Processed databases
Atom-Mass pairs
Outputs for Guanine; LC-ESI-QTOF; MS2; CE:Ramp 5-60 V; [M+H]+
Database: Plant Science Center, RIKEN
Entry ID: PR100138
Synonyms: Guanine, 2-Amino-6-hydroxypurine, 2-Amino-6-oxypurine, 2-Aminohypoxanthine, Guanine enol, 6-Hydroxy-2-aminopurine
Total mass: 151.1259
Formula: H5 C5 O1 N5
Experimental information
MS type: MS2
Instrument: UPLC Q-Tof Premier, Waters
Instrument type: LC-ESI-QTOF
Ionization: ESI
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks:
Processing time: 0:00:01.101988
Results for the quried mass "111.0206"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C3N5 | 0.084 | 5 | 1 | C1,C3,C5,N6,N7,N8,N9,N10 |
| C3O1N4 | 0.061 | 3 | 0 | C3,C4,C5,N6,N8,N9,N10,O11 |
| C3O1N4 | 0.061 | 3 | 0 | C2,C4,C5,N6,N7,N9,N10,O11 |
| C4O1N3 | 0.081 | 5 | 2 | C2,C3,C4,C5,N6,N9,N10,O11 |
| C4O1N3 | 0.081 | 5 | 2 | C1,C2,C4,C5,N6,N7,N10,O11 |
| C4O1N3 | 0.081 | 5 | 2 | C1,C2,C3,C4,N7,N8,N10,O11 |
| C4O1N3 | 0.081 | 5 | 1 | C1,C2,C3,C4,N7,N8,N9,O11 |