Processed databases
Atom-Mass pairs
Outputs for Ketovaline; LC-ESI-QQ; MS2; CE:10 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO001315
Synonyms: 3-Methyl-2-oxobutanoate, 2-Keto-3-methylbutyric acid, 2-Ketovaline, 2-Oxoisopentanoate, 3-Methyl-2-oxobutyric acid, 3-Methyl-2-oxobutanoic acid, 2-Oxo-3-methylbutanoate, alpha-Ketovaline, 2-Oxoisovalerate, Ketovaline
Total mass: 116.1149
Formula: H8 C5 O3
Experimental information
MS type: MS2
Instrument: API3000, Applied Biosystems
Instrument type: LC-ESI-QQ
Ionization mode: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks: 132.8,
Replicated queried mass peaks: 115.1,
Processing time: 0:00:01.116595
Results for the quried mass "97.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C4O3 | 0.049 | 1 | 0 | C2,C3,C4,C5,O6,O7,O8 |
| C4O3 | 0.049 | 1 | 0 | C1,C3,C4,C5,O6,O7,O8 |
| C5O2 | 0.092 | 5 | 0 | C1,C2,C3,C4,C5,O7,O8 |
| C5O2 | 0.092 | 5 | 0 | C1,C2,C3,C4,C5,O6,O8 |
| C5O2 | 0.092 | 5 | 0 | C1,C2,C3,C4,C5,O6,O7 |