Processed databases
Atom-Mass pairs
Outputs for Histamine; LC-ESI-QQ; MS2; CE:30 V; [M+H]+
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO003130
Synonyms: Histamine, 2-(4-Imidazolyl)ethylamine, 1H-Imidazole-4-ethanamine
Total mass: 111.1447
Formula: H9 C5 N3
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: 349.8,
Replicated queried mass peaks: 54.9, 55.9, 68.0, 69.1, 81.0, 82.2, 95.1,
Processing time: 0:00:01.480657
Results for the quried mass "54.2"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2N2 | 0.149 | 2 | 0 | C3,C4,N7,N8 |
| C3N1 | 0.130 | 4 | 0 | C1,C2,C5,N6 |