Processed databases
Atom-Mass pairs
Outputs for Homogentisic acid; LC-ESI-QQ; MS2; CE:40 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO001079
Synonyms: Homogentisate, 2,5-Dihydroxyphenylacetic acid, 2,5-Dihydroxyphenylacetate, Homogentisic acid
Total mass: 168.1464
Formula: H8 C8 O4
Experimental information
MS type: MS2
Instrument: API3000, Applied Biosystems
Instrument type: LC-ESI-QQ
Ionization mode: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 67.4, 79.9, 122.1, 122.9,
Processing time: 0:00:01.236375
Results for the quried mass "65.5"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C4O1 | 0.450 | 1 | 0 | C3,C4,C5,C6,O9 |
| C4O1 | 0.450 | 1 | 0 | C4,C5,C7,C8,O11 |
| C4O1 | 0.450 | 1 | 0 | C4,C5,C7,C8,O12 |
| C4O1 | 0.450 | 1 | 0 | C4,C5,C7,C8,O10 |
| C4O1 | 0.450 | 1 | 0 | C3,C5,C6,C7,O10 |
| C4O1 | 0.450 | 1 | 0 | C3,C5,C6,C7,O9 |
| C4O1 | 0.450 | 1 | 0 | C1,C2,C6,C7,O10 |
| C4O1 | 0.450 | 1 | 0 | C1,C2,C6,C7,O9 |
| C4O1 | 0.450 | 1 | 0 | C1,C2,C5,C7,O10 |
| C4O1 | 0.450 | 1 | 0 | C1,C3,C5,C6,O9 |
| C4O1 | 0.450 | 1 | 0 | C1,C2,C3,C6,O9 |
| C4O1 | 0.450 | 1 | 0 | C2,C3,C5,C7,O10 |
| C4O1 | 0.450 | 1 | 0 | C2,C4,C5,C7,O10 |
| C4O1 | 0.450 | 1 | 0 | C3,C4,C5,C8,O11 |
| C4O1 | 0.450 | 1 | 0 | C3,C4,C5,C8,O12 |
| C4O1 | 0.450 | 1 | 0 | C3,C4,C5,C7,O10 |
| C5 | 0.407 | 5 | 1 | C1,C2,C4,C5,C7 |
| C5 | 0.407 | 5 | 1 | C1,C3,C4,C5,C6 |
| C5 | 0.407 | 5 | 1 | C2,C3,C4,C5,C7 |