Test
Ready-to-use solution of o-phthalaldehyde, a fluorescent, amine-reactive, HPLC pre- or post-column labeling reagent to measure peptides or amino acids (Ex 340nm, Em 455nm).
Measure peptides or amino acids (Ex 340nm, Em 455nm) with phthalaldehyde, a fluorescent, amine-reactive, HPLC pre- or post-column labeling reagent.
Phenylisothiocyanate, an amine-reactive, colored compound (Amax 254nm; UV) for pre-column derivatization of amino acids for reverse-phase HPLC.