Para-Nitrophenylphosphate

Template:DISPLAYTITLE:para-Nitrophenylphosphate

Para-Nitrophenylphosphate

IUPAC name	(4-nitrophenyl) dihydrogen phosphate
Other names	pNPP
Identifiers
CAS number	33013-2
PubChem	378
SMILES	C1=CC(=CC=C1[N+](=O)[O-])OP(=O)(O)O
Properties
Molecular formula	C₆H₆NO₆P
Molar mass	219.088701
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Additional recommended knowledge

What is the Correct Way to Check Repeatability in Balances?

para-Nitrophenylphosphate (pNPP) is a chromogenic substrate for acid and alkaline phosphatase in ELISA assays. Under their influence the decay to yellow para-nitrophenol is catalysed. This product can be measured with a 405 nm spectrophotometer.

$PNPP \overrightarrow{_{AP}} PNP$