For research use only. Not for therapeutic Use.
KH-CB20, an E/Z mixture, is a potent and selective inhibitor of CLK1 and the closely related isoform CLK4, with an IC50 of 16.5 nM for CLK1. KH-CB20 can also inhibit DYRK1A (IC50=57.8 nM) and CLK3 (IC50=488 nM)[1].
KH-CB20 shows selectivity for CLK1 (IC50=16.5 nM) over DYRK1A (IC50=57.8 nM) and CLK3 (IC50=488 nM)[1].
Catalog Number | I044335 |
CAS Number | 1354448-60-4 |
Synonyms | ethyl 3-[(E)-2-amino-1-cyanoethenyl]-6,7-dichloro-1-methylindole-2-carboxylate |
Molecular Formula | C15H13Cl2N3O2 |
Purity | ≥95% |
InChI | InChI=1S/C15H13Cl2N3O2/c1-3-22-15(21)14-11(8(6-18)7-19)9-4-5-10(16)12(17)13(9)20(14)2/h4-6H,3,18H2,1-2H3/b8-6- |
InChIKey | CXJCGSPAPOTTSF-VURMDHGXSA-N |
SMILES | CCOC(=O)C1=C(C2=C(N1C)C(=C(C=C2)Cl)Cl)C(=CN)C#N |
Reference | [1]. Fedorov O, et, al. Specific CLK inhibitors from a novel chemotype for regulation of alternative splicing. Chem Biol. 2011 Jan 28;18(1):67-76. |