Merck, 96631-5MG, Bis(2,2′-bipyridine)-4′-methyl-4-carboxybipyridine-ruthenium N-succinimidyl ester-bis(hexafluorophosphate)

Application
Activated ester of ruthenium complex for acylation of amino acid side chain amines.
Bis(2,2′-bipyridine)-4′-methyl-4-carboxybipyridine-ruthenium N-succinimidyl ester-bis(hexafluorophosphate) has been used:
as a component in the preparation of ruthenium labelling agent solution (RuC) as an extrinsic fluorophore
to stain protein in mass cytometry
in the synthesis of ruthenium (Ru) gelatin
in the preparation of streptavidin-Ru(bpy)32+ mixture involved in aptamer-magnetic bead electrochemiluminescence (ECL) sandwich assays

Features and Benefits
This dye has a long fluorescence lifetime (near 500 nanoseconds) with high photostability, good water solubility, a lack of dye-dye interactions and large Stokes′ shifts.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.