CAS No. 2408648-20-2

Batch: Purity:99.72
BO-264 Chemical Structure
Chemical Structure
Check the BO-264 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 3-(4-methoxyphenyl)-N-(2-morpholin-4-ylpyrimidin-4-yl)-1,2-oxazol-5-amine
CAS Number 2408648-20-2
Molecular Formula

C18H19N5O3

Molecular Weight (MW) 353.38
SMILES COC1=CC=C(C=C1)C2=NOC(=C2)NC3=NC(=NC=C3)N4CCOCC4
InChIKey WRCGBYNVBFVRTN-UHFFFAOYSA-N

Ordering Information

Biological Activity

BO-264 is a potent and orally active inhibitor of transforming acidic coiled-coil 3 (TACC3). By targeting TACC3, BO-264 disrupts mitotic spindle stability and specifically blocks the oncogenic function of the FGFR3-TACC3 fusion protein. Suppression of TACC3 activity leads to spindle assembly checkpoint-dependent mitotic arrest, induction of apoptosis, and accumulation of DNA damage, resulting in significant antitumor efficacy in TACC3-dependent cancer models. [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 71 mg/mL (200.91 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.