Alflutinib mesylate (Furmonertinib)

Alias: Furmonertinib; AST-2818; AST 2818 mesylate; AST2818 mesylate
Cat No.:V4747 Purity: ≥98%
Alflutinib mesylate (formerly also known as AST-2818; AST2818; Furmonertinib), the mesylate salt form of Alflutinib, is a novel, irreversible and 3rd generation EGFR (epidermal growth factor receptor) tyrosine kinase inhibitor (TKI) selective for EGFR T790M mutation.
Alflutinib mesylate (Furmonertinib) Chemical Structure CAS No.: 2130958-55-1
Product category: EGFR
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
25mg
50mg
100mg
250mg
Other Sizes

Other Forms of Alflutinib mesylate (Furmonertinib):

  • Alflutinib (AST2818; Furmonertinib)
Official Supplier of:
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

Alflutinib mesylate (formerly also known as AST-2818; AST2818; Furmonertinib), the mesylate salt form of Alflutinib, is a novel, irreversible and 3rd generation EGFR (epidermal growth factor receptor) tyrosine kinase inhibitor (TKI) selective for EGFR T790M mutation. It inhibits the growth of tumors by targeting T790M and mutations that activate EGFR. On March 3, 2021, China approved alflutinib for the treatment of EGFR T790M+ non-small cell lung cancer. Alflutinib and gefitinib are being compared in the phase 3 trial FLAG for the first-line treatment of patients with EGFR+ NSCLC (NCT03787992).

Biological Activity I Assay Protocols (From Reference)
Targets
CYP3A4 (EC50 = 0.25 μM); EGFR
ln Vitro
Firmonertinib mesylate can suppress both the T790M acquired resistance mutation and EGFR active mutations[1].
References

[1]. P2.03-028 Third Generation EGFR Inhibitor AST2818 (Alflutinib) in NSCLC Patients with EGFR T790M Mutation: A phase1/2 Multi-Center Clinical Trial.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C29H35F3N8O5S
Molecular Weight
664.699014902115
Exact Mass
664.24
Elemental Analysis
C, 52.40; H, 5.31; F, 8.57; N, 16.86; O, 12.03; S, 4.82
CAS #
2130958-55-1
Related CAS #
Firmonertinib;1869057-83-9
Appearance
Solid powder
SMILES
CN1C=C(C2=CC=CC=C21)C3=NC(=NC=C3)NC4=C(N=C(C(=C4)NC(=O)C=C)N(C)CCN(C)C)OCC(F)(F)F.CS(=O)(=O)O
InChi Key
WDPGHXINXNBHAS-UHFFFAOYSA-N
InChi Code
InChI=1S/C28H31F3N8O2.CH4O3S/c1-6-24(40)33-21-15-22(26(41-17-28(29,30)31)36-25(21)38(4)14-13-37(2)3)35-27-32-12-11-20(34-27)19-16-39(5)23-10-8-7-9-18(19)23;1-5(2,3)4/h6-12,15-16H,1,13-14,17H2,2-5H3,(H,33,40)(H,32,34,35);1H3,(H,2,3,4)
Chemical Name
N-[2-[2-(dimethylamino)ethyl-methylamino]-5-[[4-(1-methylindol-3-yl)pyrimidin-2-yl]amino]-6-(2,2,2-trifluoroethoxy)pyridin-3-yl]prop-2-enamide;methanesulfonic acid
Synonyms
Furmonertinib; AST-2818; AST 2818 mesylate; AST2818 mesylate
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)
DMSO: 5~20 mg/mL (7.5~30.1 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 0.5 mg/mL (0.75 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 5.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 0.5 mg/mL (0.75 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 5.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

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Solubility in Formulation 3: ≥ 0.5 mg/mL (0.75 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 5.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.5044 mL 7.5222 mL 15.0444 mL
5 mM 0.3009 mL 1.5044 mL 3.0089 mL
10 mM 0.1504 mL 0.7522 mL 1.5044 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.

Clinical Trial Information
NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT04858958 Recruiting Drug: Furmonertinib 160mg
Drug: Furmonertinib 240mg
NSCLC Allist Pharmaceuticals, Inc. August 10, 2020 Phase 1
NCT05987826 Not yet recruiting Drug: Furmonertinib Non-Small Cell Lung Cancer Shanghai Zhongshan Hospital August 2023 Phase 2
NCT04965831 Not yet recruiting Drug: Furmonertinib Lung Adenocarcinoma Tianjin Medical University
Cancer Institute and Hospital
August 1, 2021 Phase 2
NCT05466149 Recruiting Drug: Furmonertinib NSCLC Allist Pharmaceuticals, Inc. September 27, 2022 Phase 2
NCT05334277 Recruiting Drug: Furmonertinib/Pemetrexed
/Carboplatin
Drug: Furmonertinib
Non-small Cell Lung Cancer Sun Yat-sen University May 6, 2022 Phase 2
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