CAS Registry Number

CAS 2207-68-3 — 1-(4-Nitrophenyl)glycerol (PNPG)

1-(4-Nitrophenyl)glycerol (PNPG) is a synthetic organic compound used primarily as a chromogenic substrate in enzyme assays, particularly for detecting β-galactosidase activity. It is a white to pale yellow crystalline powder with a molecular formula of C9H11NO5 and a molecular weight of 213.19 g/mol. CAS number: 2207-68-3. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies 1-(4-Nitrophenyl)glycerol (PNPG) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.