Processed databases
Atom-Mass pairs
Outputs for Protocatechuic acid; GC-EI-TOF; MS; 3 TMS; BP:73
Database: Plant Science Center, RIKEN
Entry ID: PR010227
Synonyms: Protocatechuic acid, Protocatechuate, 3,4-Dihydroxybenzoate, 3,4-Dihydroxybenzoic acid
Total mass: 154.1199
Formula: H6 C7 O4
Experimental information
MS type: MS
Instrument: Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies
Instrument type: GC-EI-TOF
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks: 157.0,161.0,164.0,167.0,177.0,180.0,191.0,194.0,197.0,205.0,208.0,211.0,221.0,224.0,237.0,251.0,265.0,268.0,279.0,282.0,297.0,310.0,313.0,354.0,357.0,369.0,372.0,
Replicated queried mass peaks: 61.0, 62.0, 64.0, 65.0, 67.0, 70.0, 71.0, 73.0, 74.0, 76.0, 77.0, 79.0, 80.0, 82.0, 83.0, 85.0, 86.0, 88.0, 89.0, 91.0, 92.0, 94.0, 95.0, 97.0, 98.0, 101.0, 103.0, 104.0, 106.0, 107.0, 109.0, 110.0, 112.0, 113.0, 116.0, 117.0, 119.0, 120.0, 122.0, 123.0, 126.0, 129.0, 132.0, 133.0, 135.0, 136.0, 138.0, 139.0, 145.0, 147.0, 148.0, 150.0, 151.0, 153.0, 159.0, 162.0, 163.0, 165.0, 166.0, 178.0, 179.0, 181.0, 192.0, 193.0, 195.0, 196.0, 207.0, 209.0, 210.0, 222.0, 223.0, 225.0, 238.0, 239.0, 266.0, 267.0, 269.0, 280.0, 281.0, 283.0, 311.0, 312.0, 314.0, 355.0, 356.0, 358.0, 370.0, 371.0, 373.0,
Processing time: 0:00:02.262136
Results for the quried mass "143.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C6O4 | 0.117 | 7 | 2 | C2,C3,C4,C5,C6,C7,O8,O9,O10,O11 |
| C6O4 | 0.117 | 7 | 2 | C1,C3,C4,C5,C6,C7,O8,O9,O10,O11 |
| C6O4 | 0.117 | 7 | 2 | C1,C2,C4,C5,C6,C7,O8,O9,O10,O11 |