Formulation: A solid
Formal Name: 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-3′,6′-dihydroxy-spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, monohydrochloride
Purity: ≥98%
Formula Markup: C23H12Cl2N4O5 • HCl
Formula Weight: 531,7
Shelf life (days): 1460
CAS Number: 21811-74-5
Notes: 5-(4,6-Dichloro-s-triazin-2-ylamino)fluorescein (DTAF) is an amine-reactive fluorescent probe for labeling proteins.{62695} It displays excitation/emission maxima of 492/513 nm, respectively. DTAF has been conjugated to IgG for use as fluorescent antibodies and as a pre-column or on-column reagent to label amino acids and amino acid-containing compounds.{62695,62696,62697} It has also been used as a derivatizing agent in the analysis of ephedrine and pseudoephedrine from various sources.{62697}