Catalog No.S2540 Synonyms: Vitamin B2

For research use only.

Riboflavin (Vitamin B2) is an easily absorbed micronutrient with a key role in maintaining health in humans and other animals.

Riboflavin Chemical Structure

CAS No. 83-88-5

Purity & Quality Control

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Biological Activity

Description Riboflavin (Vitamin B2) is an easily absorbed micronutrient with a key role in maintaining health in humans and other animals.

Protocol (from reference)

Solubility (25°C)

In vitro

DMSO 0.1 mg/mL
(0.26 mM)
Water Insoluble
Ethanol Insoluble

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 376.36


CAS No. 83-88-5
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles CC1=CC2=C(C=C1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(CO)O)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
NCT04641663 Recruiting Dietary Supplement: Multi-target Dietary Supplement (MTDS) Aging|Age-related Cognitive Decline Douglas Boreham|McMaster University|Northern Ontario School of Medicine July 15 2021 Not Applicable
NCT04694235 Recruiting Dietary Supplement: Egg intervention Weight Gain|Anemia Iron Deficiency|Birth Weight|Birth Length|Child Development|Zinc Deficiency|Folate Deficiency|B12 Deficiency Vitamin|Amino Acid Deficiency|Mineral Deficiency|Vitamin A Deficiency|Fatty Acid Deficiency|Parasite Infestation|E. Coli Infection|Salmonella Infections|Shigella Infection|Protozoan Infections SEAMEO Regional Centre for Food and Nutrition|London School of Hygiene and Tropical Medicine|University of Aberdeen|University of Brighton|University College London|Royal Veterinary College|Birkbeck University of London|The International Livestock Research Institute (ILRI)|Cheikh Anta Diop University Senegal|National Institute of Nutrition India|International Centre for Research in Agroforestry|Science Made Simple|Liverpool School of Tropical Medicine|International Initiative for Impact Evaluation|Digital Green Foundation|SOAS University of London|University of Sheffield February 12 2021 Not Applicable
NCT04567823 Completed Dietary Supplement: Smoothie with microalgae Nutrient Deficiency University of Jena|German Federal Ministry of Education and Research November 9 2020 Not Applicable

(data from https://clinicaltrials.gov, updated on 2021-09-06)

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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