Processed databases
Atom-Mass pairs
Outputs for 4-Hydroxybenzoic acid; LC-ESI-QQ; MS2; CE:10 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO000963
Synonyms: p-Hydroxybenzoate, Hydroxybenzenecarboxylic acid, 4-Hydroxybenzoic acid, Hydroxybenzoic acid, 4-Hydroxybenzoate
Total mass: 138.1205
Formula: H6 C7 O3
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: 159.2,168.8,176.8,195.2,199.0,
Replicated queried mass peaks: 59.2, 59.8, 64.7, 74.9, 79.1, 90.1, 91.0, 106.9, 119.1, 196.1,
Processing time: 0:00:02.401658
Results for the quried mass "77.1"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C5O1 | 0.039 | 1 | 0 | C1,C2,C3,C4,C6,O8 |