Catalog No.S2029 Synonyms: NSC 20256

For research use only.

Uridine (NSC 20256) is a nucleoside, contains a uracil attached to a ribose ring via a β-N1-glycosidic bond.

Uridine Chemical Structure

CAS No. 58-96-8

Selleck's Uridine has been cited by 4 Publications

Purity & Quality Control

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Biological Activity

Description Uridine (NSC 20256) is a nucleoside, contains a uracil attached to a ribose ring via a β-N1-glycosidic bond.

Protocol (from reference)

Solubility (25°C)

In vitro

DMSO 49 mg/mL
(200.65 mM)
Water 49 mg/mL
(200.65 mM)
Ethanol Insoluble

Chemical Information

Molecular Weight 244.2


CAS No. 58-96-8
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles C1=CN(C(=O)NC1=O)C2C(C(C(O2)CO)O)O

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

mg/kg g μL

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO % % Tween 80 % ddH2O

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid 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 master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Molarity Calculator

Mass Concentration Volume Molecular Weight

Clinical Trial Information

NCT Number Recruitment Interventions Conditions Sponsor/Collaborators Start Date Phases
NCT04800159 Recruiting Drug: THC Cannabis|Drug: CBD Cannabis|Drug: Placebo HIV|Cannabis Use University of California San Diego|Center for Medicinal Cannabis Research February 19 2021 Phase 2
NCT04609826 Recruiting Drug: JNJ-74856665|Drug: AZA|Drug: VEN Acute Myeloid Leukemia|Myelodysplastic Syndromes|Chronic Myelomonocytic Leukemia Janssen Research & Development LLC November 26 2020 Phase 1
NCT02249468 Terminated -- Mild and Moderate Alzheimer''s Disease|Cognitively Healthy People Danone Nutricia Research October 2014 --
NCT02110147 Completed Drug: uridine triacetate Hereditary Orotic Aciduria Wellstat Therapeutics April 2014 Phase 3
NCT02883712 Terminated -- Seizure University Hospital Lille May 21 2013 --

(data from https://clinicaltrials.gov, updated on 2022-01-17)

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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