CAS Registry Number
CAS 3326-32-7 — 5-Fluorescein isothiocyanate isomer I (FITC)
5-Fluorescein isothiocyanate isomer I (FITC) is a fluorescent dye used in bioconjugation for labeling proteins, antibodies, and other biomolecules in research and diagnostics. It exhibits strong fluorescence when excited by blue light. Available with CAS number 3326-32-7, molecular formula C21H11NO5S, and molecular weight 389.38 g/mol. Store at 2 to 8 °C. Hazard symbol: Danger. Molekula supplies FITC isomer I from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Molekula products for CAS 3326-32-7
Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.