Processed databases
Atom-Mass pairs
Outputs for COUMARIN; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP009576
Synonyms: COUMARIN
Total mass: 146.1425
Formula: H6 C9 O2
Experimental information
MS type: MS
Instrument: JEOL JMS-AX-505-H
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: 27.0, 28.0, 31.0, 38.0, 39.0, 44.0, 45.0, 50.0, 51.0, 53.0, 61.0, 63.0, 64.0, 74.0, 75.0, 86.0, 87.0, 89.0, 90.0, 92.0, 119.0, 147.0,
Processing time: 0:00:02.306982
Results for the quried mass "26.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C1O1 | 0.006 | 2 | 2 | C8,O11 |
| C1O1 | 0.006 | 2 | 2 | C9,O10 |
| C1O1 | 0.006 | 2 | 2 | C9,O11 |
| C2 | 0.037 | 2 | 0 | C1,C2 |
| C2 | 0.037 | 2 | 0 | C1,C3 |
| C2 | 0.037 | 2 | 0 | C2,C4 |
| C2 | 0.037 | 2 | 1 | C3,C7 |
| C2 | 0.037 | 2 | 1 | C4,C8 |
| C2 | 0.037 | 2 | 0 | C5,C6 |
| C2 | 0.037 | 2 | 1 | C5,C7 |
| C2 | 0.037 | 2 | 1 | C6,C9 |
| C2 | 0.037 | 2 | 2 | C7,C8 |