CAS No. 1493764-08-1

Batch: Purity:99.99
UNC2881 Chemical Structure
Chemical Structure
Check the UNC2881 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-(butylamino)-4-[(4-hydroxycyclohexyl)amino]-N-[(4-imidazol-1-ylphenyl)methyl]pyrimidine-5-carboxamide
CAS Number 1493764-08-1
Molecular Formula

C25H33N7O2

Molecular Weight (MW) 463.58
SMILES CCCCNC1=NC=C(C(=N1)NC2CCC(CC2)O)C(=O)NCC3=CC=C(C=C3)N4C=CN=C4
InChIKey NPVXOWLPOFYACO-UHFFFAOYSA-N

Biological Activity

UNC2881 is a potent, selective inhibitor of Mer tyrosine kinase (IC50 4.3 nM) displaying 83-fold selectivity over Axl and 58-fold selectivity over Tyro3. By targeting the MERTK kinase domain, UNC2881 blocks receptor autophosphorylation and suppresses downstream AKT and MAPK signaling pathways. This inhibition reduces oncogenic cell survival, proliferation, and migration in MERTK-dependent cancer models.

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 92 mg/mL (198.45 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 7 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).
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Note: Technical data last updated: Sep 1, 2026.