9-Cyano-N,N,N′-triethylpyronine-N′-caproic acid N-hydroxysuccinimide ester chloride, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Fluorescent label for amino acids allows for detection of alanine, arginine, glycine, glutamic and aspartic acid in the 0.8-4.5 × 10-18 M range.