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Cat. No.: HY-D0251R

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Fluorescein (Standard)

(Synonyms: Uranine (Standard))

Fluorescein (Standard) is the analytical standard of Fluorescein. This product is intended for research and analytical applications. Fluorescein (Uranine) is widely used as a fluorescent tracer in medicinal and biological applications and tumor infected tissues tracer. Fluorescein (Uranine) is a representative green fluorophore that has been widely used as a scaffold of practically useful green fluorescent probes.

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

CAS No.: 2321-07-5
Formula: C₂₀H₁₂O₅
Molecular Weight:332.31

Storage:

Please store the product under the recommended conditions in the Certificate of Analysis.

Fluorescein (Standard) Chemical Structure

CAS No.: 2321-07-5

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Top Publications Citing

Use of MCE Products

Fluorescent Dye

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

Product Information
- Information
- Application
Chemical Information
Purity & Documentation
Calculators
Help & FAQs
Classifications
Bioz

Product Information

Information

Application

The compound is the grade of analytical standard, which is the reference standard supplied assay. It is commonly used in qualitative, quantitative and methodological research experiments in HPLC, GC and MS.

Chemical Information

CAS No. 2321-07-5
Molecular Weight 332.31
Formula C₂₀H₁₂O₅
SMILES

O=C1OC2(C3=C(OC4=C2C=CC(O)=C4)C=C(O)C=C3)C5=C1C=CC=C5
Synonyms

Uranine (Standard)
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

References

[1]. Nabel A Negm, et al. Fluorescein dye derivatives and their nanohybrids: Synthesis, characterization and antimicrobial activity. J Photochem Photobiol B. 2016 Sep;162:421-433. [Content Brief]

[2]. Hirabayashi K, et al. Analysis of chemical equilibrium of silicon-substituted fluorescein and its application to develop a scaffold for red fluorescent probes. Anal Chem. 2015;87(17):9061-9069. [Content Brief]

[3]. Li Liu, et al. Fluorescein as an artificial enzyme to mimic peroxidase. Chem Commun (Camb). 2016 Nov24;52(96):13912-13915. [Content Brief]

[4]. RobertSjöback, et al. Absorption and fluorescence properties of fluorescein. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Calculators

Molarity Calculator

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

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Dilution Calculator

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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.

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100 mg

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