Fluorescein isothiocyanateFluorescein isothiocyanate (FITC) is a derivative of fluorescein used in wide-ranging applications including flow cytometry. First described in 1942, FITC is the original fluorescein molecule functionalized with an isothiocyanate reactive group (−N=C=S), replacing a hydrogen atom on the bottom ring of the structure. Read from the Chembox of the Wikipedia article Fluorescein isothiocyanate, revision 1369490672.

Property

Value

Formula

C21H11NO5S, 389.39 g/mol

Density

1.542 g/cm³

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