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Erythrosin B sodium

Cat. No. M19070
Erythrosin B sodium Structure
Size Price Availability Quantity
20mg USD 90  USD90 In stock
50mg USD 190  USD190 In stock
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Quality Control & Documentation
Biological Activity

Erythrosin B sodium is a synthetic azo dye commonly used as a food colorant and textile dye. It is a water-soluble compound that produces a bright red color.

Chemical Information
Molecular Weight 879.86
Formula C20H6I4Na2O5
CAS Number 568-63-8
Solubility (25°C) Soluble in water, glycerin and methanol
Storage 4°C, protect from light, dry, sealed
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Zhong Li, et al. Acta Pharm Sin B. In vitro and in vivo characterization of erythrosin B and derivatives against Zika virus

[2] Albandary Almahri, et al. Luminescence. Resonance Rayleigh scattering and spectrofluorimetric approaches for the selective determination of rupatadine using erythrosin B as a probe: application to content uniformity test

[3] Yuhui Zhang, et al. Luminescence. Rapid detection of chiral drug ephedrine using erythrosin B for the resonance Rayleigh scattering probe

[4] Josef D Franke, et al. Biotechniques. Erythrosin B: a versatile colorimetric and fluorescent vital dye for bacteria

[5] Zhong Li, et al. Antiviral Res. Erythrosin B is a potent and broad-spectrum orthosteric inhibitor of the flavivirus NS2B-NS3 protease

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