Processed databases
Atom-Mass pairs
Outputs for 4-HYDROXY-3-METHOXYBENZOIC ACID; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP008196
Synonyms: 4-HYDROXY-3-METHOXYBENZOIC ACID, VANILLIC ACID
Total mass: 168.1464
Formula: H8 C8 O4
Experimental information
MS type: MS
Instrument: HITACHI M-80
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: 41.0, 51.0, 52.0, 55.0, 65.0, 79.0, 81.0, 108.0, 121.0, 125.0, 152.0, 153.0, 169.0, 170.0,
Processing time: 0:00:02.146032
Results for the quried mass "137.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C7O3 | 0.113 | 5 | 0 | C1,C2,C3,C4,C5,C7,C8,O10,O11,O12 |
| C7O3 | 0.113 | 5 | 0 | C2,C3,C4,C5,C6,C7,C8,O9,O10,O11 |
| C6O4 | 0.070 | 1 | 0 | C1,C4,C5,C6,C7,C8,O9,O10,O11,O12 |