2-(3,4-DIMETHOXYPHENYL)ETHANOIC ACID; EI-B; MS

Computational Annotation of MS Peaks (CAMP)

Home
Processed databases
Atom-Mass pairs

Submission id: JP007235

Outputs for 2-(3,4-DIMETHOXYPHENYL)ETHANOIC ACID; EI-B; MS

Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP007235
Synonyms: 2-(3,4-DIMETHOXYPHENYL)ETHANOIC ACID, HOMOVERATRIC ACID
Total mass: 196.1994
Formula: H12 C10 O4

Experimental information

MS type: MS
Instrument: HITACHI M-52
Instrument type: EI-B
Ionization: 25 eV
Ionization mode: POSITIVE

CAMP general report:

Acceptable mass threshold: 2.0158
Out of range queried mass peaks:
Replicated queried mass peaks: 43.0, 57.0, 71.0, 78.0, 79.0, 83.0, 91.0, 94.0, 95.0, 106.0, 107.0, 109.0, 136.0, 137.0, 141.0, 143.0, 197.0,
Processing time: 0:00:02.577959

Results for the quried mass "139.0"

Formula	Mass differences	Num. used protons	Num. required extra protons	Atom names
C7O3	0.128	7	0	C2,C3,C5,C6,C7,C9,C10,O11,O12,O14
C7O3	0.128	7	0	C1,C3,C4,C6,C7,C8,C10,O11,O12,O13
C8O2	0.171	11	2	C1,C2,C3,C4,C5,C7,C8,C9,O13,O14
C9O2	0.087	1	0	C1,C2,C3,C4,C5,C6,C7,C8,C9,O13,O14