Fluorescein labeling

Fluorescein labeling


Fluorescein (FAM) is a xanthene universal dye for various applications, compatible with most of existing instruments. It can be used as quantum yield standard and is replaceable with Alexa Fluor 488, DyLight 488.

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Catalog Product Name Structure M.W. Purity Pricing
Fluorescein Acid
BP-20954Fluorescein-PEG4-Acid654.796%Pricing
BP-23884Fluorescein-PEG5-Acid698.898%Pricing
BP-20955Fluorescein-PEG6-Acid742.896%Pricing
Fluorescein NHS ester
BP-23900FAM NHS ester, 6-isomer473.498%Pricing
BP-24276Fluorescein-PEG5-NHS ester795.895%Pricing
BP-20959Fluorescein-PEG6-NHS ester839.995%Pricing
BP-22401Carboxyfluorescein-PEG12-NHS1073.196%Pricing
BP-23378Fluorescein-PEG6-bis-NHS ester93995%Pricing
Fluorescein Amine
BP-23889FAM amine, 5-isomer51195%Pricing
BP-23890FAM amine, 6-isomer51195%Pricing
BP-20958Fluorescein-PEG3-Amine581.696%Pricing
BP-25104Fluorescein-PEG6-Amine713.898%Pricing
BP-20957Fluorescein-PEG3-(N-Boc)-Amine681.896%Pricing
Fluorescein isothiocyanate
BP-23367FITC, Fluorescein isothiocyanate389.496%Pricing
Fluorescein Alkyne
BP-22530FAM alkyne, 5-isomer413.495%Pricing
BP-22531FAM alkyne, 6-isomer413.496%Pricing
Fluorescein Azide
BP-22544FAM azide, 5-isomer458.496%Pricing
BP-22545FAM azide, 6-isomer458.496%Pricing
BP-20956Fluorescein-PEG2-azide563.696%Pricing
BP-23405Fluorescein-PEG4-azide651.795%Pricing
BP-24164CalFluor 488 Azide83690%Pricing
BP-24166CalFluor 580 Azide878.195%Pricing
Fluorescein DBCO
BP-23399Fluorescein-DBCO665.795%Pricing
Fluorescein Maleimide
BP-24060Fluorescein-Maleimide529.595%Pricing
Fluorescein Hydrazide
BP-23934FAM hydrazide, 5-isomer426.895%Pricing
BP-23935FAM hydrazide, 6-isomer426.895%Pricing
Bis-Fluorescein-PEG
BP-25105Bis-Fluorescein-PEG61103.298%Pricing