5-Bromo-4-Chloro-3-Indolyl-α-D-Galactopyranoside

(X-α-Gal; X-α-D-Galactoside)

Inalco Code:	1758-0200
C.A.S.R.N.:	107021-38-5
Applications:	Substrate for α-Galactosidase that is converted, by the enzyme, into an intense indigo-blue chromophore (615 nm). It is used for differentiating alpha-Galactosidase positive yeast strains or bacteria (e.g. bifidobacteria). It has been used in histochemistry for the detection of enzyme activity in tissue with a light microscope.
Formula:	C₁₄H₁₅BrClNO₆