Processed databases
Atom-Mass pairs
Outputs for Isonicotinic acid; LC-ESI-QTOF; MS2; CE:Ramp 5-60 V; [M-H]-
Database: Plant Science Center, RIKEN
Entry ID: PR100577
Synonyms: Isonicotinic acid, INA, 4-Picolinic acid, 4-Pyridinecarboxylic Acid, 4-Carboxypyridine
Total mass: 123.1092
Formula: H5 C6 O2 N1
Experimental information
MS type: MS2
Instrument: UPLC Q-Tof Premier, Waters
Instrument type: LC-ESI-QTOF
Ionization: ESI
Ionization mode: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks:
Processing time: 0:00:00.748701
Results for the quried mass "78.0353"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C5N1 | 0.056 | 4 | 0 | C1,C2,C3,C4,C5,N7 |
| C4O2 | 0.010 | 2 | 0 | C2,C4,C5,C6,O8,O9 |
| C4O2 | 0.010 | 2 | 0 | C1,C3,C5,C6,O8,O9 |
| C4O2 | 0.010 | 2 | 0 | C1,C2,C5,C6,O8,O9 |