Description
X-Sulfate potassium salt; 5-Bromo-4-chloro-3-indoxyl sulfate, potassium salt
 MOLECULAR BIOLOGY GRADE
 C8H4BrClNO4SK
 MW: 364.65 g/mol
 X-Sulfate K is a slightly off-white to faint-yellowish powder that is used as a chromogenic substrate for aryl-sulfatase. X-Sulfate K yields a blue precipitate when cleaved.
 Store at -20°C. Protect from light.
 Sensitive to moisture.
 Keep under inert gas.