ISOBUTYRIC ACID; EI-B; MS

Computational Annotation of MS Peaks (CAMP)

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Atom-Mass pairs

Submission id: JP004280

Outputs for ISOBUTYRIC ACID; EI-B; MS

Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP004280
Synonyms: ISOBUTYRIC ACID
Total mass: 88.1048
Formula: H8 C4 O2

Experimental information

MS type: MS
Instrument: HITACHI RMU-7M
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: 28.0, 29.0, 41.0, 43.0, 44.0, 73.0,
Processing time: 0:00:01.165563

Results for the quried mass "71.0"

Formula	Mass differences	Num. used protons	Num. required extra protons	Atom names
C3O2	0.055	3	0	C2,C3,C4,O5,O6
C3O2	0.055	3	0	C1,C3,C4,O5,O6
C4O1	0.097	7	0	C1,C2,C3,C4,O6
C4O1	0.097	7	0	C1,C2,C3,C4,O5