Metabolomics Structure Database

MDLMOL SDF CSV TSV

MW REGNO:	38074
Common Name:	L-Homocysteic acid
Systematic Name:	(2S)-2-amino-4-sulfobutanoic acid
RefMet Name:	Homocysteic acid
Synonyms:	[PubChem Synonyms]
Exact Mass:	183.0201 (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:	C4H9NO5S
InChIKey:	VBOQYPQEPHKASR-VKHMYHEASA-N
ClassyFire superclass:	Organic acids and derivatives [C0000264]
ClassyFire class:	Carboxylic acids and derivatives [C0000265]
ClassyFire subclass:	Amino acids, peptides, and analogues [C0000013]
ClassyFire direct parent:	Alpha amino acids [C0002404]
NP-MRD NMR spectra:	View NMR spectra
SMILES:	C(CS(=O)(=O)O)[C@@H](C(=O)O)N
Studies:	Available studies (via RefMet name)

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All Database Links Calculated Properties Human Pathways

External database links:

PubChem CID:	177491
CHEBI ID:	132223
HMDB ID:	HMDB0002205
KEGG ID:	C16511
Chemspider ID:	154529
METLIN ID:	6545
NP-MRD ID(NMR):	NP0000639
Plant Metabolite Hub(Pmhub):	MS000010771

Calculated physicochemical properties (?):

Heavy Atoms:	11
Rings:	0
Aromatic Rings:	0
Rotatable Bonds:	4
van der Waals Molecular volume:	148.58 Å3 molecule-1
Toplogical Polar Sufrace Area:	117.69 Å2 molecule-1
Hydrogen Bond Donors:	3
Hydrogen Bond Acceptors:	5
logP:	0.50
Molar Refractivity:	37.55
Fraction sp3 Carbons:	0.75
sp3 Carbons:	3

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