CAS No. 1523406-39-4

Batch: Purity:99.79
SAR405 Chemical Structure
Chemical Structure
Check the SAR405 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (8S)-9-[(5-chloro-3-pyridinyl)methyl]-2-[(3R)-3-methylmorpholin-4-yl]-8-(trifluoromethyl)-7,8-dihydro-6H-pyrimido[1,2-a]pyrimidin-4-one
CAS Number 1523406-39-4
Molecular Formula

C19H21ClF3N5O2

Molecular Weight (MW) 443.85
SMILES CC1COCCN1C2=CC(=O)N3CCC(N(C3=N2)CC4=CC(=CN=C4)Cl)C(F)(F)F
InChIKey SPDQRCUBFSRAFI-DOMZBBRYSA-N

Biological Activity

SAR405 is a highly selective low-molecular-mass kinase inhibitor of PIK3C3/Vps34 (Kd 1.5 nM) that demonstrates no significant activity against class I and class II PI3Ks or mTOR up to. By targeting Vps34 within the autophagy machinery, SAR405 prevents autophagosome formation and inhibits vesicle trafficking. Consequently, SAR405 synergizes with mTOR inhibitors to impair tumor cell proliferation. [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 89 mg/mL (200.51 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 89 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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Reference

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Note: Technical data last updated: Sep 1, 2026.