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2-Thiouridine

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Catalog No. T35656Cas No. 20235-78-3

2-Thiouridine (s2U) is a naturally occurring modified nucleobase present in transfer RNAs that stabilizes U:A base pairing while modestly destabilizing U:G wobble interactions. 2-Thiouridine influences codon–anticodon recognition, translational accuracy, and RNA conformational dynamics, and is extensively used in studies of nucleic acid structure, RNA biology, and the engineering of functional RNA-based biomolecules.

2-Thiouridine

2-Thiouridine

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Catalog No. T35656Cas No. 20235-78-3
2-Thiouridine (s2U) is a naturally occurring modified nucleobase present in transfer RNAs that stabilizes U:A base pairing while modestly destabilizing U:G wobble interactions. 2-Thiouridine influences codon–anticodon recognition, translational accuracy, and RNA conformational dynamics, and is extensively used in studies of nucleic acid structure, RNA biology, and the engineering of functional RNA-based biomolecules.
Pack SizePriceUSA WarehouseGlobal WarehouseQuantity
25 mg$29-In Stock
1 mL x 10 mM (in DMSO)$29-In Stock
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In Stock Estimated shipping dateUSA Warehouse[1-2 days] Global Warehouse[5-7 days]
All TargetMol products are for research purposes only and cannot be used for human consumption. We do not provide products or services to individuals. Please comply with the intended use and do not use TargetMol products for any other purpose.
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Appearance:Solid
Color:White
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Product Introduction

Bioactivity
Description
2-Thiouridine (s2U) is a naturally occurring modified nucleobase present in transfer RNAs that stabilizes U:A base pairing while modestly destabilizing U:G wobble interactions. 2-Thiouridine influences codon–anticodon recognition, translational accuracy, and RNA conformational dynamics, and is extensively used in studies of nucleic acid structure, RNA biology, and the engineering of functional RNA-based biomolecules.
In vitro
In viral replication assays, 2-Thiouridine inhibited the replication of several positive-strand RNA viruses (DENV2, ZIKV, SARS-CoV, SARS-CoV-2) with effective concentrations ranging from 0.625 to 40 μM [1].
In vivo
In DENV2-infected mice, oral administration of 2-thiouridine (50-150 mg/kg, twice daily) prolonged survival and reduced viral RNA loads in the serum and spleen. In SARS-CoV-2 mouse models, treatment via intravenous injection (2-20 mg/kg, once daily) or high-dose oral administration (300 mg/kg, twice daily) for 5 days resulted in increased survival rates, lower lung viral titers, and reduced levels of inflammatory cytokines [4].
Chemical Properties
Molecular Weight260.27
FormulaC9H12N2O5S
Cas No.20235-78-3
SmilesO[C@H]1[C@@H](O[C@H](CO)[C@H]1O)N2C(=S)NC(=O)C=C2
Storage & Solubility Information
Storagestore at low temperature | In solvent: -80°C for 1 year
Solubility Information
H2O: 8 mg/mL (30.74 mM), Sonication is recommended.
Ethanol: 2 mg/mL (7.68 mM), Sonication is recommended.
PBS (pH 7.2): 5 mg/mL (19.21 mM), Sonication is recommended.
DMF: 10 mg/mL (38.42 mM), Sonication is recommended.
DMSO: 40 mg/mL (153.69 mM), Sonication is recommended.
Solution Preparation Table
PBS (pH 7.2)/H2O/DMF/DMSO
1mg5mg10mg50mg
10 mM0.3842 mL1.9211 mL3.8422 mL19.2108 mL
H2O/DMF/DMSO
1mg5mg10mg50mg
20 mM0.1921 mL0.9605 mL1.9211 mL9.6054 mL

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In Vivo Formulation Calculator (Clear solution)

Please enter your animal experiment information in the following box and click Calculate to obtain the stock solution preparation method and in vivo formula preparation method:
TargetMol | Animal experiments For example, if the intended dosage is 10 mg/kg for animals weighing 20 g , with a dosing volume of 100 μL per animal, TargetMol | Animal experiments and a total of 10 animals are to be administered, using a formulation of TargetMol | reagent 10% DMSO+ 40% PEG300+ 5% Tween 80+ 45% Saline/PBS/ddH2O , the resulting working solution concentration would be 2 mg/mL.
Stock Solution Preparation:

Dissolve 2 mg of the compound in 100 μL DMSOTargetMol | reagent to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.

Preparation of the In Vivo Formulation:

1) Add 100 μL of the DMSOTargetMol | reagent stock solution to 400 μL PEG300TargetMol | reagent and mix thoroughly until the solution becomes clear.

2) Add 50 μL Tween 80 and mix well until fully clarified.

3) Add 450 μL Saline,PBS or ddH2OTargetMol | reagent and mix thoroughly until a homogeneous solution is obtained.

This example is provided solely to demonstrate the use of the In Vivo Formulation Calculator and does not constitute a recommended formulation for any specific compound. Please select an appropriate dissolution and formulation strategy based on your experimental model and route of administration.
All co-solvents required for this protocol, includingDMSO, PEG300/PEG400, Tween 80, SBE-β-CD, and Corn oil, are available for purchase on the TargetMol website.
1 Enter information below:
mg/kg
g
μL
2 Enter the in vivo formulation:
% DMSO
%
% Tween 80
% Saline/PBS/ddH2O

Dose Conversion

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Tech Support

Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc

Keywords

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