CAS No. 212631-79-3

Batch: Purity:99.96
CI-1040 (PD184352) Chemical Structure
Chemical Structure
Check the CI-1040 (PD184352) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-(2-chloro-4-iodoanilino)-N-(cyclopropylmethoxy)-3,4-difluorobenzamide
CAS Number 212631-79-3
Molecular Formula

C17H14ClF2IN2O2

Molecular Weight (MW) 478.67
SMILES C1CC1CONC(=O)C2=C(C(=C(C=C2)F)F)NC3=C(C=C(C=C3)I)Cl
InChIKey GFMMXOIFOQCCGU-UHFFFAOYSA-N

Ordering Information

Biological Activity

CI-1040 (PD184352) is an ATP non-competitive MEK inhibitor that directly targets MEK1 with an IC50 of. By blocking MEK activity within the MAPK/ERK signaling cascade, CI-1040 prevents the downstream phosphorylation of ERK1/2. This targeted inhibition effectively disrupts MAPK pathway signal transduction, resulting in suppressed cell proliferation and the induction of apoptosis in cancer cells. [1]

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 96 mg/mL (200.55 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 14 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.