CAS:18861-78-4 | Fluorescein 6-Isothiocyanate(isomer II)

Name:Fluorescein 6-Isothiocyanate(isomer II)

Synonyms:6-Isothiocyanatofluorescein (isomer II);Fluorescein Isothiocyanate (isomer II);6-FITC (isomer II)

CAS:18861-78-4

Purity:>97.0%

Molecular Formula:C₂₁H₁₁NO₅S

Molecular Weight:389.38

Melting Point:N/A

Boiling Point:719.1ºC at 760mmHg

Flash Point:388.7ºC

Density:1.54g/cm³

PSA:120.44

LogP:4.40

Appearance:Yellow to Amber powder to crystal

Sensitivity:Light Sensitive,Moisture Sensitive,Heat Sensitive

Solubility:Soluble in Acetone

Acidity coefficient:9.31±0.20(Predicted)

refractive index:1.753

Vapor Pressure:2.28E-21mmHg at 25°C

Storage condition:Store at -20° C

Application:Fluorescein 6-Isothiocyanate, Isomer 2, 95%(CAS:18861-78-4) is a fluorescent labeling reagent for proteins. It is used in the fluorescent antibody technique for rapid identification of pathogens.

Reference: 

 1. Riggs, J.L., et al. 1958. Amer. J. Pathol., 34: 1081-1097. PMID: 13583098

2. Mann, K.G. and Fish, W.W. 1972. Methods Enzymol. 26: 28-42. PMID: 4680709

Packaging & Delivery

Package:5g/10g/25g/50g/bulk package

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