Processed databases
Atom-Mass pairs
Outputs for ETHYL 3-METHYL-5-METHYLPYRROLE-2-CARBOXYLATE; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP011481
Synonyms: ETHYL 3-METHYL-5-METHYLPYRROLE-2-CARBOXYLATE
Total mass: 167.2045
Formula: H13 C9 O2 N1
Experimental information
MS type: MS
Instrument: JEOL JMS-DX-300
Instrument type: EI-B
Ionization: 70 eV
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 39.0, 40.0, 42.0, 43.0, 51.0, 52.0, 54.0, 64.0, 65.0, 67.0, 68.0, 78.0, 92.0, 93.0, 95.0, 96.0, 121.0, 122.0, 139.0, 140.0, 167.0, 168.0,
Processing time: 0:00:02.140624
Results for the quried mass "77.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C4O1N1 | 0.041 | 1 | 0 | C4,C7,C8,C9,N10,O12 |
| C4O1N1 | 0.041 | 1 | 0 | C1,C4,C8,C9,N10,O12 |
| C4O1N1 | 0.041 | 1 | 0 | C4,C6,C8,C9,N10,O12 |
| C4O1N1 | 0.041 | 1 | 0 | C5,C7,C8,C9,N10,O11 |
| C4O1N1 | 0.041 | 1 | 0 | C5,C7,C8,C9,N10,O12 |
| C4O1N1 | 0.041 | 1 | 0 | C5,C6,C8,C9,N10,O11 |
| C4O1N1 | 0.041 | 1 | 0 | C5,C6,C8,C9,N10,O12 |
| C4O1N1 | 0.041 | 1 | 0 | C6,C7,C8,C9,N10,O11 |
| C4O1N1 | 0.041 | 1 | 0 | C6,C7,C8,C9,N10,O12 |
| C4O1N1 | 0.041 | 1 | 0 | C2,C6,C8,C9,N10,O11 |
| C4O1N1 | 0.041 | 1 | 0 | C2,C6,C8,C9,N10,O12 |
| C4O1N1 | 0.041 | 1 | 0 | C3,C7,C8,C9,N10,O11 |
| C4O1N1 | 0.041 | 1 | 0 | C3,C7,C8,C9,N10,O12 |
| C5N1 | 0.084 | 3 | 0 | C2,C3,C5,C6,C7,N10 |
| C5O1 | 0.061 | 1 | 0 | C4,C5,C6,C8,C9,O12 |
| C5O1 | 0.061 | 1 | 0 | C1,C4,C6,C8,C9,O12 |
| C5O1 | 0.061 | 1 | 0 | C5,C6,C7,C8,C9,O11 |
| C5O1 | 0.061 | 1 | 0 | C5,C6,C7,C8,C9,O12 |
| C6 | 0.104 | 5 | 1 | C2,C5,C6,C7,C8,C9 |
| C6 | 0.104 | 5 | 1 | C3,C5,C6,C7,C8,C9 |