Product Description: (5)6-Carboxytetramethylrhodamine contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid; bright, orange-fluorescent dye produces conjugates with absorption/emission maxima of ~555/580 nm[1].
Formula: C25H23N2O5
References: [1]P Kask, et al. Fluorescence-intensity distribution analysis and its application in biomolecular detection technology. Proc Natl Acad Sci U S A. 1999 Nov 23;96(24):13756-61.