Processed databases
Atom-Mass pairs
Outputs for Benzocaine; LC-ESI-QFT; MS2; CE: 35 NCE; R=35000; [M+H]+
Database: Critical Assessment of Small Molecule Identification 2016, Mass Spectrometry Society of Japan
Entry ID: SM862301
Synonyms: Benzocaine, Benzocain, ethyl 4-aminobenzoate
Total mass: 165.1887
Formula: H11 C9 O2 N1
Experimental information
MS type: MS2
Instrument: Q Exactive Plus Orbitrap Thermo Scientific
Instrument type: LC-ESI-QFT
Ionization: ESI
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 67.0542, 93.0573, 94.0651,
Processing time: 0:00:02.330818
Results for the quried mass "138.0549"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C9O1N1 | 0.047 | 0 | 0 | C1,C2,C3,C4,C5,C6,C7,C8,C9,N10,O12 |
| C8O2 | 0.108 | 10 | 1 | C1,C2,C3,C4,C5,C6,C7,C9,O11,O12 |
| C7O2N1 | 0.089 | 8 | 2 | C3,C4,C5,C6,C7,C8,C9,N10,O11,O12 |
| C7O2N1 | 0.089 | 8 | 0 | C1,C2,C4,C6,C7,C8,C9,N10,O11,O12 |
| C7O2N1 | 0.089 | 8 | 0 | C1,C2,C3,C5,C7,C8,C9,N10,O11,O12 |