Processed databases
Atom-Mass pairs
Outputs for 4-Fluorobenzoic acid; LC-ESI-QQ; MS2; CE:50 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO000783
Synonyms: 4-Fluorobenzoate, 4-Fluorobenzoic acid
Total mass: 140.1116
Formula: H5 C7 O2 F1
Experimental information
MS type: MS2
Instrument: API3000, Applied Biosystems
Instrument type: LC-ESI-QQ
Ionization mode: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks:
Processing time: 0:00:00.744762
Results for the quried mass "79.2"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C5F1 | 0.148 | 0 | 0 | C1,C2,C3,C4,C6,F8 |
| C4O2 | 0.166 | 1 | 0 | C1,C2,C5,C7,O9,O10 |
| C4O2 | 0.166 | 1 | 0 | C2,C4,C5,C7,O9,O10 |
| C4O2 | 0.166 | 1 | 0 | C1,C3,C5,C7,O9,O10 |