Listing 4825 chemical categories

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Select 'All' to list all the chemical categories. Each character links to a view of all chemical categories whose name begin by it. The asterisk (*) links to a view of all categories whose name start with a special character (e.g. '('). You can search the table for a specific string within that specific view.
NameChemOnt IDDescription
UbiquinolsCHEMONTID:0002231Coenzyme Q derivatives containing a 5, 6-dimethoxy-3-methylbenzene-1,4-diol moiety to which an isoprenyl group is attached at ring position 2(or 6).
UbiquinonesCHEMONTID:0001545Coenzyme Q derivatives containing a 5, 6-dimethoxy-3-methyl(1,4-benzoquinone) moiety to which an isoprenyl group is attached at ring position 2(or 6).
Unsaturated aliphatic hydrocarbonsCHEMONTID:0004476Aliphatic Hydrocarbons that contains one or more unsaturated carbon atoms. These compounds contain one or more double or triple bonds.
Unsaturated fatty acidsCHEMONTID:0000339Fatty acids with a chain that contains at least one CC double bond.
Unsaturated hydrocarbonsCHEMONTID:0004475Hydrocarbons that contains one or more unsaturated carbon atoms. These compounds contain one or more double, triple, or aromatic bonds.
UrazolesCHEMONTID:0003202Organonitrogen compounds containing a 1,3,4-triazolidine ring carrying two C=O groups at positions 2 and 5.
Urea peptoidsCHEMONTID:0001940Peptidomimetics structurally characterized by the presence of n-alkyl urea motifs linked in a repetitive manner.
UreasCHEMONTID:0000517Compounds containing two amine groups joined by a carbonyl (C=O) functional group.
UreidesCHEMONTID:0002022Compounds containing an ureide group with the general structure R1-CO-NH-CO-N(R)2R3, formally derived by the acylation of urea.
Urofuranic acidsCHEMONTID:0001531Fatty acids structurally characterized by the presence of a furanoid ring substituted at the positions 1, 2, 3, and 4 by a short fatty acid chain, a carboxylic acid group, a methyl group, and an alkyl chain, respectively.