2. Anti-infection
  3. HCV
  4. Furaprofen

Furaprofen (R803) is an effective HCV replication inhibitor. Furaprofen (R803) is substantially more potent against genotype 1a and 1b replicons (EC50, ~30 nM) than against the genotype 2a replicon (EC50, ~1,000 nM).

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Furaprofen Chemical Structure

Furaprofen Chemical Structure

CAS No. : 67700-30-5

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Customer Review

Based on 1 publication(s) in Google Scholar

Furaprofen Related Antibodies

Top Publications Citing Use of Products

  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

Furaprofen (R803) is an effective HCV replication inhibitor. Furaprofen (R803) is substantially more potent against genotype 1a and 1b replicons (EC50, ~30 nM) than against the genotype 2a replicon (EC50, ~1,000 nM).

IC50 & Target

EC50: ~30 nM (HCV genotype 1a and 1b replicons), ~1000 nM (HCV genotype 2a replicon)[1]
In Vitro

Furaprofen (R803) is potent and highly specific for HCV replication. The antiviral activity of Furaprofen has been determined by a reporter replicon assay with multiple repeats to be 29.88±8.05 nM, an ~3-fold improvement over the activity of the parent compound, R706. The potency of Furaprofen against the replicon is also confirmed by both Western blotting and TaqMan RT-PCR to be about 37 nM and 54.67±4.11 nM, respectively. To assess the general effect of Furaprofen on cell proliferation, a panel of primary cells and transformed human cell lines are treated with increasing doses of Furaprofen for 48 h, and the effect on cell proliferation is measured by an MTS-based cell viability assay. The the concentration that caused a 50% reduction in cell numbers in the absence of virus infection (CC50) of Furaprofen is found to range from 2 μM to ≥10 μM, depending on the cell type and proliferation status[1].

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

Furaprofen Related Antibodies
Molecular Weight

266.29

Formula

C17H14O3
CAS No.
Appearance

Solid

Color

White to light yellow

SMILES

OC(C(C1=CC=CC2=C1OC=C2C3=CC=CC=C3)C)=O
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : 250 mg/mL (938.83 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.7553 mL 18.7765 mL 37.5530 mL
5 mM 0.7511 mL 3.7553 mL 7.5106 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

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

    Solubility: ≥ 2.08 mg/mL (7.81 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

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

    Solubility: ≥ 2.08 mg/mL (7.81 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
References
Cell Assay
[1]

Replicon 9-13 cells are plated onto 6-well plates 24 h prior to the treatment. Serial dilutions of Furaprofen are made in a mixture containing 90% of the culture medium, 7.2% 1× PBS, 1.8% methanol, 1% DMSO, 20 μM RBV, and varying concentrations of IFN-α for a fixed-ratio dose-response study. The cells are treated with the designated combinations of Furaprofen (0 to 80 nM concentrations) and IFN-α (0 to 4 IU/mL) plus 20 μM RBV for 72 h; then they are washed with PBS, lysed in SDS loading buffer, and analyzed by Western blotting[1].

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

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 3.7553 mL 18.7765 mL 37.5530 mL 93.8826 mL
5 mM 0.7511 mL 3.7553 mL 7.5106 mL 18.7765 mL
10 mM 0.3755 mL 1.8777 mL 3.7553 mL 9.3883 mL
15 mM 0.2504 mL 1.2518 mL 2.5035 mL 6.2588 mL
20 mM 0.1878 mL 0.9388 mL 1.8777 mL 4.6941 mL
25 mM 0.1502 mL 0.7511 mL 1.5021 mL 3.7553 mL
30 mM 0.1252 mL 0.6259 mL 1.2518 mL 3.1294 mL
40 mM 0.0939 mL 0.4694 mL 0.9388 mL 2.3471 mL
50 mM 0.0751 mL 0.3755 mL 0.7511 mL 1.8777 mL
60 mM 0.0626 mL 0.3129 mL 0.6259 mL 1.5647 mL
80 mM 0.0469 mL 0.2347 mL 0.4694 mL 1.1735 mL
100 mM 0.0376 mL 0.1878 mL 0.3755 mL 0.9388 mL
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Furaprofen Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Furaprofen67700-30-5R803R 803R-803HCVHepatitis C virusInhibitorinhibitorinhibit

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