Product overview

Name KN-62
Purity >98%
Description Selective CaM kinase II inhibitor. P2X7 receptor antagonist.
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KN-62 product vial image | Hello Bio

Biological Data

Biological description Selective CaM kinase II inhibitor (IC50 = 500 nM). Also potent, non-competitive P2X7 receptor antagonist (IC50 = 15 nM). Also inhibits GSK3β, PRAK and MAPKAP-K2. Cell-permeable, potential anticancer actions through suppression of HIF-1α.

Solubility & Handling

Storage instructions -20°C (desiccate)
Solubility overview Soluble in DMSO (100mM)
Important This product is for RESEARCH USE ONLY and is not intended for therapeutic or diagnostic use. Not for human or veterinary use.



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Chemical Data

Purity >98%
Chemical name 4-[(2S)-2-[(5-isoquinolinylsulfonyl)methylamino]-3-oxo-3-(4-phenyl-1-piperazinyl)propyl] phenyl isoquinolinesulfonic acid ester
Molecular Weight 721.84
Chemical structure KN-62  [127191-97-3] Chemical Structure
Molecular Formula C38H35N5O6S2
CAS Number 127191-97-3
PubChem identifier 5312126
SMILES CN([C@@H](CC1=CC=C(C=C1)OS(=O)(=O)C2=CC=CC3=C2C=CN=C3)C(=O)N4CCN(CC4)C5=CC=CC=C5)S(=O)(=O)C6=CC=CC7=C6C=CN=C7

References for KN-62

References are publications that support the biological activity of the product
  • Specificity and mechanism of action of some commonly used protein kinase inhibitors.

    Davies SP et al (2000) Biochem J 351(Pt 1) : 95-105.
  • Effects of antagonists at the human recombinant P2X7 receptor.

    Chessell IP et al (1998) Br J Pharmacol 124(6) : 1314-20.
  • KN-62, 1-[N,O-bis(5-isoquinolinesulfonyl)-N-methyl-L-tyrosyl]-4-phenylpiperazi ne, a specific inhibitor of Ca2+/calmodulin-dependent protein kinase II.

    Tokumitsu H et al (1990) J Biol Chem 265(8) : 4315-20.

3 Item(s)

These publications cite the use of KN-62 purchased from Hello Bio:
  • PKA drives an increase in AMPA receptor unitary conductance during LTP in the hippocampus

    Park P et al (2021) Nat Commun 12(1) : 413
    PubMedID: 33462202

1 Item