CAS No. 1236699-92-5

Batch: Purity:99.93
Pimasertib (AS-703026) Chemical Structure
Chemical Structure
Check the Pimasertib (AS-703026) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name N-[(2S)-2,3-dihydroxypropyl]-3-(2-fluoro-4-iodoanilino)pyridine-4-carboxamide
CAS Number 1236699-92-5
Molecular Formula

C15H15FIN3O3

Molecular Weight (MW) 431.20
SMILES C1=CC(=C(C=C1I)F)NC2=C(C=CN=C2)C(=O)NCC(CO)O
InChIKey VIUAUNHCRHHYNE-JTQLQIEISA-N

Biological Activity

Pimasertib (AS-703026) is a highly selective, ATP-noncompetitive allosteric inhibitor targeting MEK1 and MEK2. Blockade of the MAPK/ERK pathway by pimasertib suppresses cell proliferation and induces G0/G1 cell cycle arrest in multiple myeloma cells with IC50 values ranging from 0.005 to 2 μM. Additionally, pimasertib inhibits osteoclast differentiation and sensitizes multiple myeloma cells to standard anti-myeloma therapeutics.

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 86 mg/mL (199.44 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
Ethanol 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.