4-HYDROXY-3-METHOXYBENZOIC ACID; EI-B; MS

Computational Annotation of MS Peaks (CAMP)

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Submission id: JP008196

Outputs for 4-HYDROXY-3-METHOXYBENZOIC ACID; EI-B; MS

Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP008196
Synonyms: 4-HYDROXY-3-METHOXYBENZOIC ACID, VANILLIC ACID
Total mass: 168.1464
Formula: H8 C8 O4

Experimental information

MS type: MS
Instrument: HITACHI M-80
Instrument type: EI-B
Ionization: 70 eV
Ionization mode: POSITIVE

CAMP general report:

Acceptable mass threshold: 2.0158
Out of range queried mass peaks:
Replicated queried mass peaks: 41.0, 51.0, 52.0, 55.0, 65.0, 79.0, 81.0, 108.0, 121.0, 125.0, 152.0, 153.0, 169.0, 170.0,
Processing time: 0:00:02.146032

Results for the quried mass "154.0"

Formula	Mass differences	Num. used protons	Num. required extra protons	Atom names
C8O3	0.163	10	2	C1,C2,C3,C4,C5,C6,C7,C8,O9,O11,O12
C7O4	0.120	6	0	C1,C3,C4,C5,C6,C7,C8,O9,O10,O11,O12
C7O4	0.120	6	0	C1,C2,C4,C5,C6,C7,C8,O9,O10,O11,O12
C7O4	0.120	6	0	C1,C2,C3,C5,C6,C7,C8,O9,O10,O11,O12
C7O4	0.120	6	1	C2,C3,C4,C5,C6,C7,C8,O9,O10,O11,O12