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Cat. No.: HY-107864R

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Erythrosine B free acid (Standard)

Name: Erythrosine B free acid (Standard)
Brand: MedChemExpress
SKU: HY-107864R
Availability: PreOrder

(Synonyms: Tetraiodofluorescein (Standard))

Erythrosine B free acid (Standard) is the analytical standard of Erythrosine B (free acid) (HY-107864). This product is intended for research and analytical applications. Erythrosine B free acid is a visibly red dye with colorimetric and fluorescent properties that serves as an important dye for many Gram-positive and -negative bacteria. Erythrosine B free acid can be used for live/dead determination in both colorimetric and fluorescence-based assays for low, medium and high-throughput experimentation.

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

CAS No.: 15905-32-5
Formula: C₂₀H₈I₄O₅
Molecular Weight:835.89

Storage:

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

Erythrosine B free acid (Standard) Chemical Structure

CAS No.: 15905-32-5

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Top Publications Citing

Use of MCE Products

Fluorescent Dye

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

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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. 15905-32-5
Molecular Weight 835.89
Formula C₂₀H₈I₄O₅
SMILES

O=C1OC2(C3=CC(I)=C(C(I)=C3OC4=C(C(O)=C(C=C42)I)I)O)C5=C1C=CC=C5
Synonyms

Tetraiodofluorescein (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

Handling Instructions (2659 KB)

References

[1]. Franke JD, et al. Erythrosin B: a versatile colorimetric and fluorescent vital dye for bacteria. Biotechniques. 2020 Jan;68(1):7-13. [Content Brief]

Calculators

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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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