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EGFR-IN-50

Cat No.:V42392 Purity: ≥98%
EGFR-IN-50 (Compound 9h) is a potent EGFR inhibitor targeting the L858R resistance mutation (TEL-EGFR-L858R-BaF3: GI50=8 nM, TEL-EGFR-T790M-L858R-BaF3: GI50=6.03 μM).
EGFR-IN-50
EGFR-IN-50 Chemical Structure CAS No.: 2044508-48-5
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
Size Price
500mg
1g
Other Sizes
Official Supplier of:
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Product Description
EGFR-IN-50 (Compound 9h) is a potent EGFR inhibitor targeting the L858R resistance mutation (TEL-EGFR-L858R-BaF3: GI50=8 nM, TEL-EGFR-T790M-L858R-BaF3: GI50=6.03 μM). EGFR-IN-50 displays antiproliferation activity against cancer/tumor cells.
Product Application
Overview
EGFR IN 50, also known as Compound 9h, is a highly potent inhibitor of the epidermal growth factor receptor (EGFR), specifically designed to target clinically relevant mutant forms such as L858R. EGFR mutations are frequently implicated in non-small cell lung cancer (NSCLC) and are associated with uncontrolled cell proliferation and resistance to standard therapies. By selectively inhibiting these mutant receptors, EGFR IN 50 provides a valuable tool for studying oncogenic signaling pathways and evaluating therapeutic strategies against drug-resistant cancer cells.
This compound demonstrates strong antiproliferative activity in cells expressing the L858R mutation and retains measurable activity against cells harboring the combined T790M-L858R mutation, enabling researchers to model both primary and acquired resistance scenarios. Its potency and selectivity make it suitable for in vitro mechanistic studies as well as early-stage preclinical investigations.

Mechanistic Insight
EGFR is a receptor tyrosine kinase that activates downstream pathways such as MAPK/ERK and PI3K/AKT, promoting cell growth, survival, and migration. Mutations like L858R result in constitutive kinase activity, driving tumor progression. EGFR IN 50 binds the kinase domain of mutant EGFR, blocking its phosphorylation and effectively shutting down downstream signaling. This leads to reduced cell proliferation, induction of cell cycle arrest, and increased sensitivity to apoptosis in tumor models. Its ability to selectively target mutant EGFR while sparing wild-type signaling supports the study of mutation-specific drug responses.

Research Applications
EGFR IN 50 is ideal for researchers investigating the biology of mutant EGFR, signaling pathway modulation, and mechanisms of therapeutic resistance. It can be employed in cancer cell lines engineered to express specific EGFR variants, in drug combination studies, or in comparative analyses to benchmark novel inhibitors. Its use facilitates exploration of molecular responses to kinase inhibition and the development of strategies to overcome mutation-driven drug resistance.

Usage Note
This product is for research use only and is not intended for clinical or therapeutic applications.
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Biological Activity I Assay Protocols (From Reference)
ln Vitro
EGFR-IN-50 (0-10 μM; 72 h) preferentially inhibits the NSCLC cell line H3255 (expressing EGFR-L858R) in comparison to other tumor cells [1]. In the G0-G1 phase, EGFR-IN-50 (1–10 μM; 72 hours) causes cell cycle arrest [1]. In H3255 cells, EGFR-IN-50 (0.039-10 μM; 4 h) suppresses EGFR phosphorylation [1].
Cell Assay
Cell Proliferation Assay[1]
Cell Types: A549, H3255, HepG2, MCF-7, HT-29 and A431 Cell
Tested Concentrations: 0-10 μM
Incubation Duration: 72 hrs (hours)
Experimental Results: Displayed GI50 value >10, A549 was 0.7873 μM and H3255 cell. The IC50 values for HepG2, MCF-7, HT-29 and A431 cells were >10, 7.309, >10 and 6.703 μM respectively.

Cell cycle analysis [1]
Cell Types: H3255 cells
Tested Concentrations: 1, 5, 10 μM
Incubation Duration: 72 hrs (hours)
Experimental Results: The percentage of H3255 cells in the G0-G1 phase increased from 60.32% to 88.61%.

Western Blot Analysis [1]
Cell Types: H3255 cells
Tested Concentrations: 0.039, 0.15, 0.62, 2.5 and 10 μM
Incubation Duration: 4 hrs (hours)
Experimental Results: Inhibited phosphorylation of EGFR in H3255 cells in a dose-dependent manner.
References
[1]. You-Guang Zheng, et al. Design, synthesis and biological evaluation of 4-aniline quinazoline derivatives conjugated with hydrogen sulfide (H2S) donors as potent EGFR inhibitors against L858R resistance mutation. Eur J Med Chem. 2020 Sep 15;202:112522.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C24H26BRN3O4S2
Molecular Weight
564.514942646027
Exact Mass
563.054
CAS #
2044508-48-5
PubChem CID
162663118
Appearance
Typically exists as solid at room temperature
LogP
5.6
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
9
Rotatable Bond Count
15
Heavy Atom Count
34
Complexity
621
Defined Atom Stereocenter Count
0
SMILES
COC1=C(C=C2C(=C1)C(=NC=N2)NC3=CC(=CC=C3)Br)OCCCOC(=O)CCSSCC=C
InChi Key
WISOXVRWVHHVTF-UHFFFAOYSA-N
InChi Code
InChI=1S/C24H26BrN3O4S2/c1-3-11-33-34-12-8-23(29)32-10-5-9-31-22-15-20-19(14-21(22)30-2)24(27-16-26-20)28-18-7-4-6-17(25)13-18/h3-4,6-7,13-16H,1,5,8-12H2,2H3,(H,26,27,28)
Chemical Name
3-[4-(3-bromoanilino)-6-methoxyquinazolin-7-yl]oxypropyl 3-(prop-2-enyldisulfanyl)propanoate
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.7714 mL 8.8571 mL 17.7142 mL
5 mM 0.3543 mL 1.7714 mL 3.5428 mL
10 mM 0.1771 mL 0.8857 mL 1.7714 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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