Compound as reactive (3)

2 H⁺ + 4-nitrophenol + NADH + oxygen → H₂O + 4-nitrocatechol + NAD⁺

4-nitrophenol + NAD(P)H + H⁺ + oxygen → H₂O + 1,4-benzoquinone + NAD(P)+ + nitrite

2 H⁺ + 4-nitrophenol + NADPH + oxygen → H₂O + 4-nitrocatechol + NADP⁺

Compound as product (8)

H₂O + p-nitrophenyl-α-L-arabinofuranoside → 4-nitrophenol + α-L-arabinofuranose + H⁺

H₂O + paraoxon → 2 H⁺ + diethylphosphate + 4-nitrophenol

H₂O + p-nitrophenyl-α-L-rhamnopyranoside → 4-nitrophenol + H⁺ + β-L-rhamnopyranose

H₂O + parathion → 2 H⁺ + diethylthiophosphate + 4-nitrophenol

H₂O + methyl parathion → 2 H⁺ + 4-nitrophenol + dimethylthiophosphate

H₂O + 4-nitrophenyl phosphate → 4-nitrophenol + H⁺ + phosphate

p-nitrophenyl-β-D-glucopyranoside + H₂O → 4-nitrophenol + D-glucopyranose + H⁺

4-nitrophenyl palmitate + H₂O → 4-nitrophenol + palmitate + 2 H⁺

Reversible reaction (2)

2,4-dinitrophenol + NADH ↔ 4-nitrophenol + NAD⁺ + nitrite

H₂O + bis(p-nitrophenyl) phosphate ↔ 2 H⁺ + 4-nitrophenol + 4-nitrophenyl phosphate