Processed databases
Atom-Mass pairs
Outputs for Biochanin A; LC-ESI-QTOF; MS2; CE:55 eV; [M+H]+
Database: Institute of Plant Biochemistry, Halle, Germany
Entry ID: PB000263
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: 67.016, 68.995, 79.052, 90.044, 91.051, 96.018, 103.052, 107.046, 116.057, 117.061, 119.046, 123.038, 125.02, 128.058, 129.063, 131.046, 132.051, 134.037, 135.04, 137.021, 140.06, 143.047, 145.059, 149.022, 152.007, 153.018, 156.055, 157.058, 159.048, 160.052, 168.057, 170.024, 171.044, 173.06, 183.052, 185.061, 186.067, 196.053, 197.06, 199.04, 200.047, 212.049, 213.055, 216.043, 225.054, 242.058,
Processing time: 0:00:06.661430
Results for the quried mass "55.015"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C3O1 | 0.040 | 3 | 1 | C2,C4,C11,O20 |
| C3O1 | 0.040 | 3 | 1 | C3,C5,C11,O20 |
| C3O1 | 0.040 | 3 | 1 | C4,C5,C11,O20 |
| C3O1 | 0.040 | 3 | 0 | C6,C7,C10,O17 |
| C3O1 | 0.040 | 3 | 1 | C6,C10,C13,O18 |
| C3O1 | 0.040 | 3 | 1 | C6,C10,C13,O17 |
| C3O1 | 0.040 | 3 | 1 | C6,C13,C15,O18 |
| C3O1 | 0.040 | 3 | 1 | C7,C8,C14,O21 |
| C3O1 | 0.040 | 3 | 2 | C7,C10,C14,O21 |
| C3O1 | 0.040 | 3 | 1 | C7,C10,C14,O17 |
| C3O1 | 0.040 | 3 | 2 | C7,C14,C15,O21 |
| C3O1 | 0.040 | 3 | 2 | C8,C14,C15,O21 |
| C3O1 | 0.040 | 3 | 2 | C8,C12,C16,O19 |
| C3O1 | 0.040 | 3 | 2 | C8,C9,C12,O21 |
| C3O1 | 0.040 | 3 | 2 | C8,C12,C14,O21 |
| C3O1 | 0.040 | 3 | 2 | C8,C12,C16,O21 |
| C3O1 | 0.040 | 3 | 2 | C13,C14,C15,O18 |
| C3O1 | 0.040 | 3 | 2 | C13,C15,C16,O18 |