Processed databases
Atom-Mass pairs
Outputs for 4-Hydroxybenzoic acid; LC-ESI-QTOF; MS2; CE:Ramp 5-60 V; [M+H]+
Database: Plant Science Center, RIKEN
Entry ID: PR100417
Synonyms: 4-Hydroxybenzoate, p-Hydroxybenzoic acid, 4-Hydroxybenzoic acid, Hydroxybenzenecarboxylic acid
Total mass: 138.1205
Formula: H6 C7 O3
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: 99.0062, 99.5551, 112.0676,
Processing time: 0:00:01.554912
Results for the quried mass "111.068"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C6O2 | 0.050 | 7 | 2 | C1,C2,C3,C4,C5,C7,O9,O10 |
| C5O3 | 0.007 | 3 | 0 | C2,C4,C5,C6,C7,O8,O9,O10 |
| C5O3 | 0.007 | 3 | 0 | C1,C3,C5,C6,C7,O8,O9,O10 |