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2,3-Di(furan-2-yl)quinoxaline

Cat No.:V67381 Purity: ≥98%
2,3-Di(furan-2-yl)quinoxaline (Compound 5) is a quinoline with blue fluorescence.
2,3-Di(furan-2-yl)quinoxaline
2,3-Di(furan-2-yl)quinoxaline Chemical Structure CAS No.: 57490-73-0
Product category: Fluorescent Dye
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
10mg
50mg
100mg
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Product Description
2,3-Di(furan-2-yl)quinoxaline (Compound 5) is a quinoline with blue fluorescence. 2,3-Di(furan-2-yl)quinoxaline is cell permeable (penetrable) and sufficiently bright at micromolar concentrations (1.5 μM).
2,3-Di(furan-2-yl)quinoxaline (CAS#: 57490-73-0) is a quinoxaline derivative with blue fluorescence, also known as Compound 5. The compound has a molecular formula of C₁₆H₁₀N₂O₂ and a molecular weight of 262.26 g/mol. 2,3-Di(furan-2-yl)quinoxaline is cell-permeable and sufficiently bright at micromolar concentrations (1.5 μM). The compound is soluble in DMSO at 100 mg/mL with ultrasonic warming to 60°C. It has a density of 1.272 g/cm³, a boiling point of 360.5°C at 760 mmHg, and a flash point of 117.2°C.
Biological Activity I Assay Protocols (From Reference)
Targets
As a fluorescent dye, 2,3-Di(furan-2-yl)quinoxaline does not target specific proteins or enzymes. Instead, it functions as a cell-permeable blue-fluorescent probe for cellular imaging applications. The presence of furan rings enhances its chemical properties and potential applications in organic synthesis and medicinal chemistry.
ln Vitro
2,3-Di(furan-2-yl)quinoxaline is a quinoxaline derivative with blue fluorescence that is cell-permeable and sufficiently bright at micromolar concentrations (1.5 μM). The compound's blue fluorescence makes it suitable for cellular imaging applications. The presence of furan rings enhances its chemical properties and potential applications in various fields.
ln Vivo
No significant in vivo activity data has been reported for 2,3-Di(furan-2-yl)quinoxaline as a therapeutic agent, as the compound is primarily utilized as a fluorescent probe for research applications. The compound is intended for research use only.
Enzyme Assay
In vitro assays for 2,3-Di(furan-2-yl)quinoxaline typically involve measuring its fluorescence properties in various solvents and conditions. The compound's blue fluorescence can be characterized using fluorescence spectroscopy. The compound's cell permeability can be assessed using cellular uptake studies.
Cell Assay
For in vitro cellular experiments, 2,3-Di(furan-2-yl)quinoxaline is dissolved in DMSO and diluted in cell culture medium. Cells are incubated with the compound at micromolar concentrations (1.5 μM) and analyzed by fluorescence microscopy. The compound's cell permeability enables efficient entry into live cells for imaging applications.
Animal Protocol
In vivo animal experiments with 2,3-Di(furan-2-yl)quinoxaline are not typically performed, as the compound is primarily used as a fluorescent probe for in vitro cellular imaging. The compound is intended for research use only.
ADME/Pharmacokinetics
Pharmacokinetic properties of 2,3-Di(furan-2-yl)quinoxaline have not been characterized, as the compound is a research-use fluorescent probe rather than a drug candidate. The compound has a molecular weight of 262.26 g/mol and a molecular formula of C₁₆H₁₀N₂O₂. It is soluble in DMSO at 100 mg/mL.
Toxicity/Toxicokinetics
Toxicological data for 2,3-Di(furan-2-yl)quinoxaline has not been systematically evaluated, as the compound is intended for research applications only and not for therapeutic use. Standard laboratory safety precautions should be observed when handling this chemical reagent.
References

[1]. Green Hydrothermal Synthesis of Fluorescent 2,3-Diarylquinoxalines and Large-Scale Computational Comparison to Existing Alternatives. ChemSusChem. 2021 Apr 22;14(8):1853-1863.

Additional Infomation
2,3-Di(furan-2-yl)quinoxaline (Compound 5) is a quinoxaline derivative with blue fluorescence that is cell-permeable and sufficiently bright at micromolar concentrations (1.5 μM). The presence of furan rings enhances its chemical properties and potential applications in organic synthesis and medicinal chemistry. The compound has no clinical or therapeutic applications and has not received regulatory approval.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C16H10N2O2
Molecular Weight
262.26
Exact Mass
262.074
CAS #
57490-73-0
PubChem CID
236275
Appearance
Light yellow to yellow solid powder
Density
1.272g/cm3
Boiling Point
360.5ºC at 760mmHg
Flash Point
117.2ºC
Index of Refraction
1.637
LogP
4.149
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
2
Heavy Atom Count
20
Complexity
306
Defined Atom Stereocenter Count
0
SMILES
C1=CC=C2C(=C1)N=C(C(=N2)C3=CC=CO3)C4=CC=CO4
InChi Key
GMUROSQCXMKHEN-UHFFFAOYSA-N
InChi Code
InChI=1S/C16H10N2O2/c1-2-6-12-11(5-1)17-15(13-7-3-9-19-13)16(18-12)14-8-4-10-20-14/h1-10H
Chemical Name
2,3-bis(furan-2-yl)quinoxaline
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: 100 mg/mL (381.30 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (9.53 mM) (saturation unknown) in 10% DMSO + 40% PEG300 +5% Tween-80 + 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 25.0 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.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.8130 mL 19.0650 mL 38.1301 mL
5 mM 0.7626 mL 3.8130 mL 7.6260 mL
10 mM 0.3813 mL 1.9065 mL 3.8130 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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