Record Information |
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Version | 2.0 |
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Created at | 2022-04-28 22:46:56 UTC |
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Updated at | 2025-02-11 15:48:26 UTC |
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NP-MRD ID | NP0077652 |
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Natural Product DOI | https://doi.org/10.57994/2826 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | Kojic acid |
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Description | Kojic acid, also known as acido kojico or kojisaeure, belongs to the class of organic compounds known as pyranones and derivatives. Pyranones and derivatives are compounds containing a pyran ring which bears a ketone. Kojic acid is an extremely weak basic (essentially neutral) compound (based on its pKa). Kojic acid is found in Aspergillus oryzae, Aspergillus terricola, Glycine max , Marrubium cylleneum and Taxus mairei . Kojic acid was first documented in 1999 (PMID: 10466431). Kojic acid is a potentially toxic compound (PMID: 11534762) (PMID: 16198580). |
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Structure | InChI=1S/C6H6O4/c7-2-4-1-5(8)6(9)3-10-4/h1,3,7,9H,2H2 |
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Synonyms | Value | Source |
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5-Hydroxy-2-(hydroxymethyl)-4-pyrone | ChEBI | 5-Hydroxy-2-hydroxymethyl-4-pyrone | ChEBI | Acido kojico | ChEBI | Kojisaeure | ChEBI | Kojate | Generator | 2-(Hydroxymethyl)-5-hydroxy-4H-pyran-4-one | HMDB | 2-Hydroxymethyl-5-hydroxy-gamma-pyrone | HMDB | 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one | HMDB | 5-Hydroxy-2-(hydroxymethyl)pyran-4-one | HMDB | 5-Hydroxy-2-hydroxymethyl-4H-4-pyranone | HMDB | KOJ | HMDB | Pyran-4-one, 5-hydroxy-2-(hydroxymethyl) | HMDB | Kojyl-appa | HMDB | 5-((3-Aminopropyl)phosphinooxy)-2-(hydroxymethyl)-4H-pyran-4-one | HMDB |
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Chemical Formula | C6H6O4 |
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Average Mass | 142.1094 Da |
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Monoisotopic Mass | 142.02661 Da |
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IUPAC Name | 5-hydroxy-2-(hydroxymethyl)-4H-pyran-4-one |
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Traditional Name | kojic acid |
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CAS Registry Number | Not Available |
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SMILES | OCC1=CC(=O)C(O)=CO1 |
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InChI Identifier | InChI=1S/C6H6O4/c7-2-4-1-5(8)6(9)3-10-4/h1,3,7,9H,2H2 |
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InChI Key | BEJNERDRQOWKJM-UHFFFAOYSA-N |
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Experimental Spectra |
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| Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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COSY NMR | [1H, 1H] NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-14 | View Spectrum | HSQC NMR | [1H, 13C] NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-14 | View Spectrum | HMBC NMR | [1H, 13C] NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-14 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, CD3OD, experimental) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-14 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, CD3OD, experimental) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-14 | View Spectrum |
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Predicted Spectra |
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| Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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1D NMR | 13C NMR Spectrum (1D, 25 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
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Chemical Shift Submissions |
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| Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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1D NMR | 1H NMR Spectrum (1D, 600.133705802, CD3OD, simulated) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-14 | View Spectrum |
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Species |
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Species of Origin | |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as pyranones and derivatives. Pyranones and derivatives are compounds containing a pyran ring which bears a ketone. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Pyrans |
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Sub Class | Pyranones and derivatives |
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Direct Parent | Pyranones and derivatives |
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Alternative Parents | |
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Substituents | - Pyranone
- Heteroaromatic compound
- Cyclic ketone
- Oxacycle
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Aromatic alcohol
- Primary alcohol
- Organooxygen compound
- Alcohol
- Aromatic heteromonocyclic compound
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Molecular Framework | Aromatic heteromonocyclic compounds |
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External Descriptors | |
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Physical Properties |
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State | Not Available |
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Experimental Properties | Property | Value | Reference |
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Melting Point | Not Available | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Predicted Properties | |
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