Processed databases
Atom-Mass pairs
Outputs for Hypoxanthine; LC-ESI-QQ; MS2; CE:30 V; [M+H]+
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO003075
Synonyms: Hypoxanthine, Purine-6-ol
Total mass: 136.1113
Formula: H4 C5 O1 N4
Experimental information
MS type: MS2
Instrument: API3000, Applied Biosystems
Instrument type: LC-ESI-QQ
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 74.0,
Processing time: 0:00:01.471367
Results for the quried mass "81.9"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C3O1N2 | 0.161 | 2 | 0 | C2,C3,C5,N6,N9,O10 |
| C3O1N2 | 0.161 | 2 | 0 | C2,C4,C5,N8,N9,O10 |
| C3O1N2 | 0.161 | 2 | 0 | C2,C3,C5,N8,N9,O10 |
| C3O1N2 | 0.161 | 2 | 0 | C1,C3,C5,N6,N9,O10 |
| C3O1N2 | 0.161 | 2 | 0 | C1,C3,C5,N6,N7,O10 |
| C3N3 | 0.184 | 4 | 2 | C1,C3,C4,N6,N7,N8 |
| C3N3 | 0.184 | 4 | 1 | C1,C2,C4,N6,N7,N8 |
| C3N3 | 0.184 | 4 | 1 | C1,C2,C4,N7,N8,N9 |