Processed databases
Atom-Mass pairs
Outputs for 4-HYDROXYBENZOIC ACID; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP010824
Synonyms: 4-HYDROXYBENZOIC ACID
Total mass: 138.1205
Formula: H6 C7 O3
Experimental information
MS type: MS
Instrument: JEOL JMS-D-3000
Instrument type: EI-B
Ionization: 70 eV
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 42.0, 43.0, 45.0, 46.0, 51.0, 55.0, 57.0, 61.0, 62.0, 64.0, 65.0, 71.0, 74.0, 78.0, 83.0, 93.0, 94.0, 122.0, 123.0, 139.0,
Processing time: 0:00:02.170438
Results for the quried mass "69.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C4O1 | 0.082 | 5 | 1 | C2,C3,C4,C6,O8 |
| C4O1 | 0.082 | 5 | 1 | C1,C3,C4,C6,O8 |
| C3O2 | 0.039 | 1 | 0 | O9,C2,C5,C7,O10 |
| C3O2 | 0.039 | 1 | 0 | C1,O9,C5,C7,O10 |