Processed databases
Atom-Mass pairs
Outputs for 4-HYDROXY-3-METHOXYBENZALDEHYDE; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP000532
Synonyms: 4-HYDROXY-3-METHOXYBENZALDEHYDE, VANILLIN
Total mass: 152.147
Formula: H8 C8 O3
Experimental information
MS type: MS
Instrument: HITACHI M-80
Instrument type: EI-B
Ionization: 20 eV
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 53.0, 67.0, 81.0, 95.0, 109.0, 124.0, 152.0, 153.0,
Processing time: 0:00:01.939909
Results for the quried mass "137.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C7O3 | 0.113 | 5 | 0 | C1,C3,C4,C5,C6,C7,C8,O9,O10,O11 |
| C7O3 | 0.113 | 5 | 0 | C1,C2,C4,C5,C6,C7,C8,O9,O10,O11 |
| C7O3 | 0.113 | 5 | 0 | C1,C2,C3,C5,C6,C7,C8,O9,O10,O11 |
| C7O3 | 0.113 | 5 | 0 | C2,C3,C4,C5,C6,C7,C8,O9,O10,O11 |
| C8O2 | 0.155 | 9 | 1 | C1,C2,C3,C4,C5,C6,C7,C8,O10,O11 |
| C8O2 | 0.155 | 9 | 2 | C1,C2,C3,C4,C5,C6,C7,C8,O9,O11 |