Processed databases
Atom-Mass pairs
Outputs for Gentisic acid; LC-ESI-QTOF; MS2; CE:Ramp 5-60 V; [M+H]+
Database: Plant Science Center, RIKEN
Entry ID: PR100383
Synonyms: 2,5-dihydroxy benzoic acid, 2,5-DHBA, DHB, 2,5-Dihydroxybenzoate, 2,5-Dioxybenzoic acid, Gentisic acid, Gentisate, Hydroquinonecarboxylic acid, Gensigen, Gentinatre, Gentidol, Gentalpin, Gentasol, Gentisan, Gentisod, 5-Hydroxysalicylic acid
Total mass: 154.1199
Formula: H6 C7 O4
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: 99.51, 113.9587,
Processing time: 0:00:01.470296
Results for the quried mass "81.0317"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C5O1 | 0.061 | 5 | 1 | C1,C2,C3,C4,C6,O9 |
| C5O1 | 0.061 | 5 | 1 | C1,C2,C3,C4,C6,O8 |
| C5O1 | 0.061 | 5 | 2 | C1,C2,C4,C5,C6,O9 |
| C5O1 | 0.061 | 5 | 2 | C1,C2,C4,C5,C6,O8 |
| C5O1 | 0.061 | 5 | 2 | C1,C3,C4,C5,C6,O9 |
| C5O1 | 0.061 | 5 | 2 | C1,C2,C5,C6,C7,O11 |
| C5O1 | 0.061 | 5 | 2 | C1,C3,C4,C5,C7,O11 |
| C5O1 | 0.061 | 5 | 1 | C1,C2,C3,C5,C6,O9 |
| C5O1 | 0.061 | 5 | 2 | C1,C2,C5,C6,C7,O9 |
| C5O1 | 0.061 | 5 | 2 | C1,C3,C4,C5,C6,O8 |
| C5O1 | 0.061 | 5 | 2 | C1,C3,C4,C5,C7,O8 |
| C5O1 | 0.061 | 5 | 1 | C1,C2,C3,C4,C5,O8 |
| C5O1 | 0.061 | 5 | 2 | C2,C3,C4,C5,C6,O8 |
| C5O1 | 0.061 | 5 | 2 | C2,C3,C4,C5,C6,O9 |
| C5O1 | 0.061 | 5 | 2 | C2,C3,C5,C6,C7,O11 |
| C4O2 | 0.018 | 1 | 0 | C1,C2,C4,C6,O8,O9 |