Processed databases
Atom-Mass pairs
Outputs for Quercetin; LC-ESI-QTOF; MS2; CE:30 eV; [M+H]+
Database: Plant Science Center, RIKEN
Entry ID: PR040053
Synonyms: 3,3',4',5,7-pentahydroxyflavone, Quercetin, Quer, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-chromen-4-one
Total mass: 302.2353
Formula: H10 C15 O7
Experimental information
MS type: MS2
Instrument: UPLC Q-Tof Premier, Waters
Instrument type: LC-ESI-QTOF
Ionization: ESI
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 69.0282, 95.0438, 111.0042, 117.0668, 123.0413, 137.0221, 145.0642, 153.0819, 163.0389, 165.0844, 166.0256, 201.1284, 229.05, 229.1272, 247.0602,
Processing time: 0:00:09.973811
Results for the quried mass "68.9872"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C4O1 | 0.094 | 5 | 2 | C1,C2,C8,C9,O18 |
| C4O1 | 0.094 | 5 | 2 | C1,C3,C6,C9,O18 |
| C4O1 | 0.094 | 5 | 2 | C1,C2,C8,C9,O17 |
| C4O1 | 0.094 | 5 | 2 | C1,C2,C6,C8,O17 |
| C4O1 | 0.094 | 5 | 2 | C2,C3,C8,C9,O18 |
| C4O1 | 0.094 | 5 | 2 | C2,C3,C8,C9,O17 |
| C4O1 | 0.094 | 5 | 2 | C4,C5,C7,C10,O19 |
| C4O1 | 0.094 | 5 | 2 | C4,C5,C7,C11,O16 |
| C4O1 | 0.094 | 5 | 2 | C4,C5,C7,C10,O16 |
| C3O2 | 0.052 | 1 | 0 | C2,C8,C9,O17,O18 |
| C3O2 | 0.052 | 1 | 0 | C3,C8,C9,O17,O18 |
| C3O2 | 0.052 | 1 | 0 | C4,C7,C10,O16,O19 |
| C3O2 | 0.052 | 1 | 0 | C5,C7,C11,O16,O22 |
| C3O2 | 0.052 | 1 | 0 | C6,C14,C15,O21,O22 |
| C3O2 | 0.052 | 1 | 0 | C10,C11,C12,O19,O22 |
| C3O2 | 0.052 | 1 | 0 | C10,C12,C13,O19,O20 |
| C3O2 | 0.052 | 1 | 0 | C11,C14,C15,O21,O22 |
| C3O2 | 0.052 | 1 | 1 | C11,C12,C13,O20,O22 |
| C3O2 | 0.052 | 1 | 0 | C12,C13,C14,O20,O21 |
| C3O2 | 0.052 | 1 | 0 | C13,C14,C15,O21,O22 |
| C3O2 | 0.052 | 1 | 1 | C13,C14,C15,O20,O22 |
| C3O2 | 0.052 | 1 | 0 | C13,C14,C15,O20,O21 |