Processed databases
Atom-Mass pairs
Outputs for 4-Hydroxy-3-methoxybenzoic acid; LC-ESI-QQ; MS2; CE:40 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO001153
Synonyms: 4-Hydroxy-3-methoxybenzoate, 4-Hydroxy-3-methoxybenzoic acid, Vanillate
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:
Processing time: 0:00:01.825476
Results for the quried mass "40.8"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2O1 | 0.229 | 1 | 0 | C3,C6,O9 |
| C2O1 | 0.229 | 1 | 0 | C4,C7,O12 |
| C2O1 | 0.229 | 1 | 1 | C5,C8,O10 |
| C2O1 | 0.229 | 1 | 0 | C5,C8,O11 |
| C2O1 | 0.229 | 1 | 1 | C6,C7,O12 |
| C2O1 | 0.229 | 1 | 0 | C6,C7,O9 |