CAS No. 404951-53-7

Batch: Purity:99.17
Dacinostat (LAQ824) Chemical Structure
Chemical Structure
Check the Dacinostat (LAQ824) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (E)-N-hydroxy-3-[4-[[2-hydroxyethyl-[2-(1H-indol-3-yl)ethyl]amino]methyl]phenyl]prop-2-enamide
CAS Number 404951-53-7
Molecular Formula

C22H25N3O3

Molecular Weight (MW) 379.459
SMILES C1=CC=C2C(=C1)C(=CN2)CCN(CCO)CC3=CC=C(C=C3)C=CC(=O)NO
InChIKey BWDQBBCUWLSASG-MDZDMXLPSA-N

Ordering Information

Biological Activity

Dacinostat (LAQ824) is a novel histone deacetylase (HDAC) inhibitor with an IC50 of. It transcriptionally activates the p21 promoter and induces histone hyperacetylation, leading to cell cycle arrest and apoptosis in tumor cells. Furthermore, Dacinostat selectively inhibits the growth of cancer cell lines at submicromolar concentrations and exhibits antitumor efficacy in xenograft animal models. [1][2]

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 76 mg/mL (200.28 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.