Date published: 2026-4-5

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KT5823 (CAS 126643-37-6)

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Alternate Names:
KT-5823
Application:
KT5823 is a selective inhibitor of cGKI and spontaneous apoptosis
CAS Number:
126643-37-6
Purity:
≥97%
Molecular Weight:
495.50
Molecular Formula:
C29H25N3O5
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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KT5823 is a derivative of K-252a (sc-200517) and a selective inhibitor of cGMP-dependent protein kinases (cGKI, Ki=2.4nM) in vitro, but does not inhibit cGMP-dependent protein kinase phosphorylation of VASP in either intact platelets or rat mesangial cells. KT5823 has also been shown to dose-dependently inhibit spontaneous apoptosis of neutrophils, thus suggesting cGK as a mediator of neutrophil spontaneous apoptosis.


KT5823 (CAS 126643-37-6) References

  1. KT5823 inhibits cGMP-dependent protein kinase activity in vitro but not in intact human platelets and rat mesangial cells.  |  Burkhardt, M., et al. 2000. J Biol Chem. 275: 33536-41. PMID: 10922374
  2. Inhibition of cGMP-dependent protein kinases potently decreases neutrophil spontaneous apoptosis.  |  Brunetti, M., et al. 2002. Biochem Biophys Res Commun. 297: 498-501. PMID: 12270121
  3. Inhibition of histamine H1 receptor downregulation by KT5823, a protein kinase G inhibitor.  |  Miyoshi, K., et al. 2003. Methods Find Exp Clin Pharmacol. 25: 343-7. PMID: 12851655
  4. Guanylyl cyclase inhibitors NS2028 and ODQ and protein kinase G (PKG) inhibitor KT5823 trigger apoptotic DNA fragmentation in immortalized uterine epithelial cells: anti-apoptotic effects of basal cGMP/PKG.  |  Chan, SL. and Fiscus, RR. 2003. Mol Hum Reprod. 9: 775-83. PMID: 14614039
  5. Signaling in the mammalian circadian clock: the NO/cGMP pathway.  |  Golombek, DA., et al. 2004. Neurochem Int. 45: 929-36. PMID: 15312987
  6. KT5823 activates human neutrophils and fails to inhibit cGMP-dependent protein kinase phosphorylation of vimentin.  |  Wyatt, TA., et al. 1991. Res Commun Chem Pathol Pharmacol. 74: 3-14. PMID: 1666198
  7. KT5823 differentially modulates sodium iodide symporter expression, activity, and glycosylation between thyroid and breast cancer cells.  |  Beyer, S., et al. 2011. Endocrinology. 152: 782-92. PMID: 21209020
  8. K-252 compounds, novel and potent inhibitors of protein kinase C and cyclic nucleotide-dependent protein kinases.  |  Kase, H., et al. 1987. Biochem Biophys Res Commun. 142: 436-40. PMID: 3028414
  9. Decorin Protects Cardiac Myocytes against Simulated Ischemia/Reperfusion Injury.  |  Gáspár, R., et al. 2020. Molecules. 25: PMID: 32731559
  10. Potential and limitations of PKA/ PKG inhibitors for platelet studies.  |  Shpakova, V., et al. 2022. Platelets. 33: 859-868. PMID: 34845961
  11. Regulation of cardiac ryanodine receptor function by the cyclic-GMP dependent protein kinase G.  |  Gonano, LA., et al. 2022. Curr Res Physiol. 5: 171-178. PMID: 35356048
  12. C-Type Natriuretic Peptide Regulates the Expression and Secretion of Antibacterial Peptide S100A7 in Goat Mammary Gland Through PKG/JNK/c-Jun Signaling Pathway.  |  Fan, M., et al. 2022. Front Vet Sci. 9: 822165. PMID: 35498722
  13. Isoquinolinesulfonamides, novel and potent inhibitors of cyclic nucleotide dependent protein kinase and protein kinase C.  |  Hidaka, H., et al. 1984. Biochemistry. 23: 5036-41. PMID: 6238627

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

KT5823, 100 µg

sc-3534
100 µg
$182.00

KT5823, 1 mg

sc-3534A
1 mg
$1228.00

KT5823, 5 mg

sc-3534B
5 mg
$4895.00

Me gustaría si podrían darnos presupuesto para un bulk de KT 5823 nº CAS 126643-37-6, estaríamos interesados en 1, 2 o 5mg Gracias

Asked by: Marta33
Please contact our Special Orders Department to inquire about availability and to receive a quote for a bulk quantity of this chemical. Please call our Technical Service Department, or email <specialorders@scbt.com>.
Answered by: Tech Service
Date published: 2019-10-21
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Rated 5 out of 5 by from ZhouZhou, et. al. (PubMed ID 23174781) used KT5823, purchased from SCBT, along with other inhibitors to clarify resistan's signal transduction pathway. HepG2 cells were used with a dosage of 50nM. -SCBT Publication Review
Date published: 2015-05-07
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KT5823 is rated 5.0 out of 5 by 1.
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