CAS No. 173937-91-2

Batch: Purity:99.45
Atrasentan Chemical Structure
Chemical Structure
Check the Atrasentan product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 173937-91-2
Molecular Formula

C29H38N2O6

Molecular Weight (MW) 510.62

Ordering Information

Biological Activity

Atrasentan is a potent and selective antagonist of the endothelin A (ETA) receptor with a Ki of. By blocking ETA receptor-mediated signaling, Atrasentan attenuates endothelin-1-driven cellular responses, leading to the inhibition of prostate cancer cell growth and the induction of apoptotic cell death. This selective blockade impairs downstream pathway activation required for tumor cell survival and 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 100 mg/mL (195.84 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 100 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).
Note: Technical data last updated: Sep 1, 2026.