CAS No. 143664-11-3

Batch: Purity:99.97
Elacridar (GF120918) Chemical Structure
Chemical Structure
Check the Elacridar (GF120918) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name N-[4-[2-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)ethyl]phenyl]-5-methoxy-9-oxo-10H-acridine-4-carboxamide
CAS Number 143664-11-3
Molecular Formula

C34H33N3O5

Molecular Weight (MW) 563.64
SMILES COC1=CC=CC2=C1NC3=C(C2=O)C=CC=C3C(=O)NC4=CC=C(C=C4)CCN5CCC6=CC(=C(C=C6C5)OC)OC
InChIKey OSFCMRGOZNQUSW-UHFFFAOYSA-N

Ordering Information

Biological Activity

Elacridar (GF120918) is a potent inhibitor of P-glycoprotein (P-gp/ABCB1) and breast cancer resistance protein (BCRP/ABCG2). By targeting these ATP-binding cassette efflux transporters, it blocks ATP-dependent drug transport across cellular membranes. This inhibition increases intracellular accumulation of chemotherapeutic substrates, effectively reversing multidrug resistance in resistant cancer cells and enhancing substrate bioavailability in preclinical 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 100 mg/mL (177.41 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.