6,8-Difluoro-7-hydroxy-2-oxo-2H-chromene-3-carboxylic Acid can be used in the study of anti-?idiotypic antibodies targeting anti-?CD19 chimeric antigen receptors derived from 4G9 scFv for accurately detecting CAR expression of engineered T cells for use in adoptive immunotherapy for cancer.
ChEBI: Pacific blue is a hydroxycoumarin having the hydroxy group located at position 7 and bearing two fluoro substituents at positions 6 and 8 as well as a carboxy group at position 3. A fluorescent dye of excitation wavelength 403 nm and emission wavelength 455 nm. It has a role as a fluorochrome. It is a hydroxycoumarin, an organofluorine compound and a monocarboxylic acid.