Processed databases
Atom-Mass pairs
Outputs for 4-AMINOBUTYRIC ACID; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP011892
Synonyms: 4-AMINOBUTYRIC ACID, GAMMA-AMINOBUTYRIC ACID
Total mass: 103.1194
Formula: H9 C4 O2 N1
Experimental information
MS type: MS
Instrument: HITACHI M-2500
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: 17.0, 27.0, 28.0, 30.0, 31.0, 40.0, 41.0, 43.0, 44.0, 55.0, 56.0, 85.0, 86.0,
Processing time: 0:00:01.453394
Results for the quried mass "45.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2N1 | 0.083 | 7 | 1 | C1,C3,N5 |
| C1O2 | 0.017 | 1 | 0 | C4,O6,O7 |
| C2O1 | 0.060 | 5 | 2 | C2,C4,O7 |