CAS No. 1513879-19-0

Batch: Purity:99.67
KDU691 Chemical Structure
Chemical Structure
Check the KDU691 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name N-(4-chlorophenyl)-N-methyl-3-[4-(methylcarbamoyl)phenyl]imidazo[1,2-a]pyrazine-6-carboxamide
CAS Number 1513879-19-0
Molecular Formula

C22H18ClN5O2

Molecular Weight (MW) 419.86
SMILES CNC(=O)C1=CC=C(C=C1)C2=CN=C3N2C=C(N=C3)C(=O)N(C)C4=CC=C(C=C4)Cl
InChIKey TYMFFISSODJRDV-UHFFFAOYSA-N

Ordering Information

Biological Activity

KDU691 is a potent imidazopyrazine-class inhibitor targeting Plasmodium phosphatidylinositol 4-kinase (PI4K). By selectively inhibiting PI4K activity, KDU691 disrupts critical intracellular lipid signaling and membrane trafficking pathways across multiple parasite stages. This inhibition effectively suppresses both liver schizonts and hypnozoite forms of Plasmodium, leading to the blockage of liver-stage parasite development and prevention of disease transmission. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
1 mg 5 mg 10 mg
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 84 mg/mL (200.06 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 10 mg/mL
Water Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).
Note: Technical data last updated: Sep 1, 2026.