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FITC, Fluorescein isothiocyanate

Catalog No.
derivative of fluorescein used in wide-ranging applications including flow cytometry
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In stock
In stock

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Chemical Properties

Physical AppearanceA solid
StorageStore at -20°C
Cas No.3326-32-7
Solubility≥38.9 mg/mL in DMSO; insoluble in H2O; ≥21.2 mg/mL in EtOH
Chemical Name3',6'-dihydroxy-5-isothiocyanato-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
SDFDownload SDF
Canonical SMILESS=C=NC1=CC(C(OC23C4=C(OC5=C3C=CC(O)=C5)C=C(O)C=C4)=O)=C2C=C1
Shipping ConditionEvaluation sample solution: ship with blue ice. All other available sizes: ship with RT, or blue ice upon request.
General tipsFor obtaining a higher solubility, please warm the tube at 37°C and shake it in the ultrasonic bath for a while. Stock solution can be stored below -20°C for several months.

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Chemical structure

FITC, Fluorescein isothiocyanate