Processed databases
Atom-Mass pairs
Outputs for gamma-Guanidinobutyric acid; LC-ESI-QQ; MS2; CE:20 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO000869
Synonyms: g-Guanidinobutyrate, 4-Guanidinobutanoate, gamma-Guanidinobutyric acid
Total mass: 145.1593
Formula: H11 C5 O2 N3
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: 58.8, 59.7, 84.1, 85.4, 98.1, 102.0,
Processing time: 0:00:01.675711
Results for the quried mass "126.8"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C5O2N2 | 0.321 | 7 | 0 | C1,C2,C3,C4,C5,N7,N8,O9,O10 |
| C5O2N2 | 0.321 | 7 | 0 | C1,C2,C3,C4,C5,N6,N8,O9,O10 |
| C5O1N3 | 0.344 | 9 | 0 | C1,C2,C3,C4,C5,N6,N7,N8,O10 |
| C5O1N3 | 0.344 | 9 | 0 | C1,C2,C3,C4,C5,N6,N7,N8,O9 |