Cat. No.: HY-156442

MEDS433

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MEDS433 is a potent inhibitor of human dihydroorotate dehydrogenase (hDHODH) with an IC₅₀ of 1.2 nM. MEDS433 exerts a potent antiviral activity against RSV-A and RSV-B in the one-digit nanomolar range. MEDS433 induces the expression of antiviral proteins encoded by interferon stimulated genes (ISGs) able to reduce RSV replication.

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

Purity: 99.51%
CAS No.: 2241027-61-0
Formula: C₂₀H₁₁F₄N₃O₂
Molecular Weight:401.31

Storage:

Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month

MEDS433 Chemical Structure

CAS No.: 2241027-61-0

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Top Publications Citing

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Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity
- Description
- Cellular Effect
Chemical Information
Solvent & Solubility
- In Vitro
- In Vivo
Purity & Documentation
References
Help & FAQs
Classifications
Bioz

Biological Activity

Description

Cellular Effect

Cell Line	Type	Value	Description	References
Jurkat	IC₅₀	0.75 μM Compound: 4	Antiproliferative activity against human Jurkat T cells assessed as DNA content after 72 hrs by Hoechst 33258 dye-based fluorescence assay Antiproliferative activity against human Jurkat T cells assessed as DNA content after 72 hrs by Hoechst 33258 dye-based fluorescence assay	[PMID: 29939742]
Jurkat	IC₅₀	68.69 μM Compound: 4	Antiproliferative activity against human Jurkat T cells assessed as DNA content after 72 hrs in presence of exogenous uridine by Hoechst 33258 dye-based fluorescence assay Antiproliferative activity against human Jurkat T cells assessed as DNA content after 72 hrs in presence of exogenous uridine by Hoechst 33258 dye-based fluorescence assay	[PMID: 29939742]
PBMC	IC₅₀	0.78 μM Compound: 4	Immunosuppressive activity against human PBMC assessed as inhibition of PHA-stimulated cell proliferation preincubated for 2 hrs followed by PHA stimulation for 72 hrs by Hoechst 33258 dye-based fluorescence assay Immunosuppressive activity against human PBMC assessed as inhibition of PHA-stimulated cell proliferation preincubated for 2 hrs followed by PHA stimulation for 72 hrs by Hoechst 33258 dye-based fluorescence assay	[PMID: 29939742]
PBMC	IC₅₀	57.15 μM Compound: 4	Immunosuppressive activity against human PBMC assessed as inhibition of PHA-stimulated cell proliferation preincubated for 2 hrs followed by PHA stimulation for 72 hrs in presence of exogenous uridine by Hoechst 33258 dye-based fluorescence assay Immunosuppressive activity against human PBMC assessed as inhibition of PHA-stimulated cell proliferation preincubated for 2 hrs followed by PHA stimulation for 72 hrs in presence of exogenous uridine by Hoechst 33258 dye-based fluorescence assay	[PMID: 29939742]
THP-1	EC₅₀	0.0397 μM Compound: 1	Induction of cell differentiation in human THP-1 cells assessed as CD14 expression after 3 days by flow cytometric analysis Induction of cell differentiation in human THP-1 cells assessed as CD14 expression after 3 days by flow cytometric analysis	[PMID: 33844533]
THP-1	EC₅₀	0.0723 μM Compound: 1	Induction of apoptosis in human THP-1 cells after 3 days by Annexin-V-FITC staining based flow cytometry Induction of apoptosis in human THP-1 cells after 3 days by Annexin-V-FITC staining based flow cytometry	[PMID: 33844533]
THP-1	EC₅₀	40 nM Compound: MEDS433	Induction of cell differentiation in human THP-1 cells measured for 2 days by flow cytometric analysis Induction of cell differentiation in human THP-1 cells measured for 2 days by flow cytometric analysis	[PMID: 36162075]
THP-1	EC₅₀	72 nM Compound: MEDS433	Induction of apoptosis in human THP-1 cells measured after 3 days by Annexin-V-FITC staining based FACS analysis Induction of apoptosis in human THP-1 cells measured after 3 days by Annexin-V-FITC staining based FACS analysis	[PMID: 36162075]
U-937	EC₅₀	0.026 μM Compound: 1	Induction of cell differentiation in human U-937 cells assessed as CD11b expression after 3 days by flow cytometric analysis Induction of cell differentiation in human U-937 cells assessed as CD11b expression after 3 days by flow cytometric analysis	[PMID: 33844533]
U-937	EC₅₀	0.0404 μM Compound: 1	Induction of apoptosis in human U-937 cells after 3 days by Annexin-V-FITC staining based flow cytometry Induction of apoptosis in human U-937 cells after 3 days by Annexin-V-FITC staining based flow cytometry	[PMID: 33844533]
U-937	EC₅₀	26 nM Compound: MEDS433	Induction of cell differentiation in human U-937 cells measured for 2 days by flow cytometric analysis Induction of cell differentiation in human U-937 cells measured for 2 days by flow cytometric analysis	[PMID: 36162075]
U-937	EC₅₀	40 nM Compound: MEDS433	Induction of apoptosis in human U-937 cells measured after 3 days by Annexin-V-FITC staining based FACS analysis Induction of apoptosis in human U-937 cells measured after 3 days by Annexin-V-FITC staining based FACS analysis	[PMID: 36162075]

Chemical Information

CAS No. 2241027-61-0
Appearance Solid
Molecular Weight 401.31
Formula C₂₀H₁₁F₄N₃O₂
Color White to off-white
SMILES

O=C(C1=C2C=CC=CN2N=C1O)NC3=C(F)C(F)=C(C4=CC=CC=C4)C(F)=C3F
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 : 100 mg/mL (249.18 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

2.4918 mL

12.4592 mL

24.9184 mL

5 mM

0.4984 mL

2.4918 mL

4.9837 mL

10 mM

0.2492 mL

1.2459 mL

2.4918 mL

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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Molarity Calculator

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

Mass Mass

Concentration Concentration

Volume Volume

Molecular Weight Molecular Weight

Dilution Calculator

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

Concentration _(start) Concentration _(start)

Volume _(start) Volume _(start)

Concentration _(final) Concentration _(final)

Volume _(final) Volume _(final)

In Vivo:

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

Stock Solution Working Solution

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 90% Corn Oil

Solubility: ≥ 2.5 mg/mL (6.23 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL Corn oil, and mix evenly.

In Vivo Dissolution Calculator

Please enter the basic information of animal experiments:

Dosage Dosage
mg/kg
Animal Weight (Per Animal) Animal Weight (Per Animal)
g
Dosing Volume (Per Animal) Dosing Volume (Per Animal)
μL
Number of Animals Number of Animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Please enter your animal formula composition:

%
DMSO +

Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
%
+
+
%
Tween-80 + +
%
Saline +

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).

Working solution concentration: 0.22 mg/mL

Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (277 KB)
SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

References

[1]. Anna Luganini, et al. Mechanisms of antiviral activity of the new hDHODH inhibitor MEDS433 against respiratory syncytial virus replication. Antiviral Res. 2023 Oct 16:219:105734. [Content Brief]

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg
DMSO	1 mM	2.4918 mL	12.4592 mL	24.9184 mL	62.2960 mL
	5 mM	0.4984 mL	2.4918 mL	4.9837 mL	12.4592 mL
	10 mM	0.2492 mL	1.2459 mL	2.4918 mL	6.2296 mL
	15 mM	0.1661 mL	0.8306 mL	1.6612 mL	4.1531 mL
	20 mM	0.1246 mL	0.6230 mL	1.2459 mL	3.1148 mL
	25 mM	0.0997 mL	0.4984 mL	0.9967 mL	2.4918 mL
	30 mM	0.0831 mL	0.4153 mL	0.8306 mL	2.0765 mL
	40 mM	0.0623 mL	0.3115 mL	0.6230 mL	1.5574 mL
	50 mM	0.0498 mL	0.2492 mL	0.4984 mL	1.2459 mL
	60 mM	0.0415 mL	0.2077 mL	0.4153 mL	1.0383 mL
	80 mM	0.0311 mL	0.1557 mL	0.3115 mL	0.7787 mL
	100 mM	0.0249 mL	0.1246 mL	0.2492 mL	0.6230 mL

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MEDS433

MCE Bioactive Compound Library

Biological Activity

Chemical Information

Solvent & Solubility

Purity & Documentation

References

Help & FAQs

Complete Stock Solution Preparation Table

MEDS433 Related Classifications

HY-156442 Related Classifications