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.

Catalog Product Name Structure M.W. Purity Pricing
Fluorescein Acid
BP-20954Fluorescein-PEG4-AcidMolecular structure of the compound: Fluorescein-PEG4-Acid654.796%Pricing
BP-23884Fluorescein-PEG5-AcidMolecular structure of the compound: Fluorescein-PEG5-Acid698.898%Pricing
BP-20955Fluorescein-PEG6-AcidMolecular structure of the compound: Fluorescein-PEG6-Acid742.896%Pricing
Fluorescein NHS ester
BP-23900FAM NHS ester, 6-isomerMolecular structure of the compound: FAM NHS ester, 6-isomer473.495%Pricing
BP-28882(5,6)-FAM diacetate NHS esterMolecular structure of the compound: (5,6)-FAM diacetate NHS ester557.5Pricing
BP-24276Fluorescein-PEG5-NHS esterMolecular structure of the compound: Fluorescein-PEG5-NHS ester795.895%Pricing
BP-20959Fluorescein-PEG6-NHS esterMolecular structure of the compound: Fluorescein-PEG6-NHS ester839.995%Pricing
BP-22401Carboxyfluorescein-PEG12-NHSMolecular structure of the compound: Carboxyfluorescein-PEG12-NHS1073.196%Pricing
BP-23378Fluorescein-PEG6-bis-NHS esterMolecular structure of the compound: Fluorescein-PEG6-bis-NHS ester939.095%Pricing
Fluorescein Amine
BP-23889FAM amine, 5-isomerMolecular structure of the compound: FAM amine, 5-isomer511.095%Pricing
BP-23890FAM amine, 6-isomerMolecular structure of the compound: FAM amine, 6-isomer511.095%Pricing
BP-20958Fluorescein-PEG3-AmineMolecular structure of the compound: Fluorescein-PEG3-Amine581.696%Pricing
BP-25104Fluorescein-PEG6-AmineMolecular structure of the compound: Fluorescein-PEG6-Amine713.898%Pricing
BP-20957Fluorescein-PEG3-(N-Boc)-AmineMolecular structure of the compound: Fluorescein-PEG3-(N-Boc)-Amine681.896%Pricing
Fluorescein isothiocyanate
BP-23367FITC, Fluorescein isothiocyanateMolecular structure of the compound: FITC, Fluorescein isothiocyanate389.496%Pricing
Fluorescein Alkyne
BP-22530FAM alkyne, 5-isomerMolecular structure of the compound: FAM alkyne, 5-isomer413.495%Pricing
BP-22531FAM alkyne, 6-isomerMolecular structure of the compound: FAM alkyne, 6-isomer413.496%Pricing
Fluorescein Azide
BP-22544FAM azide, 5-isomerMolecular structure of the compound: FAM azide, 5-isomer458.496%Pricing
BP-22545FAM azide, 6-isomerMolecular structure of the compound: FAM azide, 6-isomer458.496%Pricing
BP-20956Fluorescein-PEG2-azideMolecular structure of the compound: Fluorescein-PEG2-azide563.696%Pricing
BP-23405Fluorescein-PEG4-azideMolecular structure of the compound: Fluorescein-PEG4-azide651.795%Pricing
BP-28107Fluorescein Biotin AzideMolecular structure of the compound: Fluorescein Biotin Azide1156.2Pricing
BP-24164CalFluor 488 AzideMolecular structure of the compound: CalFluor 488 Azide836.090%Pricing
BP-24165CalFluor 555 AzideMolecular structure of the compound: CalFluor 555 Azide891.195%Pricing
BP-24166CalFluor 580 AzideMolecular structure of the compound: CalFluor 580 Azide878.195%Pricing
BP-28900HEX azide, 6-isomerMolecular structure of the compound: HEX azide, 6-isomer665.1Pricing
BP-28901JOE azide, 5-isomerMolecular structure of the compound: JOE azide, 5-isomer587.4Pricing
BP-28908VIC azide, 6-isomerMolecular structure of the compound: VIC azide, 6-isomer637.9Pricing
Fluorescein DBCO
BP-23399Fluorescein-DBCOMolecular structure of the compound: Fluorescein-DBCO665.796%Pricing
BP-28970FAM DBCO, 6-isomerMolecular structure of the compound: FAM DBCO, 6-isomer676.7Pricing
FAM tetrazine
BP-28957FAM tetrazine, 5-isomerMolecular structure of the compound: FAM tetrazine, 5-isomer559.5Pricing
BP-28958FAM tetrazine, 6-isomerMolecular structure of the compound: FAM tetrazine, 6-isomer559.5Pricing
Fluorescein-triazole-PEG-DOTA
BP-26284Fluorescein-triazole-PEG5-DOTAMolecular structure of the compound: Fluorescein-triazole-PEG5-DOTA1358.598%Pricing
Fluorescein Maleimide
BP-24060Fluorescein-MaleimideMolecular structure of the compound: Fluorescein-Maleimide529.595%Pricing
BP-28922FAM maleimide, 6-isomerMolecular structure of the compound: FAM maleimide, 6-isomer498.5Pricing
Fluorescein Hydrazide
BP-23934FAM hydrazide, 5-isomerMolecular structure of the compound: FAM hydrazide, 5-isomer426.895%Pricing
BP-23935FAM hydrazide, 6-isomerMolecular structure of the compound: FAM hydrazide, 6-isomer426.895%Pricing
Bis-Fluorescein-PEG
BP-25105Bis-Fluorescein-PEG6Molecular structure of the compound: Bis-Fluorescein-PEG61103.298%Pricing
Difluorocarboxyfluorescein NHS Ester
BP-25594Difluorocarboxyfluorescein NHS Ester, 5-isomerMolecular structure of the compound: Difluorocarboxyfluorescein NHS Ester, 5-isomer509.4Pricing
BP-25593Difluorocarboxyfluorescein NHS Ester, 6-isomerMolecular structure of the compound: Difluorocarboxyfluorescein NHS Ester, 6-isomer509.4Pricing
Difluorocarboxyfluorescein Cadaverine, 5-isomer
BP-25595Difluorocarboxyfluorescein Cadaverine, 5-isomerMolecular structure of the compound: Difluorocarboxyfluorescein Cadaverine, 5-isomer496.5Pricing
Difluorocarboxyfluorescein Azide, 6-isomer
BP-25596Difluorocarboxyfluorescein Azide, 6-isomerMolecular structure of the compound: Difluorocarboxyfluorescein Azide, 6-isomer535.5Pricing