Purine; LC-ESI-QQ; MS2; CE:40 V; [M+H]+

Computational Annotation of MS Peaks (CAMP)

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Atom-Mass pairs

Submission id: KO003751

Outputs for Purine; LC-ESI-QQ; MS2; CE:40 V; [M+H]+

Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO003751
Synonyms: Purine
Total mass: 120.1119
Formula: H4 C5 N4

Experimental information

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

CAMP general report:

Acceptable mass threshold: 2.0158
Out of range queried mass peaks: 158.1,
Replicated queried mass peaks: 62.2, 78.9,
Processing time: 0:00:01.864935

Results for the quried mass "69.9"

Formula	Mass differences	Num. used protons	Num. required extra protons	Atom names
C2N3	0.173	4	2	N9,C2,C5,N6,N8
C2N3	0.173	4	2	N9,C3,C5,N7,N8