Processed databases
Atom-Mass pairs
Outputs for Uracil; LC-ESI-QQ; MS2; CE:30 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO001975
Synonyms: Uracil
Total mass: 112.0866
Formula: H4 C4 O2 N2
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:
Replicated queried mass peaks: 67.4,
Processing time: 0:00:00.745367
Results for the quried mass "42.3"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C1O1N1 | 0.283 | 0 | 0 | C3,N6,O7 |
| C1O1N1 | 0.283 | 0 | 0 | C4,N5,O8 |
| C1O1N1 | 0.283 | 0 | 0 | C4,N6,O8 |
| C2O1 | 0.263 | 2 | 0 | C1,C3,O7 |