Metabolomics Structure Database

MDLMOL SDF CSV TSV

MW REGNO:	71926
Common Name:	2,5-dihydroxypyrazine
Systematic Name:	5-hydroxy-1H-pyrazin-2-one
RefMet Name:	2,5-Dihydroxypyrazine
Synonyms:	[PubChem Synonyms]
Exact Mass:	112.0270 (neutral)    Calculate m/z: (Choose adduct) [M+H]+ [M+H-H2O]+ [M.]+ [M+2H]2+ [M+3H]3+ [M+4H]4+ [M+K]+ [M+2K]2+ [M-H+2K]+ [M+Na]+ [M+2Na]2+ [M-H+2Na]+ [M+Li]+ [M+2Li]2+ [M+NH4]+ [M-H]- [M-2H]2- [M-3H]3- [M-4H]4- [M+Cl]- [M+OAc]- [M+HCOO]- M(neutral)
Formula:	C4H4N2O2
InChIKey:	USHRADXTTYICIJ-UHFFFAOYSA-N
ClassyFire superclass:	Organoheterocyclic compounds [C0000002]
ClassyFire class:	Diazines [C0001346]
ClassyFire subclass:	Pyrazines [C0000067]
ClassyFire direct parent:	Pyrazines [C0000067]
SMILES:	c1c(ncc(=O)[nH]1)O
Studies:	Available studies (via RefMet name)

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External database links:

PubChem CID:	23368901
CHEBI ID:	144044

Calculated physicochemical properties (?):

Heavy Atoms:	8
Rings:	1
Aromatic Rings:	1
Rotatable Bonds:	0
van der Waals Molecular volume:	86.16 Å3 molecule-1
Toplogical Polar Sufrace Area:	65.98 Å2 molecule-1
Hydrogen Bond Donors:	2
Hydrogen Bond Acceptors:	3
logP:	0.22
Molar Refractivity:	26.56
Fraction sp3 Carbons:	0.00
sp3 Carbons:	0

References

LIPID MAPS classification: "Update of the LIPID MAPS comprehensive classification system for lipids", Fahy E, Subramaniam S, Murphy RC, Nishijima M, Raetz CR, Shimizu T, Spener F, van Meer G, Wakelam MJ, and Dennis EA, J. Lipid Res. (2009) 50: S9-S14. DOI: 10.1194/jlr.R800095-JLR200
ClassyFire classification: "ClassyFire: automated chemical classification with a comprehensive, computable taxonomy", Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS, J. Cheminformatics (2016) 8:61. DOI: 10.1186/s13321-016-0174-y