Metabolomics Structure Database

MDLMOL SDF CSV TSV

MW REGNO:	43209
Common Name:	Isoniazid
Systematic Name:	pyridine-4-carbohydrazide
RefMet Name:	Isoniazid
Synonyms:	[PubChem Synonyms]
Exact Mass:	137.0589 (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:	C6H7N3O
InChIKey:	QRXWMOHMRWLFEY-UHFFFAOYSA-N
ClassyFire superclass:	Organoheterocyclic compounds [C0000002]
ClassyFire class:	Pyridines and derivatives [C0000089]
ClassyFire subclass:	Pyridinecarboxylic acids and derivatives [C0001322]
ClassyFire direct parent:	Pyridinecarboxylic acids and derivatives [C0001322]
Massbank MS spectra:	View MS spectra
SMILES:	c1cnccc1C(=O)NN
Studies:	Available studies (via RefMet name)

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Calculated physicochemical properties (?):

Heavy Atoms:	10
Rings:	1
Aromatic Rings:	1
Rotatable Bonds:	1
van der Waals Molecular volume:	120.33 Å3 molecule-1
Toplogical Polar Sufrace Area:	68.01 Å2 molecule-1
Hydrogen Bond Donors:	2
Hydrogen Bond Acceptors:	2
logP:	-0.31
Molar Refractivity:	35.89
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