| Record Information |
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| Version | 2.0 |
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| Created at | 2022-05-11 16:27:16 UTC |
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| Updated at | 2024-09-03 04:18:55 UTC |
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| NP-MRD ID | NP0086655 |
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| Natural Product DOI | https://doi.org/10.57994/1563 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | p-Hydroxymandelic acid |
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| Description | P-Hydroxymandelic acid, also known as 4-hydroxymandelate or 4-hydroxyphenylglycolate, belongs to the class of organic compounds known as 1-hydroxy-2-unsubstituted benzenoids. These are phenols that are unsubstituted at the 2-position. p-Hydroxymandelic acid was first documented in 1979 (PMID: 487594). P-Hydroxymandelic acid is an extremely weak basic (essentially neutral) compound (based on its pKa) (PMID: 3706738) (PMID: 3091293). |
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| Structure | InChI=1S/C8H8O4/c9-6-3-1-5(2-4-6)7(10)8(11)12/h1-4,7,9-10H,(H,11,12) |
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| Synonyms | | Value | Source |
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| 4-Hydroxyphenylglycolic acid | ChEBI | | 4-Hydroxymandelic acid | Kegg | | 4-Hydroxyphenylglycolate | Generator | | 4-Hydroxymandelate | Generator | | p-Hydroxymandelate | Generator | | (+/-)-alpha,4-dihydroxy-benzeneacetate | HMDB | | (+/-)-alpha,4-dihydroxy-benzeneacetic acid | HMDB | | (R)-4-Hydroxymandelate | HMDB | | (RS)-p-Hydroxymandelate | HMDB | | (RS)-p-Hydroxymandelic acid | HMDB | | (S)-4-Hydroxymandelate | HMDB | | 2-(4-Hydroxyphenyl)-2-hydroxyacetate | HMDB | | 2-(4-Hydroxyphenyl)-2-hydroxyacetic acid | HMDB | | 3-Dimethylallyl-4-hydroxymandelate | HMDB | | 3-Dimethylallyl-4-hydroxymandelic acid | HMDB | | 4-Hydroxy-DL-mandelate | HMDB | | 4-Hydroxy-DL-mandelic acid | HMDB | | alpha,4-Dihydroxy-benzeneacetate | HMDB | | alpha,4-Dihydroxy-benzeneacetic acid | HMDB | | alpha,4-Dihydroxybenzeneacetate | HMDB | | alpha,4-Dihydroxybenzeneacetic acid | HMDB | | D-4-Hydroxymandelate | HMDB | | D-p-Hydroxymandelate | HMDB | | delta-4-Hydroxymandelate | HMDB | | delta-p-Hydroxymandelate | HMDB | | DL-4-Hydroxymandelate | HMDB | | DL-4-Hydroxymandelic acid | HMDB | | DL-p-Hydroxymandelate | HMDB | | DL-p-Hydroxymandelic acid | HMDB | | DL-p-Hydroxyphenylglycolate | HMDB | | DL-p-Hydroxyphenylglycolic acid | HMDB | | Hydroxy(4-hydroxyphenyl)acetate | HMDB | | Hydroxy(4-hydroxyphenyl)acetic acid | HMDB | | L-4-Hydroxymandelate | HMDB | | L-p-Hydroxymandelate | HMDB | | p-Hydroxy-mandelate | HMDB | | p-Hydroxy-mandelic acid | HMDB | | p-Hydroxyphenylglycolate | HMDB | | p-Hydroxyphenylglycolic acid | HMDB | | Para-hydroxymandelic acid | HMDB | | 4-Hydroxymandelic acid, (D)-isomer | HMDB | | Pisolithin b | HMDB | | 2-Hydroxy-2-(4'-hydroxyphenyl)acetic acid | | | (4-Hydroxyphenyl)-2-hydroxyacetic acid | | | (4-Hydroxyphenyl)-2-hydroxyethanoic acid | | | 2-Hydroxy-2-(4'-hydroxyphenyl)ethanoic acid | | | 4-Hydroxy-D-mandelic acid | | | 4-Hydroxy-L-mandelic acid | | | 4'-Hydroxymandelic acid | |
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| Chemical Formula | C8H8O4 |
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| Average Mass | 168.1467 Da |
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| Monoisotopic Mass | 168.04226 Da |
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| IUPAC Name | 2-hydroxy-2-(4-hydroxyphenyl)acetic acid |
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| Traditional Name | 4-hydroxymandelic acid |
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| CAS Registry Number | Not Available |
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| SMILES | OC(C(O)=O)C1=CC=C(O)C=C1 |
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| InChI Identifier | InChI=1S/C8H8O4/c9-6-3-1-5(2-4-6)7(10)8(11)12/h1-4,7,9-10H,(H,11,12) |
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| InChI Key | YHXHKYRQLYQUIH-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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| HSQC NMR | [1H, 13C] NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | Not Available | Sumner lab, University of Missouri | Zach Tretter | 2024-01-10 | View Spectrum | | HMBC NMR | [1H, 13C] NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | Not Available | Sumner lab, University of Missouri | Zach Tretter | 2024-01-10 | View Spectrum | | COSY NMR | [1H, 1H] NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | Not Available | Sumner lab, University of Missouri | Zach Tretter | 2024-01-10 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, CD3OD, experimental) | Not Available | Sumner lab, University of Missouri | Zach Tretter | 2024-01-10 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, CD3OD, experimental) | Not Available | Sumner lab, University of Missouri | Zach Tretter | 2024-01-10 | View Spectrum |
| | 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 |
| | Chemical Shift Submissions |
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| Not Available | | 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 1-hydroxy-2-unsubstituted benzenoids. These are phenols that are unsubstituted at the 2-position. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Phenols |
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| Sub Class | 1-hydroxy-2-unsubstituted benzenoids |
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| Direct Parent | 1-hydroxy-2-unsubstituted benzenoids |
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| Alternative Parents | |
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| Substituents | - 1-hydroxy-2-unsubstituted benzenoid
- Alpha-hydroxy acid
- Monocyclic benzene moiety
- Hydroxy acid
- Secondary alcohol
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Alcohol
- Organooxygen compound
- Aromatic alcohol
- Hydrocarbon derivative
- Carbonyl group
- Organic oxide
- Organic oxygen compound
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic 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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