203532
10 mg
$313.00

(±)-Blebbistatin, 25 mg

sc-203532A
25 mg
$464.00

(±)-Blebbistatin, 50 mg

sc-203532C
50 mg
$942.00

(±)-Blebbistatin, 100 mg

sc-203532D
100 mg
$1723.00

What is the stability when reconstituted in DMSO?

Asked by: SCchem16
Thank you for your question. This chemical, (±)-Blebbistatin (CAS 674289-55-5), is unstable when reconstituted in 100% DMSO so it is suggested to reconstitute just prior to use.
Answered by: Chemical Support 2
Date published: 2017-03-02
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Rated 5 out of 5 by from GuoGuo, WH. et al. (PubMed 17804814) used ( )-Blebbistatin, a selective inhibitor of myosin II ATPase, for a structural study of actin filaments. Actin filaments were viewed using live cell fluorescence imaging. -SCBT Publication Review
Date published: 2015-05-30
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(±)-Blebbistatin is rated 5.0 out of 5 by 1.
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