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GNPS Library Spectrum CCMSLIB00000004249

Ions:

a 1⁺ 2⁺ 3⁺
b 1⁺ 2⁺ 3⁺
c 1⁺ 2⁺ 3⁺
x 1⁺ 2⁺ 3⁺
y 1⁺ 2⁺ 3⁺
z 1⁺ 2⁺ 3⁺
[Deselect All]

Neutral Loss:

NH₃ (*)
H₂O (o)
H₃PO₄ (p)

Immonium ions
Reporter ions

Mass Type:
Mono Avg

Mass Tol:
Th ppm

Peak Assignment:
Most Intense
Nearest Match
Peak Detect

Peak Labels:
Ionm/z
None

Width: 935

Height: 600

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Click and drag in the plot to zoom X: Y: Enable tooltip Plot mass error

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Th

Latest Library Spectrum Information

Spectrum ID	CCMSLIB00000004249
Compound Name	Methylprednisolone
PI	Sirenas
Data Collector	Ed Esquenazi
CAS Number	N/A
Original Submitter	mwang87
Most Recent Revisor	kimkami2
Library Quality	Bronze Spectrum
Smiles	C[C@H]1C[C@H]2[C@@H]3CC[C@@]([C@]3(C[C@@H]([C@@H]2[C@@]4(C1=CC(=O)C=C4)C)O)C)(C(=O)CO)O
InChI	InChI=1S/C22H30O5/c1-12-8-14-15-5-7-22(27,18(26)11-23)21(15,3)10-17(25)19(14)20(2)6-4-13(24)9-16(12)20/h4,6,9,12,14-15,17,19,23,25,27H,5,7-8,10-11H2,1-3H3/t12-,14-,15-,17-,19+,20-,21-,22-/m0/s1
Structure
NPAtlas/MIBiG
External Chemical Resources	View All External Resources
Metabolomics Spectrum Resolver	mzspec:GNPS:GNPS-SELLECKCHEM-FDA-PART1:accession:CCMSLIB00000004249
Precursor M/Z	375.217
Exact Mass	374.209
Charge	1
Adduct	M+H
Ion Source	LC-ESI
Instrument	qTof
Ion Mode	Positive
Spectrum Provenance Input File	Download Provenance File
Download Library Spectrum Peaks	Download Spectrum Peaks
Library Membership	GNPS-SELLECKCHEM-FDA-PART1
SPLASH Key	splash10-0gw0-0982000000-22acbb57c249df7d5ce2
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Spectrum Tags

	Type	Description	Database	URL	URL	Remove Tag
Datasets ID Hits 1 ~ 0 out of 0 Go to Select columns
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Spectrum Annotation History

	Comment	Compound Name	PI	Adduct	Data_Collector	Precursor_MZ	user_id	Pubmed ID	Time
Spectrum Annotations and Comments Hits 1 ~ 2 out of 2 Go to Select columns
checked only
1	Comment	Methylprednisolone	Sirenas	M+H	Ed Esquenazi	375.217	kimkami2	N/A	2021-03-18 20:17:48.0

2	Comment	Methylprednisolone	Sirenas	M+H	Ed Esquenazi	375.217	mwang87	N/A	2014-02-06 15:58:45.0

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