Processed databases
Atom-Mass pairs
Outputs for Coumarin; LC-ESI-QQ; MS2; CE:23 eV; [M+H]+
Database: Institute of Plant Biochemistry, Halle, Germany
Entry ID: PB004701
Synonyms: Coumarin , chromen-2-one
Total mass: 146.1425
Formula: H6 C9 O2
Experimental information
MS type: MS2
Instrument: TSQ QUANTUM AM
Instrument type: LC-ESI-QQ
Ionization: ESI
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 42.0, 43.0, 45.0, 56.0, 57.0, 61.0, 65.0, 70.0, 75.0, 79.0, 84.0, 85.0, 88.0, 92.0, 93.0, 102.0, 103.0, 106.0, 110.0, 111.0, 117.0, 129.0, 130.0,
Processing time: 0:00:02.284148
Results for the quried mass "77.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C5O1 | 0.061 | 1 | 0 | C3,C5,C6,C7,C9,O10 |
| C5O1 | 0.061 | 1 | 0 | C1,C2,C3,C4,C8,O11 |
| C6 | 0.104 | 5 | 0 | C1,C2,C3,C5,C6,C7 |
| C6 | 0.104 | 5 | 1 | C1,C2,C3,C4,C7,C8 |
| C6 | 0.104 | 5 | 0 | C1,C2,C3,C4,C5,C7 |