Catalog No. size PriceQuantity
M7070-2 2mg solid $113
M7070-10 10mg solid $452


ONT-093, also known as OC-144-093, is an orally bioavailable P-glycoprotein pump inhibitor, for the potential reversal of multidrug resistance in patients undergoing cancer chemotherapy. ONT-093 could inhibit P-gp and reverse multidrug resistance at nM concentrations with no effect on paclitaxel pharmacokinetics. OC144-093 is the least non-specifically toxic Pgp inhibitor described to date, with an average cytostatic IC50 of >60 microM in 15 cell types. OC144-093 may represent an ideal candidate for use in enhancement of AED blood-brain barrier penetration.

Product information

CAS Number: 216227-54-2

Molecular Weight: 494.67

Formula: C32H38N4O





ONT 093


OC 144-093


OC 144093


Chemical Name: (E)-4,4'-(2-(4-(3-ethoxyprop-1-en-1-yl)phenyl)-1H-imidazole-4,5-diyl)bis(N-isopropylaniline)

Smiles: CCOC/C=C/C1C=CC(=CC=1)C1NC(=C(N=1)C1C=CC(=CC=1)NC(C)C)C1C=CC(=CC=1)NC(C)C


InChi: InChI=1S/C32H38N4O/c1-6-37-21-7-8-24-9-11-27(12-10-24)32-35-30(25-13-17-28(18-14-25)33-22(2)3)31(36-32)26-15-19-29(20-16-26)34-23(4)5/h7-20,22-23,33-34H,6,21H2,1-5H3,(H,35,36)/b8-7+

Technical Data

Appearance: Solid Power.

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO, not in water

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200


  1. Vaalburg W, Hendrikse NH, Elsinga PH, Bart J, van Waarde A. P-glycoprotein activity and biological response. Toxicol Appl Pharmacol. 2005 Sep 1;207(2 Suppl):257-60. Review. PubMed PMID: 16043202.
  2. Ross DD. Modulation of drug resistance transporters as a strategy for treating myelodysplastic syndrome. Best Pract Res Clin Haematol. 2004 Dec;17(4):641-51. Review. PubMed PMID: 15494300.

Products are for research use only. Not for human use.

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