Processed databases
Atom-Mass pairs
Outputs for Pyrrole 2-carboxylic acid; LC-ESI-QQ; MS2; CE:40 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO001718
Synonyms: Pyrrole 2-carboxylate, Pyrrole-2-carboxylate, Pyrrole 2-carboxylic acid
Total mass: 111.0985
Formula: H5 C5 O2 N1
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: 40.0,
Processing time: 0:00:01.198259
Results for the quried mass "39.4"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C3 | 0.344 | 3 | 0 | C1,C2,C3 |
| C3 | 0.344 | 3 | 1 | C1,C2,C4 |
| C2N1 | 0.364 | 1 | 0 | C2,C4,N6 |
| C2N1 | 0.364 | 1 | 0 | C3,C4,N6 |
| C2N1 | 0.364 | 1 | 0 | C4,C5,N6 |
| C2N1 | 0.364 | 1 | 0 | C1,C3,N6 |
| C2O1 | 0.387 | 1 | 0 | C4,C5,O7 |
| C2O1 | 0.387 | 1 | 1 | C4,C5,O8 |