Processed databases
Atom-Mass pairs
Outputs for 4-Nitrophenol; LC-ESI-QTOF; MS2; CE:Ramp 5-60 V; [M+H]+
Database: Plant Science Center, RIKEN
Entry ID: PR100192
Synonyms: 4-Nitrophenol, PNP, p-Nitrophenol, 4-Nitrohydroxybenzene, 4-Hydroxynitrobenzene, Niphen, Paranitrophenol
Total mass: 139.1086
Formula: H5 C6 O3 N1
Experimental information
MS type: MS2
Instrument: UPLC Q-Tof Premier, Waters
Instrument type: LC-ESI-QTOF
Ionization: ESI
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 99.5112,
Processing time: 0:00:00.734984
Results for the quried mass "123.0336"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C6O2N1 | 0.076 | 5 | 1 | C1,C2,C3,C4,C5,C6,N7,O9,O10 |
| C6O2N1 | 0.076 | 5 | 0 | C1,C2,C3,C4,C5,C6,N7,O8,O10 |
| C6O2N1 | 0.076 | 5 | 0 | C1,C2,C3,C4,C5,C6,N7,O8,O9 |
| C5O3N1 | 0.033 | 1 | 0 | C2,C3,C4,C5,C6,N7,O8,O9,O10 |
| C5O3N1 | 0.033 | 1 | 0 | C1,C3,C4,C5,C6,N7,O8,O9,O10 |
| C5O3N1 | 0.033 | 1 | 0 | C1,C2,C4,C5,C6,N7,O8,O9,O10 |
| C5O3N1 | 0.033 | 1 | 0 | C1,C2,C3,C5,C6,N7,O8,O9,O10 |