1.0 2010-04-08 22:06:55 UTC 2025-11-18 23:00:34 UTC FDB005965 Pentoses A pentose is a monosaccharide with five carbon atoms. Pentoses are organized into two groups. Aldopentoses have an aldehyde functional group at position 1. Ketopentoses have a ketone functional group in position 2 or 3. Pentoses is found in flaxseed and cocoa bean. Pentose C5H10O5 150.1299 150.05282343 2,3,4,5-tetrahydroxypentanal (+)-xylose OCC(O)C(O)C(O)C=O InChI=1S/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h1,3-5,7-10H,2H2 PYMYPHUHKUWMLA-UHFFFAOYSA-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 Alpha-hydroxyaldehydes Beta-hydroxy aldehydes Hydrocarbon derivatives Organic oxides Polyols Primary alcohols Secondary alcohols Short-chain aldehydes Alcohol Aldehyde Aliphatic acyclic compound Alpha-hydroxyaldehyde Beta-hydroxy aldehyde Carbonyl group Hydrocarbon derivative Organic oxide Pentose monosaccharide Polyol Primary alcohol Secondary alcohol Short-chain aldehyde a D-pentose logp -2.28 ALOGPS logs 0.40 ALOGPS solubility 3.80e+02 g/l ALOGPS logp -2.9 ChemAxon pka_strongest_acidic 11.87 ChemAxon pka_strongest_basic -3 ChemAxon iupac 2,3,4,5-tetrahydroxypentanal ChemAxon average_mass 150.1299 ChemAxon mono_mass 150.05282343 ChemAxon smiles OCC(O)C(O)C(O)C=O ChemAxon formula C5H10O5 ChemAxon inchi InChI=1S/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h1,3-5,7-10H,2H2 ChemAxon inchikey PYMYPHUHKUWMLA-UHFFFAOYSA-N ChemAxon polar_surface_area 97.99 ChemAxon refractivity 31.38 ChemAxon polarizability 13.45 ChemAxon rotatable_bond_count 4 ChemAxon acceptor_count 5 ChemAxon donor_count 4 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 104661 Specdb::CMs 116668 Specdb::CMs 128802 Specdb::MsMs 53784 Specdb::MsMs 53785 Specdb::MsMs 53786 Specdb::MsMs 167001 Specdb::MsMs 167002 Specdb::MsMs 167003 Specdb::MsMs 3390277 Specdb::MsMs 3390278 Specdb::MsMs 3390279 Specdb::MsMs 3391108 Specdb::MsMs 3391109 Specdb::MsMs 3391110 Specdb::NmrOneD 180461 Specdb::NmrOneD 180462 Specdb::NmrOneD 180463 Specdb::NmrOneD 180464 Specdb::NmrOneD 180465 Specdb::NmrOneD 180466 Specdb::NmrOneD 180467 Specdb::NmrOneD 180468 Specdb::NmrOneD 180469 Specdb::NmrOneD 180470 Specdb::NmrOneD 180471 Specdb::NmrOneD 180472 Specdb::NmrOneD 180473 Specdb::NmrOneD 180474 Specdb::NmrOneD 180475 Specdb::NmrOneD 180476 Specdb::NmrOneD 180477 Specdb::NmrOneD 180478 Specdb::NmrOneD 180479 Specdb::NmrOneD 180480 25901 Cocoa bean Type 1 specific Theobroma cacao 3641 Flaxseed Type 1 specific Linum usitatissimum 4006 449.35 449.35 449.35 mg/100 g