Processed databases
Atom-Mass pairs
Outputs for ETHYLMALONIC ACID; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP011259
Synonyms: ETHYLMALONIC ACID
Total mass: 132.1143
Formula: H8 C5 O4
Experimental information
MS type: MS
Instrument: SHIMADZU QP-1000EX
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: 15.0, 16.0, 18.0, 19.0, 27.0, 28.0, 30.0, 31.0, 38.0, 40.0, 41.0, 43.0, 44.0, 46.0, 47.0, 54.0, 55.0, 57.0, 58.0, 61.0, 62.0, 69.0, 70.0, 72.0, 73.0, 75.0, 86.0, 87.0, 89.0, 105.0, 106.0, 114.0, 115.0,
Processing time: 0:00:02.220877
Results for the quried mass "88.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C4O2 | 0.105 | 8 | 1 | C1,C2,C3,C5,O8,O9 |
| C4O2 | 0.105 | 8 | 1 | C1,C2,C3,C4,O6,O7 |