Processed databases
Atom-Mass pairs
Outputs for Quercetin; LC-ESI-QQ; MS2; CE:20 eV; [M-H]-
Database: Institute of Plant Biochemistry, Halle, Germany
Entry ID: PB004101
Synonyms: Quercetin , 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one
Total mass: 302.2353
Formula: H10 C15 O7
Experimental information
MS type: MS2
Instrument: TSQ 7000
Instrument type: LC-ESI-QQ
Ionization: ESI
Ionization mode: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 109.0, 125.0, 151.0, 161.0, 163.0, 164.0, 173.0, 177.0, 184.0, 185.0, 187.0, 190.0, 191.0, 193.0, 203.0, 213.0, 215.0, 219.0, 227.0, 229.0, 230.0, 233.0, 240.0, 241.0, 245.0, 256.0, 257.0, 272.0, 273.0, 284.0, 300.0, 301.0,
Processing time: 0:00:09.623391
Results for the quried mass "192.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C10O4 | 0.168 | 8 | 1 | C1,C2,C3,C5,C6,C7,C8,C9,C11,C15,O16,O17,O18,O22 |
| C10O4 | 0.168 | 8 | 2 | C1,C2,C3,C6,C8,C9,C12,C13,C14,C15,O17,O18,O20,O21 |
| C10O4 | 0.168 | 8 | 1 | C1,C2,C3,C5,C6,C8,C9,C11,C14,C15,O17,O18,O21,O22 |
| C9O5 | 0.125 | 4 | 0 | C4,C5,C7,C10,C11,C12,C13,C14,C15,O16,O19,O20,O21,O22 |
| C9O5 | 0.125 | 4 | 0 | C1,C2,C3,C6,C8,C9,C13,C14,C15,O17,O18,O20,O21,O22 |