white to light yellow crystalline powder
p-Nitrophenyl-β-D-galactopyranoside (cas# 3150-24-1) is a compound useful in organic synthesis.
ChEBI: A beta-D-galactopyranoside having a 4-nitrophenyl substituent at the anomeric position.
Purify the galactoside by recrystallisation from EtOH. [Horikoshi J Biochem (Tokyo) 35 39 1042, Goebel & Avery J Exptl Medicine 50 521 1929, Snyder & Link J Am Chem Soc 7 5 1758.] It is a chromogenic substrate for -galactosidases [Buoncore et al. J Appl Biochem 2 390 1980]. [Beilstein 17/7 V 55.]
