Processed databases
Atom-Mass pairs
Outputs for 4-HYDROXYBENZOIC ACID METHYL ESTER; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP004566
Synonyms: 4-HYDROXYBENZOIC ACID METHYL ESTER, METHYL PARA-HYDROXYBENZOATE
Total mass: 152.147
Formula: H8 C8 O3
Experimental information
MS type: MS
Instrument: SHIMADZU LKB-9000B
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: 38.0, 39.0, 51.0, 52.0, 62.0, 63.0, 65.0, 66.0, 75.0, 93.0, 94.0, 108.0, 121.0, 122.0, 152.0, 153.0,
Processing time: 0:00:02.403031
Results for the quried mass "120.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C6O3 | 0.062 | 0 | 0 | C1,C3,C5,C6,C7,C8,O9,O10,O11 |
| C6O3 | 0.062 | 0 | 0 | C1,C2,C4,C6,C7,C8,O9,O10,O11 |
| C7O2 | 0.105 | 4 | 0 | C1,C2,C3,C4,C5,C6,C8,O10,O11 |
| C7O2 | 0.105 | 4 | 0 | C2,C3,C4,C5,C6,C7,C8,O9,O10 |