4-Methylbenzoic acid; LC-ESI-QQ; MS2; CE:30 V; [M-H]-

Computational Annotation of MS Peaks (CAMP)

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Submission id: KO001350

Outputs for 4-Methylbenzoic acid; LC-ESI-QQ; MS2; CE:30 V; [M-H]-

Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO001350
Synonyms: 4-Methylbenzoate, Toluenecarboxylic acid, 4-Methylbenzoic acid, Toluate, Crithminic acid, p-Toluic acid, p-Toluate
Total mass: 136.1476
Formula: H8 C8 O2

Experimental information

MS type: MS2
Instrument: API3000, Applied Biosystems
Instrument type: LC-ESI-QQ
Ionization mode: NEGATIVE

CAMP general report:

Acceptable mass threshold: 2.0158
Out of range queried mass peaks:
Replicated queried mass peaks: 92.2, 107.0, 134.9,
Processing time: 0:00:00.783118

Results for the quried mass "133.9"

Formula	Mass differences	Num. used protons	Num. required extra protons	Atom names
C8O2	0.232	6	0	C1,C2,C3,C4,C5,C6,C7,C8,O9,O10