Product Code Pack Size Sterling Euros Dollars      87045  100mg  £120  €190  $247   6-Chloro-4-trifluoromethylumbelliferyl β-D-galactopyranoside 6-Chloro-4-trifluoromethylumbelliferyl beta-D-galactopyranoside; CTU-Gal   CAS:    None     MF:   C16H14ClF3O8   Purity ≥ 97% [HPLC]   Substrate which exhibits longer absorption/emission maxima (~385/500 nm) than 4MU-derived substrates (~365/450 nm).  May be beneficial when levels of endogenous fluorescence in the sample preclude the use of 4MU-substrates.