| Description | PNPP is a non-proteinaceous chromogenic substrate for alkaline and acid phosphatases used in ELISA and conventional spectrophotometric assays. |
| In vitro | 磷酸酶催化PNPP的水解作用，释放出无机磷和对硝基苯酚（pNP）的共轭碱，产生的苯酚酸盐呈黄色，最大吸收波长为405 nm[1]。 |
| molecular weight | 263.05 |
| Molecular formula | C6H4NNa2O6P |
| CAS | 4264-83-9 |
| Storage | store at low temperature,keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
| Solubility | H2O: 160 mg/mL (608.25 mM), Sonication is recommended. |