Fluorescein 6-isothiocyanate

Catalog No: SP-F-0005
Purity: 95%-98%
CAS No: 18861-78-4
Synonym: 3',6'-dihydroxy-5-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
MW: 389.38
Formula: C₂₁H₁₁NO₅S
pKa: 9.31±0.20