Naphthol AS-OL

CAS: 135-62-6

Ref. 3D-EN71191

Product Information

• Name: Naphthol AS-OL
• Synonyms: C.I. 375303-Hydroxy-2-naphtho-o-anisidine
• Brand: Biosynth
• Description: Naphthol AS-OL is a widely used chromogenic enzyme substrate that forms a colored product upon reaction with specific enzymes. It is commonly employed in histochemical and cytochemical staining techniques to visualize enzyme activity in cells and tissues. Naphthol AS-OL is particularly useful for detecting the presence of enzymes such as alkaline phosphatase, acid phosphatase, and esterases. The resulting colored product can be easily observed under a microscope, allowing researchers to study the distribution and localization of these enzymes in various biological samples.

Chemical properties

• Molecular weight: 293.32 g/mol
• Formula: C₁₈H₁₅NO₃
• Purity: Min. 95%
• Color/Form: Powder