Product Description
SiR-COOH is the carboxylic acid form of SiR. The free carboxylic acid can be activated with various coupling agents to allow the preparation of custom SiR probes. SiR-COOH can be coupled to a large variety of ligands such as antibodies, drugs, proteins or nucleic acids. SiR is compatible with GFP and/or m-cherry fluorescent proteins. It can be imaged with standard Cy5 filtersets.
Properties
λabs 652 nm
εmax 1.0·105 mol-1·cm-1
λfl 674 nm
MW =472.6 g/mol
CF260 = 0.116
CF280 = 0.147