Processed databases
Atom-Mass pairs
Outputs for Quercetin; LC-ESI-QTOF; MS2; CE:Ramp 5-60 eV; [M-H]-
Database: Plant Science Center, RIKEN
Entry ID: PR040049
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: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 65.0014, 108.0202, 109.0291, 151.0037,
Processing time: 0:00:05.668787
Results for the quried mass "178.9987"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C8O5 | 0.108 | 3 | 0 | C4,C5,C7,C10,C11,C12,C13,C14,O16,O19,O20,O21,O22 |
| C9O4 | 0.151 | 7 | 1 | C1,C2,C3,C6,C8,C9,C13,C14,C15,O17,O18,O20,O21 |
| C9O4 | 0.151 | 7 | 1 | C1,C2,C3,C6,C8,C9,C11,C14,C15,O17,O18,O21,O22 |