CAS No. 934541-31-8

Batch: Purity:99.83
TAK-901 Chemical Structure
Chemical Structure
Check the TAK-901 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 5-(3-ethylsulfonylphenyl)-3,8-dimethyl-N-(1-methylpiperidin-4-yl)-9H-pyrido[2,3-b]indole-7-carboxamide
CAS Number 934541-31-8
Molecular Formula

C28H32N4O3S

Molecular Weight (MW) 504.64
SMILES CCS(=O)(=O)C1=CC=CC(=C1)C2=CC(=C(C3=C2C4=C(N3)N=CC(=C4)C)C)C(=O)NC5CCN(CC5)C
InChIKey WKDACQVEJIVHMZ-UHFFFAOYSA-N

Ordering Information

Biological Activity

TAK-901 is a potent small-molecule inhibitor targeting Aurora A and Aurora B kinases. By inhibiting Aurora kinase activity, TAK-901 disrupts mitotic spindle assembly and chromosome segregation during cell division. This dysfunction suppresses downstream mitotic signaling pathways, leading to cell cycle arrest at the G2/M transition, inhibition of cell proliferation, and induction of apoptosis in multiple cancer cell types. [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 101 mg/mL (200.14 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.