1.0 2011-09-21 00:10:29 UTC 2015-07-21 06:57:04 UTC FDB022223 L-Threo-2-pentulose Xylulose is a ketopentose - a monosaccharide containing five carbon atoms, and including a ketone functional group. It has chemical formula C5H10O5. In nature it occurs in the L- and D- isomers. L-xylulose accumulates in the urine of pentosuria patients. Since L-xylulose is a reducing sugar like D-glucose, pentosuria patients have been wrongly diagnosed in the past to be diabetic. [HMDB] L-Lyxulose L-threo-Pent-2-ulose L-threo-Pentulose L-Xul L-Xylulose C5H10O5 150.1299 150.05282343 (3R,4S)-1,3,4,5-tetrahydroxypentan-2-one xylulose 527-50-4 OC[C@H](O)[C@@H](O)C(=O)CO InChI=1S/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h3,5-8,10H,1-2H2/t3-,5+/m0/s1 ZAQJHHRNXZUBTE-WVZVXSGGSA-N belongs to the class of organic compounds known as pentoses. These are monosaccharides in which the carbohydrate moiety contains five carbon atoms. Pentoses Organic compounds Organic oxygen compounds Organooxygen compounds Carbohydrates and carbohydrate conjugates Aliphatic acyclic compounds Acyloins Alpha-hydroxy ketones Beta-hydroxy ketones Hydrocarbon derivatives Organic oxides Polyols Primary alcohols Secondary alcohols Acyloin Alcohol Aliphatic acyclic compound Alpha-hydroxy ketone Beta-hydroxy ketone Carbonyl group Hydrocarbon derivative Ketone Organic oxide Pentose monosaccharide Polyol Primary alcohol Secondary alcohol xylulose Solid logp -2.16 ALOGPS logs 0.65 ALOGPS solubility 6.78e+02 g/l ALOGPS logp -2.6 ChemAxon pka_strongest_acidic 10.57 ChemAxon pka_strongest_basic -3 ChemAxon iupac (3R,4S)-1,3,4,5-tetrahydroxypentan-2-one ChemAxon average_mass 150.1299 ChemAxon mono_mass 150.05282343 ChemAxon smiles OC[C@H](O)[C@@H](O)C(=O)CO ChemAxon formula C5H10O5 ChemAxon inchi InChI=1S/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h3,5-8,10H,1-2H2/t3-,5+/m0/s1 ChemAxon inchikey ZAQJHHRNXZUBTE-WVZVXSGGSA-N ChemAxon polar_surface_area 97.99 ChemAxon refractivity 31.6 ChemAxon polarizability 13.5 ChemAxon rotatable_bond_count 4 ChemAxon acceptor_count 5 ChemAxon donor_count 4 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 13703 Specdb::CMs 37743 Specdb::MsMs 29201 Specdb::MsMs 29202 Specdb::MsMs 29203 Specdb::MsMs 35759 Specdb::MsMs 35760 Specdb::MsMs 35761 Specdb::NmrOneD 306351 Specdb::NmrOneD 306352 Specdb::NmrOneD 306353 Specdb::NmrOneD 306354 Specdb::NmrOneD 306355 Specdb::NmrOneD 306356 Specdb::NmrOneD 306357 Specdb::NmrOneD 306358 Specdb::NmrOneD 306359 Specdb::NmrOneD 306360 Specdb::NmrOneD 306361 Specdb::NmrOneD 306362 Specdb::NmrOneD 306363 Specdb::NmrOneD 306364 Specdb::NmrOneD 306365 Specdb::NmrOneD 306366 Specdb::NmrOneD 306367 Specdb::NmrOneD 306368 Specdb::NmrOneD 306369 Specdb::NmrOneD 306370 HMDB00751 17399 #<Reference:0x000055ce318f4670> L-xylulose reductase Q7Z4W1 DCXR