Processed databases
Atom-Mass pairs
Outputs for 3,4-Dihydroxyphenylacetic acid; GC-EI-TOF; MS; n TMS; RT:700.387 sec
Database: Engineering department, Osaka Univ.
Entry ID: OUF00044
Synonyms: 3,4-Dihydroxyphenyl Acetic acid, 3,4-Dihydroxyphenylacetic acid
Total mass: 168.1464
Formula: H8 C8 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: 173.0,176.0,179.0,182.0,189.0,192.0,195.0,203.0,206.0,209.0,212.0,219.0,222.0,225.0,233.0,236.0,239.0,249.0,252.0,255.0,265.0,268.0,271.0,281.0,294.0,340.0,343.0,368.0,371.0,383.0,386.0,
Replicated queried mass peaks: 86.0, 87.0, 89.0, 90.0, 92.0, 93.0, 96.0, 97.0, 99.0, 100.0, 102.0, 103.0, 105.0, 106.0, 109.0, 111.0, 115.0, 117.0, 118.0, 120.0, 121.0, 123.0, 131.0, 133.0, 134.0, 136.0, 137.0, 145.0, 147.0, 148.0, 150.0, 151.0, 153.0, 159.0, 161.0, 162.0, 164.0, 165.0, 167.0, 175.0, 177.0, 178.0, 180.0, 181.0, 183.0, 191.0, 193.0, 194.0, 196.0, 197.0, 205.0, 207.0, 208.0, 210.0, 211.0, 220.0, 221.0, 223.0, 224.0, 226.0, 227.0, 235.0, 237.0, 238.0, 240.0, 251.0, 253.0, 254.0, 266.0, 267.0, 269.0, 270.0, 282.0, 283.0, 295.0, 296.0, 341.0, 342.0, 344.0, 369.0, 370.0, 372.0, 384.0, 385.0, 387.0, 388.0,
Processing time: 0:00:01.824745
Results for the quried mass "91.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C5O2 | 0.044 | 1 | 0 | C1,C3,C4,C5,C8,O11,O12 |
| C5O2 | 0.044 | 1 | 0 | C1,C2,C4,C5,C8,O11,O12 |
| C5O2 | 0.044 | 1 | 0 | C1,C2,C3,C6,C7,O9,O10 |