Processed databases
Atom-Mass pairs
Outputs for Biochanin A; LC-ESI-QTOF; MS2; CE:40 eV; [M+H]+
Database: Institute of Plant Biochemistry, Halle, Germany
Entry ID: PB000262
Synonyms: Biochanin A , 5,7-dihydroxy-3-(4-methoxyphenyl)chromen-4-one
Total mass: 284.263
Formula: H12 C16 O5
Experimental information
MS type: MS2
Instrument: API QSTAR Pulsar i
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: 68.995, 105.066, 119.047, 123.04, 130.042, 131.049, 133.062, 136.016, 145.058, 152.009, 153.018, 157.062, 159.06, 163.041, 168.059, 170.026, 171.052, 173.066, 183.066, 185.062, 186.067, 197.061, 198.068, 200.049, 201.067, 212.056, 213.057, 215.068, 216.045, 225.056, 226.064, 230.091, 242.06, 243.064, 253.054, 254.06, 270.058, 271.061, 286.08,
Processing time: 0:00:07.510619
Results for the quried mass "167.039"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C10O3 | 0.058 | 1 | 0 | C1,C2,C3,C4,C5,C8,C9,C11,C12,C16,O19,O20,O21 |
| C8O4 | 0.100 | 7 | 2 | C6,C7,C8,C10,C13,C14,C15,C16,O17,O18,O19,O21 |
| C11O2 | 0.101 | 3 | 0 | C1,C2,C3,C4,C5,C8,C9,C11,C12,C15,C16,O19,O20 |
| C11O2 | 0.101 | 3 | 0 | C1,C2,C3,C4,C5,C7,C8,C9,C11,C12,C14,O20,O21 |