Fluorescein Isothiocyanate, Isomer I Orange red solid. PROTECT FROM LIGHT. HYGROSCOPIC. Popular derivative of fluorescein. Can be used to label antibodies and other proteins. Purity: ≥95% by TLC. Excitation max.: 492 nm, Emission max.: 520 nm CAS 3326-32-7. Ref.: Cherry, N.B., et al. 1965. Stain Technol. 44, 179. |