Processed databases
Atom-Mass pairs
Outputs for 4-Aminobenzoic acid; LC-ESI-QQ; MS2; CE:40 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO000087
Synonyms: p-Aminobenzoate, 4-Aminobenzoic acid, 4-Aminobenzoate, ABEE
Total mass: 137.1357
Formula: H7 C7 O2 N1
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: 92.5,
Processing time: 0:00:01.139500
Results for the quried mass "58.9"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2O2 | 0.144 | 3 | 2 | O9,O10,C5,C7 |
| C5 | 0.146 | 1 | 0 | C1,C2,C3,C4,C5 |
| C5 | 0.146 | 1 | 0 | C2,C3,C4,C5,C6 |
| C5 | 0.146 | 1 | 0 | C1,C3,C4,C5,C6 |
| C5 | 0.146 | 1 | 0 | C1,C3,C5,C6,C7 |
| C5 | 0.146 | 1 | 0 | C2,C4,C5,C6,C7 |
| C5 | 0.146 | 1 | 0 | C1,C2,C3,C4,C6 |
| C5 | 0.146 | 1 | 0 | C1,C2,C4,C5,C6 |
| C5 | 0.146 | 1 | 0 | C1,C2,C4,C5,C7 |
| C5 | 0.146 | 1 | 0 | C1,C2,C3,C5,C6 |
| C5 | 0.146 | 1 | 0 | C1,C2,C3,C5,C7 |