Processed databases
Atom-Mass pairs
Outputs for GUANINE; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP011648
Synonyms: GUANINE
Total mass: 151.1259
Formula: H5 C5 O1 N5
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, 28.0, 29.0, 38.0, 41.0, 43.0, 44.0, 54.0, 55.0, 66.0, 69.0, 70.0, 74.0, 75.0, 79.0, 81.0, 82.0, 92.0, 107.0, 108.0, 110.0, 111.0, 117.0, 120.0, 124.0, 132.0, 133.0, 135.0, 136.0, 148.0, 149.0, 151.0, 152.0,
Processing time: 0:00:02.571417
Results for the quried mass "39.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2N1 | 0.036 | 1 | 0 | C1,C2,N7 |
| C2N1 | 0.036 | 1 | 0 | C1,C3,N8 |
| C2N1 | 0.036 | 1 | 0 | C2,C3,N8 |
| C2N1 | 0.036 | 1 | 0 | C2,C3,N9 |
| C2N1 | 0.036 | 1 | 1 | C2,C4,N10 |
| C2N1 | 0.036 | 1 | 1 | C2,C3,N7 |
| C2N1 | 0.036 | 1 | 1 | C2,C4,N7 |
| C2N1 | 0.036 | 1 | 0 | C3,C5,N9 |
| C2N1 | 0.036 | 1 | 1 | C4,C5,N10 |
| C1N2 | 0.016 | 1 | 0 | C1,N7,N8 |
| C1N2 | 0.016 | 1 | 0 | C3,N8,N9 |
| C1N2 | 0.016 | 1 | 0 | C5,N6,N9 |
| C1N2 | 0.016 | 1 | 0 | C5,N6,N10 |
| C1N2 | 0.016 | 1 | 0 | C5,N9,N10 |
| C2O1 | 0.013 | 1 | 0 | C2,C4,O11 |