4-Methylbenzoic acid; GC-EI-TOF; MS; n TMS; RT:483.949 sec

Computational Annotation of MS Peaks (CAMP)

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Submission id: OUF00069

Outputs for 4-Methylbenzoic acid; GC-EI-TOF; MS; n TMS; RT:483.949 sec

Database: Engineering department, Osaka Univ.
Entry ID: OUF00069
Synonyms: 4-Methyl Benzoic acid, 4-Methylbenzoic acid
Total mass: 136.1476
Formula: H8 C8 O2

Experimental information

MS type: MS
Instrument: Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies
Instrument type: GC-EI-TOF
Ionization mode: POSITIVE

CAMP general report:

Acceptable mass threshold: 2.0158
Out of range queried mass peaks: 145.0,148.0,151.0,163.0,175.0,178.0,192.0,195.0,207.0,210.0,
Replicated queried mass peaks: 86.0, 87.0, 89.0, 90.0, 92.0, 93.0, 95.0, 96.0, 99.0, 103.0, 104.0, 106.0, 107.0, 117.0, 119.0, 120.0, 122.0, 123.0, 132.0, 133.0, 135.0, 136.0, 146.0, 147.0, 149.0, 150.0, 152.0, 164.0, 165.0, 176.0, 177.0, 179.0, 193.0, 194.0, 196.0, 208.0, 209.0,
Processing time: 0:00:01.120438

Results for the quried mass "85.0"

Formula	Mass differences	Num. used protons	Num. required extra protons	Atom names
C7	0.083	1	0	C1,C2,C3,C4,C5,C6,C7
C4O2	0.081	5	2	C4,C5,C7,C8,O9,O10
C4O2	0.081	5	2	C3,C5,C7,C8,O9,O10
C4O2	0.081	5	2	C2,C4,C7,C8,O9,O10