Processed databases
Atom-Mass pairs
Outputs for Quercetin; LC-ESI-QQ; MS2; CE:30 eV; [M-H]-
Database: Institute of Plant Biochemistry, Halle, Germany
Entry ID: PB004103
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: 65.0, 95.0, 108.0, 109.0, 117.0, 120.0, 121.0, 124.0, 125.0, 130.0, 131.0, 133.0, 134.0, 136.0, 137.0, 143.0, 144.0, 146.0, 147.0, 149.0, 152.0, 157.0, 159.0, 162.0, 163.0, 165.0, 168.0, 169.0, 171.0, 172.0, 174.0, 175.0, 179.0, 183.0, 184.0, 186.0, 187.0, 190.0, 191.0, 193.0, 196.0, 197.0, 199.0, 200.0, 203.0, 205.0, 210.0, 211.0, 213.0, 214.0, 216.0, 217.0, 225.0, 228.0, 229.0, 231.0, 232.0, 240.0, 241.0, 244.0, 245.0, 255.0, 256.0, 272.0, 273.0, 284.0, 300.0, 301.0,
Processing time: 0:00:12.517434
Results for the quried mass "204.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C10O5 | 0.136 | 4 | 0 | C4,C5,C6,C7,C10,C11,C12,C13,C14,C15,O16,O19,O20,O21,O22 |
| C10O5 | 0.136 | 4 | 0 | C1,C2,C3,C6,C8,C9,C11,C13,C14,C15,O17,O18,O20,O21,O22 |
| C10O5 | 0.136 | 4 | 0 | C1,C2,C3,C6,C8,C9,C12,C13,C14,C15,O17,O18,O20,O21,O22 |
| C11O4 | 0.179 | 8 | 0 | C1,C2,C3,C4,C5,C6,C7,C8,C9,C11,C15,O16,O17,O18,O22 |