Processed databases
Atom-Mass pairs
Outputs for 2-(3,4-DIMETHOXYPHENYL)ETHANOIC ACID; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP007235
Synonyms: 2-(3,4-DIMETHOXYPHENYL)ETHANOIC ACID, HOMOVERATRIC ACID
Total mass: 196.1994
Formula: H12 C10 O4
Experimental information
MS type: MS
Instrument: HITACHI M-52
Instrument type: EI-B
Ionization: 25 eV
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 43.0, 57.0, 71.0, 78.0, 79.0, 83.0, 91.0, 94.0, 95.0, 106.0, 107.0, 109.0, 136.0, 137.0, 141.0, 143.0, 197.0,
Processing time: 0:00:02.577959
Results for the quried mass "55.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2O2 | 0.012 | 1 | 0 | C6,C10,O11,O12 |
| C2O2 | 0.012 | 1 | 1 | C8,C9,O13,O14 |
| C3O1 | 0.055 | 3 | 1 | C3,C4,C8,O13 |
| C3O1 | 0.055 | 3 | 2 | C4,C8,C9,O14 |
| C3O1 | 0.055 | 3 | 2 | C4,C8,C9,O13 |
| C3O1 | 0.055 | 3 | 2 | C5,C8,C9,O13 |
| C3O1 | 0.055 | 3 | 2 | C5,C7,C9,O14 |
| C3O1 | 0.055 | 3 | 2 | C5,C8,C9,O14 |
| C3O1 | 0.055 | 3 | 1 | C6,C7,C10,O11 |
| C3O1 | 0.055 | 3 | 0 | C6,C7,C10,O12 |