CAS No. 1414943-88-6

Batch: Purity:99.03
Atuveciclib (BAY-1143572) Chemical Structure
Chemical Structure
Check the Atuveciclib (BAY-1143572) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 4-(4-fluoro-2-methoxyphenyl)-N-[3-[(methylsulfonimidoyl)methyl]phenyl]-1,3,5-triazin-2-amine
CAS Number 1414943-88-6
Molecular Formula

C18H18FN5O2S

Molecular Weight (MW) 387.43
SMILES COC1=C(C=CC(=C1)F)C2=NC(=NC=N2)NC3=CC=CC(=C3)CS(=N)(=O)C
InChIKey ACWKGTGIJRCOOM-UHFFFAOYSA-N

Ordering Information

Biological Activity

Atuveciclib (BAY-1143572) is a potent, selective P-TEFb/CDK9 inhibitor that targets CDK9/CycT (IC50 13 nM), showing about 100-fold selectivity over CDK2 while inhibiting GSK3α (IC50 45 nM) and GSK3β (IC50 87 nM). By targeting CDK9, it suppresses RNA polymerase II C-terminal domain phosphorylation, disrupting transcriptional elongation. This pathway blockade selectively downregulates short-lived oncogenic and anti-apoptotic proteins such as MYC and MCL1, ultimately triggering apoptosis in tumor cells.

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 77 mg/mL (198.74 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.