Metabolomics Structure Database

MDLMOL SDF CSV TSV

MW REGNO:	37912
Common Name:	Acetylcysteine
Systematic Name:	(2R)-2-acetamido-3-sulfanylpropanoic acid
RefMet Name:	N-Acetylcysteine
Synonyms:	[PubChem Synonyms]
Exact Mass:	163.0303 (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:	C5H9NO3S
InChIKey:	PWKSKIMOESPYIA-BYPYZUCNSA-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:	N-acyl-alpha amino acids [C0002402]
Massbank MS spectra:	View MS spectra
NP-MRD NMR spectra:	View NMR spectra
SMILES:	CC(=O)N[C@@H](CS)C(=O)O
Studies:	Available studies (via RefMet name)

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All Database Links Calculated Properties Human Pathways

External database links:

PubChem CID:	12035
CHEBI ID:	28939
HMDB ID:	HMDB0001890
KEGG ID:	C06809
Chemspider ID:	11540
METLIN ID:	784
NP-MRD ID(NMR):	NP0001180
Plant Metabolite Hub(Pmhub):	MS000000433

Calculated physicochemical properties (?):

Heavy Atoms:	10
Rings:	0
Aromatic Rings:	0
Rotatable Bonds:	3
van der Waals Molecular volume:	145.66 Å3 molecule-1
Toplogical Polar Sufrace Area:	66.40 Å2 molecule-1
Hydrogen Bond Donors:	2
Hydrogen Bond Acceptors:	3
logP:	0.08
Molar Refractivity:	40.10
Fraction sp3 Carbons:	0.60
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