Metabolomics Structure Database

MDLMOL SDF CSV TSV

MW REGNO:	51014
Common Name:	D-Lactose
Systematic Name:	beta-D-galactopyranosyl-(1->4)-D-glucopyranose
RefMet Name:	Lactose
Synonyms:	(+)-lactose; (Gal)1 (Glc)1; 1-beta-D-Galactopyranosyl-4-D-glucopyranose; 4-(beta-D-galactosido)-D-glucose; 4-O-beta-D-galactopyranosyl-D-glucose; D-lactose; Galbeta1-4-Glc; Lac; Laktobiose; Laktose; Milchzucker; beta-D-Galp-(1->4)-D-Glcp; beta-Gal1,4-Glc; lactobiose; lactose; milk sugar [PubChem Synonyms]
Exact Mass:	342.1162 (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:	C12H22O11
InChIKey:	GUBGYTABKSRVRQ-QKKXKWKRSA-N
ClassyFire superclass:	Organic oxygen compounds [C0004603]
ClassyFire class:	Organooxygen compounds [C0000323]
ClassyFire subclass:	Carbohydrates and carbohydrate conjugates [C0000011]
ClassyFire direct parent:	O-glycosyl compounds [C0002207]
SMILES:	C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]1[C@@H](CO)OC([C@@H]([C@H]1O)O)O)O)O)O)O
Studies:	Available studies (via RefMet name)

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All Database Links Calculated Properties Human Pathways

External database links:

PubChem CID:	440995
CHEBI ID:	17716
HMDB ID:	HMDB0000186
KEGG ID:	C00243

Calculated physicochemical properties (?):

Heavy Atoms:	23
Rings:	2
Aromatic Rings:	0
Rotatable Bonds:	4
van der Waals Molecular volume:	288.13 Å3 molecule-1
Toplogical Polar Sufrace Area:	193.67 Å2 molecule-1
Hydrogen Bond Donors:	8
Hydrogen Bond Acceptors:	11
logP:	-1.96
Molar Refractivity:	74.72
Fraction sp3 Carbons:	1.00
sp3 Carbons:	12

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