Date published: 2026-7-28

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Y-27632 dihydrochloride (CAS 129830-38-2)

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Alternate Names:
Y-27632 dihydrochloride is also known as ROCK Inhibitor
Application:
Y-27632 dihydrochloride is a cell permeable inhibitor of ROCK-1 and ROCK-2 which plays an important role in Rho-mediated cell adhesion and smooth muscle contraction.
CAS Number:
129830-38-2
Purity:
≥98%
Molecular Weight:
320.26
Molecular Formula:
C14H21N3O•2HCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Y-27632 dihydrochloride is a selective Rho-kinase inhibitor. Y-27632 dihydrochloride suppresses cholinergic nerve-mediated contractions. In addition, studies show that Y-27632 dihydrochloride increases the release of neurotransmitters from cholinergic nerves. Studies conducted on smooth muscle preparations suggest that Y-27632 dihydrochloride suppresses nerve-mediated contractile responses stimulated by acetylcholine and noradrenaline. Furthermore, studies on lung tissue damage in rats suggest that Y-27632 dihydrochloride can restore the damage caused by oleic acid by inhibition of ROCK-1 and ROCK-2. Y-27632 dihydrochloride also inhibits protein kinase C related kinase, PRK2.


Y-27632 dihydrochloride (CAS 129830-38-2) References

  1. Specificity and mechanism of action of some commonly used protein kinase inhibitors.  |  Davies, SP., et al. 2000. Biochem J. 351: 95-105. PMID: 10998351
  2. Use and properties of ROCK-specific inhibitor Y-27632.  |  Narumiya, S., et al. 2000. Methods Enzymol. 325: 273-84. PMID: 11036610
  3. Rho-kinase (ROCK-1 and ROCK-2) upregulation in oleic acid-induced lung injury and its restoration by Y-27632.  |  Köksel, O., et al. 2005. Eur J Pharmacol. 510: 135-42. PMID: 15740734
  4. A Rho-kinase inhibitor, Y-27632, reduces cholinergic contraction but not neurotransmitter release.  |  Fernandes, L., et al. 2006. Eur J Pharmacol. 550: 155-61. PMID: 17010334
  5. Increased liver uptake and reduced hepatic stellate cell activation with a cell-specific conjugate of the Rho-kinase inhibitor Y27632.  |  van Beuge, MM., et al. 2011. Pharm Res. 28: 2045-54. PMID: 21442374
  6. Similar hydrodynamic and morphological changes in the aqueous humor outflow pathway after washout and Y27632 treatment in monkey eyes.  |  Lu, Z., et al. 2011. Exp Eye Res. 93: 397-404. PMID: 21669200
  7. Y27632 attenuates the aristolochic acid-promoted invasion and migration of human urothelial cancer TSGH cells in vitro and inhibits the growth of xenografts in vivo.  |  Huang, HP., et al. 2012. Nephrol Dial Transplant. 27: 565-75. PMID: 21799205
  8. ROCK inhibition with Y27632 promotes the proliferation and cell cycle progression of cultured astrocyte from spinal cord.  |  Yu, Z., et al. 2012. Neurochem Int. 61: 1114-20. PMID: 22929997
  9. Effects of Y27632 on keratinocyte procurement and wound healing.  |  Gandham, VD., et al. 2013. Clin Exp Dermatol. 38: 782-6. PMID: 23675999
  10. Effect of oxidative stress on Rho kinase II and smooth muscle contraction in rat stomach.  |  Al-Shboul, O. and Mustafa, A. 2015. Can J Physiol Pharmacol. 93: 405-11. PMID: 25752964
  11. Using Human Induced Pluripotent Stem Cell-derived Intestinal Organoids to Study and Modify Epithelial Cell Protection Against Salmonella and Other Pathogens.  |  Lees, EA., et al. 2019. J Vis Exp.. PMID: 31132035
  12. Expression of Acyl-CoA wax-alcohol acyltransferase 2 (AWAT2) by human and rabbit meibomian glands and meibocytes.  |  Rho, CR., et al. 2022. Ocul Surf. 23: 60-70. PMID: 34838721
  13. Mechanical Stretch Promotes Macrophage Polarization and Inflammation via the RhoA-ROCK/NF-κB Pathway.  |  Tu, PC., et al. 2022. Biomed Res Int. 2022: 6871269. PMID: 35915804
  14. Calcium sensitization of smooth muscle mediated by a Rho-associated protein kinase in hypertension.  |  Uehata, M., et al. 1997. Nature. 389: 990-4. PMID: 9353125
  15. An essential part for Rho-associated kinase in the transcellular invasion of tumor cells.  |  Itoh, K., et al. 1999. Nat Med. 5: 221-5. PMID: 9930872

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Y-27632 dihydrochloride, 1 mg

sc-281642
1 mg
$94.00

Y-27632 dihydrochloride, 10 mg

sc-281642A
10 mg
$237.00