| Record Information |
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| Version | 1.0 |
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| Creation date | 2010-04-08 22:06:55 UTC |
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| Update date | 2025-11-18 23:00:32 UTC |
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| Primary ID | FDB005944 |
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| Secondary Accession Numbers | Not Available |
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| Chemical Information |
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| FooDB Name | D-Xylopyranose |
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| Description | D-Xylose, also known as xylose or xylopyranose, belongs to the class of organic compounds known as pentoses. These are monosaccharides in which the carbohydrate moiety contains five carbon atoms. D-Xylose is an extremely weak basic (essentially neutral) compound (based on its pKa). D-Xylose exists in all living species, ranging from bacteria to humans. D-Xylose has been detected, but not quantified in, flaxseeds. This could make D-xylose a potential biomarker for the consumption of these foods. D-Xylose is a potentially toxic compound. |
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| CAS Number | 7261-26-9 |
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| Structure | |
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| Synonyms | | Synonym | Source |
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| (3R,4S,5R)-Tetrahydro-2H-pyran-2,3,4,5-tetrol | ChEBI | | D-(+)-Xylose | ChEBI | | D-Xylopentose | ChEBI | | Wood sugar | ChEBI | | Xylo-pfan | Kegg | | D-Xylo-pentose | HMDB | | Xylomed | HMDB | | Xylose | HMDB | | Xyloside | HMDB | | Xylopyranose | HMDB | | D Xylose | HMDB | | D-Xylopyranose | HMDB | | Aldehydo-D-xylose | HMDB | | D-Xylose | ChEBI |
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| Predicted Properties | |
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| Chemical Formula | C5H10O5 |
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| IUPAC name | (3R,4S,5R)-oxane-2,3,4,5-tetrol |
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| InChI Identifier | InChI=1S/C5H10O5/c6-2-1-10-5(9)4(8)3(2)7/h2-9H,1H2/t2-,3+,4-,5?/m1/s1 |
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| InChI Key | SRBFZHDQGSBBOR-IOVATXLUSA-N |
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| Isomeric SMILES | O[C@@H]1COC(O)[C@H](O)[C@H]1O |
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| Average Molecular Weight | 150.1299 |
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| Monoisotopic Molecular Weight | 150.05282343 |
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| Classification |
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| Description | Belongs to the class of organic compounds known as pentoses. These are monosaccharides in which the carbohydrate moiety contains five carbon atoms. |
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| Kingdom | Organic compounds |
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| Super Class | Organic oxygen compounds |
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| Class | Organooxygen compounds |
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| Sub Class | Carbohydrates and carbohydrate conjugates |
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| Direct Parent | Pentoses |
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| Alternative Parents | |
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| Substituents | - Pentose monosaccharide
- Oxane
- Secondary alcohol
- Hemiacetal
- Oxacycle
- Organoheterocyclic compound
- Polyol
- Hydrocarbon derivative
- Alcohol
- Aliphatic heteromonocyclic compound
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| Molecular Framework | Aliphatic heteromonocyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | Health effect: |
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| Disposition | Route of exposure: Source: Biological location: |
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| Role | Industrial application: |
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| Physico-Chemical Properties |
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| Physico-Chemical Properties - Experimental | | Property | Value | Reference |
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| Physical state | Not Available | |
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| Physical Description | Not Available | |
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| Mass Composition | Not Available | |
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| Melting Point | 90.5 oC | |
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| Boiling Point | Not Available | |
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| Experimental Water Solubility | 555 mg/mL | MERCK INDEX (1996) |
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| Experimental logP | Not Available | |
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| Experimental pKa | 12.1 | |
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| Isoelectric point | Not Available | |
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| Charge | Not Available | |
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| Optical Rotation | Not Available | |
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| Spectroscopic UV Data | Not Available | |
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| Density | Not Available | |
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| Refractive Index | Not Available | |
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| Spectra |
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| Spectra | |
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| EI-MS/GC-MS | | Type | Description | Splash Key | View |
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| GC-MS | D-Xylopyranose, non-derivatized, GC-MS Spectrum | splash10-0udi-0920000000-53943f97f7f99da85d3b | Spectrum | | GC-MS | D-Xylopyranose, non-derivatized, GC-MS Spectrum | splash10-0uxr-0920000000-c093331f073f56253951 | Spectrum | | GC-MS | D-Xylopyranose, non-derivatized, GC-MS Spectrum | splash10-0udi-0920000000-53943f97f7f99da85d3b | Spectrum | | GC-MS | D-Xylopyranose, non-derivatized, GC-MS Spectrum | splash10-0uxr-0920000000-c093331f073f56253951 | Spectrum | | Predicted GC-MS | D-Xylopyranose, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-000x-9400000000-f20d1c35a7eeea1609a5 | Spectrum | | Predicted GC-MS | D-Xylopyranose, 4 TMS, Predicted GC-MS Spectrum - 70eV, Positive | splash10-00g0-9256300000-ae2d57025e3828494249 | Spectrum | | Predicted GC-MS | D-Xylopyranose, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_1_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_1_2, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_1_3, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_1_4, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_2_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_2_2, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_2_3, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_2_4, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_2_5, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_2_6, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_3_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_3_2, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_3_3, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TMS_3_4, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TBDMS_1_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TBDMS_1_2, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TBDMS_1_3, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Xylopyranose, TBDMS_1_4, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum |
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| MS/MS | | Type | Description | Splash Key | View |
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| MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated) | splash10-0udi-2900000000-5a95e26ce7a03eeb4a1c | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated) | splash10-00kr-9200000000-ffce45222cab00a0c302 | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated) | splash10-0udr-5900000000-8d1e329345725c7495d0 | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 35V, Negative | splash10-0c09-9300000000-68bb5f7897018aa0f358 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 35V, Negative | splash10-0a4i-9000000000-f76bfc808747fe9aad84 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 10V, Negative | splash10-0a4i-9000000000-a7b4fd29d3979cb7bf06 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 35V, Negative | splash10-0a4i-9100000000-509fbbf4a256fe9f3700 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 40V, Negative | splash10-0udi-9200000000-7c094cf44853525b1af6 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 20V, Negative | splash10-0a4i-9000000000-b22a8f9c232e806e5c66 | 2021-09-20 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0ue9-0900000000-4856e933b915ddbb0554 | 2017-09-01 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0f89-0900000000-79e8278d7ae6b34a7772 | 2017-09-01 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-08os-9100000000-64c106194d5825a11d36 | 2017-09-01 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0002-1900000000-988a7d2dad8bc555d502 | 2017-09-01 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-000t-2900000000-31127350481e63c82ff7 | 2017-09-01 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0006-9000000000-264c06bc93b8e518bbfb | 2017-09-01 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0gc0-1900000000-e784a3fdca89dcb59c12 | 2021-09-23 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0m4p-9100000000-fc295e2732f55a0a18c1 | 2021-09-23 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0007-9000000000-ba5f29c2c79df8d0956f | 2021-09-23 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0002-7900000000-524214992b29f1ff9b80 | 2021-09-25 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0a4i-9000000000-f758a7d33dac04b06275 | 2021-09-25 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0a4l-9000000000-4b3e154b12c2ee07bf58 | 2021-09-25 | View Spectrum |
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| NMR | | Type | Description | | View |
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| 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, experimental) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 125 MHz, H2O, experimental) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | | Spectrum | | 2D NMR | [1H, 1H]-TOCSY. Unexported temporarily by An Chi on Oct 15, 2021 until json or nmrML file is generated. 2D NMR Spectrum (experimental) | | Spectrum | | 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 400 MHz, H2O, experimental) | | Spectrum |
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| External Links |
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| ChemSpider ID | 119104 |
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| ChEMBL ID | CHEMBL502135 |
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| KEGG Compound ID | C00181 |
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| Pubchem Compound ID | 135191 |
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| Pubchem Substance ID | Not Available |
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| ChEBI ID | 53455 |
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| Phenol-Explorer ID | Not Available |
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| DrugBank ID | Not Available |
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| HMDB ID | HMDB0000098 |
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| CRC / DFC (Dictionary of Food Compounds) ID | Not Available |
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| EAFUS ID | Not Available |
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| Dr. Duke ID | D-XYLOPYRANOSE |
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| BIGG ID | Not Available |
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| KNApSAcK ID | C00007290 |
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| HET ID | Not Available |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | Not Available |
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| Flavornet ID | Not Available |
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| GoodScent ID | Not Available |
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| SuperScent ID | Not Available |
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| Wikipedia ID | Xylose |
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| Phenol-Explorer Metabolite ID | Not Available |
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| Duplicate IDS | Not Available |
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| Old DFC IDS | Not Available |
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| Associated Foods |
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| Food | Content Range | Average | Reference |
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| Food | | | Reference |
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| Biological Effects and Interactions |
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| Health Effects / Bioactivities | Not Available |
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| Enzymes | Not Available |
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| Pathways | Not Available |
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| Metabolism | Not Available |
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| Biosynthesis | Not Available |
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| Organoleptic Properties |
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| Flavours | Not Available |
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| Files |
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| MSDS | Not Available |
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| References |
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| Synthesis Reference | Not Available |
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| General Reference | Not Available |
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| Content Reference | — Duke, James. 'Dr. Duke's Phytochemical and Ethnobotanical Databases. United States Department of Agriculture.' Agricultural Research Service, Accessed April 27 (2004).
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