Processed databases
Atom-Mass pairs
Outputs for 4-Methylbenzoic acid; GC-EI-TOF; MS; n TMS; RT:483.949 sec
Database: Engineering department, Osaka Univ.
Entry ID: OUF00069
Synonyms: 4-Methyl Benzoic acid, 4-Methylbenzoic acid
Total mass: 136.1476
Formula: H8 C8 O2
Experimental information
MS type: MS
Instrument: Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies
Instrument type: GC-EI-TOF
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks: 145.0,148.0,151.0,163.0,175.0,178.0,192.0,195.0,207.0,210.0,
Replicated queried mass peaks: 86.0, 87.0, 89.0, 90.0, 92.0, 93.0, 95.0, 96.0, 99.0, 103.0, 104.0, 106.0, 107.0, 117.0, 119.0, 120.0, 122.0, 123.0, 132.0, 133.0, 135.0, 136.0, 146.0, 147.0, 149.0, 150.0, 152.0, 164.0, 165.0, 176.0, 177.0, 179.0, 193.0, 194.0, 196.0, 208.0, 209.0,
Processing time: 0:00:01.120438
Results for the quried mass "109.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C6O2 | 0.102 | 5 | 0 | C1,C3,C5,C6,C7,C8,O9,O10 |
| C6O2 | 0.102 | 5 | 0 | C1,C2,C4,C6,C7,C8,O9,O10 |
| C6O2 | 0.102 | 5 | 0 | C2,C3,C4,C5,C7,C8,O9,O10 |