1. Protein Tyrosine Kinase/RTK
    JAK/STAT Signaling
  2. EGFR
  3. Zorifertinib

Zorifertinib (Synonyms: AZD3759)

Cat. No.: HY-18750 Purity: 99.76%
Handling Instructions

Zorifertinib (AZD3759) is a potent, orally active, central nervous system-penetrant, EGFR inhibitor. At Km ATP concentrations, the IC50s are 0.3, 0.2, and 0.2 nM for EGFRwt, EGFRL858R, and EGFRexon 19Del, respectively.

For research use only. We do not sell to patients.

Zorifertinib Chemical Structure

Zorifertinib Chemical Structure

CAS No. : 1626387-80-1

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Customer Review

Based on 1 publication(s) in Google Scholar

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  • Biological Activity

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Description

Zorifertinib (AZD3759) is a potent, orally active, central nervous system-penetrant, EGFR inhibitor. At Km ATP concentrations, the IC50s are 0.3, 0.2, and 0.2 nM for EGFRwt, EGFRL858R, and EGFRexon 19Del, respectively[1].

IC50 & Target[1]

EGFR

0.3 nM (IC50)

EGFRL858R

0.2 nM (IC50)

EGFRExon 19 deletion

0.2 nM (IC50)

In Vitro

At 2 mM of ATP concentrations, the IC50s are 102, 7.6, and 2.4 nM for EGFRwt, EGFRL858R, and EGFRexon 19Del, respectively. Zorifertinib (AZD3759) also inhibits pEGFR in H838wt, H3255L858R, and PC-9exon 19Del with IC50 of 64.5, 7.2, and 7.4 nM, respectively. In cellular phosphorylation studies, Zorifertinib also demonstrates 9-fold inhibition selectivity in EGFR-activating mutant cell lines over EGFR wild-type cell lines (H838 cell line)[1].

In Vivo

Following oral dosing in rats at 2 mg/kg, absorption of Zorifertinib (AZD3759) is rapid with blood Cmax of 0.58 μM achieved at 1.0 h. Subsequently, blood concentrations of Zorifertinib decline monoexponentially with a mean elimination half-life of 4.3 h, which is close to the same parameter obtained from intravenous dosing of 4.1 h. The bioavailability following an oral dose in rats is 91%. Blood pharmacokinetic parameters of Zorifertinib in male dogs are determined following both a single dose intravenous infusion and oral administration. Following the IV dose in dogs, Zorifertinib blood clearance is determined as 14 mL/min per kg, and the volume of distribution is 6.4 L/kg. Its elimination half-life is 6.2 h. Absorption of Zorifertinib is rapid with blood Cmax (698 nM) occurring between 0.5 and 1.5 h. The oral bioavailability of Zorifertinib is excellent at 90%. Zorifertinib demonstrated significant dose-dependent antitumor efficacy (78% tumor growth inhibition at 7.5 mg/kg qd and tumor regression at 15 mg/kg qd, respectively, 4 weeks after treatment) with <20% body weight loss, whereas erlotinib had a limited effect in this model. At the end of the study, brain tissues are collected for histological assessment. Significantly decreased tumor area is observed by Zorifertinib treatment at the doses of 7.5 and 15 mg/kg. In addition, modulation of pEGFR is detected by a single dose of Zorifertinib at 15 mg/kg 1h after dosing, which confirmed target engagement by Zorifertinib[1].

Clinical Trial
Molecular Weight

459.90

Formula

C₂₂H₂₃ClFN₅O₃

CAS No.

1626387-80-1

SMILES

ClC1=CC=CC(NC2=NC=NC3=CC(OC)=C(OC(N4[[email protected]](C)CN(C)CC4)=O)C=C23)=C1F

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : ≥ 50 mg/mL (108.72 mM)

H2O : < 0.1 mg/mL (insoluble)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1744 mL 10.8719 mL 21.7439 mL
5 mM 0.4349 mL 2.1744 mL 4.3488 mL
10 mM 0.2174 mL 1.0872 mL 2.1744 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (5.44 mM); Clear solution

  • 2.

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: 2.5 mg/mL (5.44 mM); Suspended solution; Need ultrasonic

  • 3.

    Add each solvent one by one:  10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (5.44 mM); Clear solution

*All of the co-solvents are provided by MCE.
References
Cell Assay
[1]

Cell proliferation assay is determined by MTS methods. Briefly, cells are seeded in 96-well plates (at a density to allow for logarithmic growth during the 72-hour assay) and incubated overnight at 37°C and 5% CO2. Cells are then exposed to concentrations of compounds (e.g., Zorifertinib) ranging from 30 mM to 0.3μM for 72 hours. For the MTS endpoint, cell proliferation is measured by the CellTiter AQueous Non-Radioactive Cell Proliferation Assay reagent. Absorbance is measured with a Tecan Ultra instrument. Predose measurements are made, and concentration needed to reduce the growth of treated cells to half that of untreated cells (GI50) values are determined using absorbance readings[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[1]

Rats[1]
Male Han Wistar rats are orally dosed with the Zorifertinib at 2 mg/kg in 1% methylcellulose. At 0.25, 0.5, 1, 2, 4 and 7 hour post-dose, cerebral spinal fluid (CSF) is collected from cisterna magna, and blood samples (>60 μL/time point/each site) are collected via cardiac puncture, into separate EDTA coagulated tubes, and then immediately diluted with 3-fold volume of water. Brain tissue is harvested and homogenized in 3x volume of 100 mM phosphate buffered saline (pH7.4). All samples are stored at -70°C prior to LC/MS/MS analysis.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References

Purity: 99.76%

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Keywords:

ZorifertinibAZD3759AZD 3759AZD-3759EGFREpidermal growth factor receptorErbB-1HER1Inhibitorinhibitorinhibit

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