Processed databases
Atom-Mass pairs
Outputs for 4-PHENYLBUTYRIC ACID; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP010389
Synonyms: 4-PHENYLBUTYRIC ACID
Total mass: 164.2006
Formula: H12 C10 O2
Experimental information
MS type: MS
Instrument: HITACHI RMU-6M
Instrument type: EI-B
Ionization: 20 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, 56.0, 57.0, 59.0, 60.0, 67.0, 69.0, 70.0, 72.0, 73.0, 79.0, 82.0, 83.0, 85.0, 86.0, 92.0, 96.0, 97.0, 99.0, 104.0, 105.0, 147.0, 165.0,
Processing time: 0:00:02.137354
Results for the quried mass "55.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2O2 | 0.012 | 1 | 0 | C8,C10,O11,O12 |
| C3O1 | 0.055 | 3 | 0 | C4,C8,C10,O11 |
| C3O1 | 0.055 | 3 | 0 | C4,C8,C10,O12 |
| C4 | 0.098 | 7 | 2 | C4,C5,C7,C9 |
| C4 | 0.098 | 7 | 2 | C4,C6,C7,C9 |
| C4 | 0.098 | 7 | 1 | C4,C7,C8,C10 |
| C4 | 0.098 | 7 | 1 | C4,C7,C8,C9 |