Processed databases
Atom-Mass pairs
Outputs for L-Leucine; GC-EI-TOF; MS; 2 TMS; BP:73
Database: Plant Science Center, RIKEN
Entry ID: PR010034
Synonyms: L-Leucine, 2-Amino-4-methylvaleric acid, (2S)-alpha-Leucine, (2S)-alpha-2-Amino-4-methylvaleric acid
Total mass: 131.1724
Formula: H13 C6 O2 N1
Experimental information
MS type: MS
Instrument: Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies
Instrument type: GC-EI-TOF
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks: 135.0,142.0,145.0,148.0,156.0,159.0,163.0,170.0,174.0,177.0,186.0,203.0,216.0,219.0,231.0,234.0,260.0,
Replicated queried mass peaks: 61.0, 62.0, 67.0, 70.0, 71.0, 73.0, 74.0, 76.0, 77.0, 79.0, 80.0, 82.0, 83.0, 85.0, 86.0, 88.0, 89.0, 94.0, 95.0, 97.0, 98.0, 100.0, 101.0, 103.0, 104.0, 112.0, 114.0, 115.0, 117.0, 118.0, 128.0, 130.0, 131.0, 133.0, 134.0, 143.0, 144.0, 146.0, 147.0, 149.0, 157.0, 158.0, 160.0, 161.0, 171.0, 172.0, 175.0, 176.0, 188.0, 204.0, 218.0, 220.0, 232.0, 233.0, 261.0, 262.0,
Processing time: 0:00:01.808024
Results for the quried mass "63.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C4N1 | 0.057 | 1 | 0 | C1,C3,C4,C5,N7 |
| C4N1 | 0.057 | 1 | 0 | C2,C3,C4,C5,N7 |
| C4N1 | 0.057 | 1 | 0 | C3,C4,C5,C6,N7 |
| C4O1 | 0.034 | 1 | 0 | C3,C4,C5,C6,O8 |
| C4O1 | 0.034 | 1 | 0 | C3,C4,C5,C6,O9 |
| C5 | 0.077 | 3 | 0 | C1,C3,C4,C5,C6 |
| C5 | 0.077 | 3 | 0 | C2,C3,C4,C5,C6 |
| C5 | 0.077 | 3 | 0 | C1,C2,C3,C4,C5 |