Fluorescein (FAM) is one of the oldest yet well known fluorescent dyes. This derivative of FAM contains cyclooctyne group (dibenzocyclooctyne, abbreviated as DBCO or ADIBO) for the conjugation with azides via copper-free, strain-promoted azide alkyne cycloaddition (spAAc). FAM DBCO can be used for the labeling of proteins, peptides, nucleic acids, and other molecules containing azide groups. Azides react with DBCO spontaneously upon simple mixing. The reaction does not require any catalysts, and it is very efficient. Fluorescein can be detected using a variety of different instruments.
Molecular Weight:
676.71 kDa
Purity:
95% (by 1H NMR and HPLC-MS).
Form:
Orange solid.
Formula:
C42H32N2O7
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