Naphthol AS-TR phosphate disodium - CAS 4264-93-1

Naphthol AS-TR Phosphate disodium, a water-soluble dye, serves as an enzymatic substrate in biochemical assays to measure alkaline phosphatase activity. Its unique chemical properties enable hydrolysis by alkaline phosphatase, resulting in a colored product detectable spectrophotometrically. This characteristic renders it valuable for assessing enzyme activity in biological samples, including serum and urine.

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4264-93-1

C18H13ClNNa2O5P

435.71

CC(C=C(C=C1)Cl)=C1NC(C2=CC(C=CC=C3)=C3C=C2OP([O-])([O-])=O)=O.[Na+].[Na+]

-20°C

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Dye-Reagents