| Record Information |
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| Version | 2.0 |
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| Created at | 2006-05-22 14:17:33 UTC |
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| Updated at | 2024-09-17 15:45:45 UTC |
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| NP-MRD ID | NP0001246 |
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| Natural Product DOI | https://doi.org/10.57994/0881 |
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| Secondary Accession Numbers | |
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| Natural Product Identification |
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| Common Name | 4-Hydroxycinnamic acid |
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| Description | 4-Hydroxycinnamic acid, also known as p-Coumaric acid, is a coumaric acid in which the hydroxy substituent is located at C-4 of the phenyl ring. It has a role as a plant metabolite. It is a conjugate acid of a 4-coumarate. P-coumaric acid is an organic compound that is a hydroxy derivative of cinnamic acid. There are three isomers of coumaric acid: O-coumaric acid, m-coumaric acid, and p-coumaric acid, that differ by the position of the hydroxy substitution of the phenyl group. P-Coumaric acid is the most abundant isomer of the three in nature. P-Coumaric acid exists in two forms trans-p-coumaric acid and cis-p-coumaric acid. It is a crystalline solid that is slightly soluble in water, but very soluble in ethanol and diethyl ether. 4-Hydroxycinnamic acid belongs to the class of organic compounds known as hydroxycinnamic acids. Hydroxycinnamic acids are compounds containing an cinnamic acid where the benzene ring is hydroxylated. 4-Hydroxycinnamic acid exists in all living species, ranging from bacteria to humans. Outside of the human body, 4-Hydroxycinnamic acid is found, on average, in the highest concentration within a few different foods, such as pepper (Capsicum frutescens), pineapples, and sunflowers and in a lower concentration in spinachs, kiwis, and sweet oranges. 4-Hydroxycinnamic acid has also been detected, but not quantified in several different foods, such as wild rices, soursops, garden onions, hyssops, and avocado. |
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| Structure | OC(=O)\C=C\C1=CC=C(O)C=C1 InChI=1S/C9H8O3/c10-8-4-1-7(2-5-8)3-6-9(11)12/h1-6,10H,(H,11,12)/b6-3+ |
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| Synonyms | | Value | Source |
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| (2E)-3-(4-Hydroxyphenyl)acrylic acid | ChEBI | | (e)-3-(4-Hydroxyphenyl)-2-propenoic acid | ChEBI | | (e)-p-Coumaric acid | ChEBI | | (e)-p-Hydroxycinnamic acid | ChEBI | | 4'-HYDROXYCINNAMIC ACID | ChEBI | | Naringeninic acid | ChEBI | | p-Coumaric acid | ChEBI | | trans-4-Hydroxycinnamic acid | ChEBI | | trans-p-Coumaric acid | ChEBI | | trans-p-Coumarinic acid | ChEBI | | trans-p-Hydroxycinnamate | ChEBI | | trans-p-Hydroxycinnamic acid | ChEBI | | trans-4-Hydroxycinnamate | Kegg | | 4-Hydroxycinnamate | Kegg | | (2E)-3-(4-Hydroxyphenyl)acrylate | Generator | | (e)-3-(4-Hydroxyphenyl)-2-propenoate | Generator | | (e)-p-Coumarate | Generator | | (e)-p-Hydroxycinnamate | Generator | | 4'-HYDROXYCINNAMate | Generator | | Naringeninate | Generator | | p-Coumarate | Generator | | trans-p-Coumarate | Generator | | trans-p-Coumarinate | Generator | | trans-4-Coumarate | HMDB | | 3-(4-Hydroxyphenyl)-2-propenoate | HMDB | | 3-(4-Hydroxyphenyl)-2-propenoic acid | HMDB | | 3-(4-Hydroxyphenyl)acrylate | HMDB | | 3-(4-Hydroxyphenyl)acrylic acid | HMDB | | 4-Coumarate | HMDB | | 4-Hydroxy cinnamate | HMDB | | 4-Hydroxy cinnamic acid | HMDB | | 4-Hydroxyphenylpropenoate | HMDB | | 4-Hydroxyphenylpropenoic acid | HMDB | | b-[4-Hydroxyphenyl]acrylate | HMDB | | b-[4-Hydroxyphenyl]acrylic acid | HMDB | | beta-[4-Hydroxyphenyl]acrylate | HMDB | | beta-[4-Hydroxyphenyl]acrylic acid | HMDB | | cis-p-Coumarate | HMDB | | Hydroxycinnamate | HMDB | | Hydroxycinnamic acid | HMDB | | p-Cumarate | HMDB | | p-Cumaric acid | HMDB | | p-Hydroxycinnamate | HMDB | | p-Hydroxycinnamic acid | HMDB | | p-Hydroxyphenylacrylate | HMDB | | p-Hydroxyphenylacrylic acid | HMDB | | Para coumarate | HMDB | | Para coumaric acid | HMDB | | Para-coumarate | HMDB | | Para-coumaric acid | HMDB | | 4-Coumaric acid, (Z)-isomer | HMDB | | 4-Coumaric acid, disodium salt | HMDB | | 4-Coumaric acid, (e)-isomer | HMDB | | p-Coumaryl alcohol | HMDB | | trans-3-(4'-Hydroxyphenyl)-2-propenoic acid | HMDB | | trans-HPPA | HMDB | | (2E)-3-(4-Hydroxyphenyl)-2-propenoic acid | HMDB | | (2E)-3-(4-Hydroxyphenyl)prop-2-enoic acid | HMDB | | (e)-3-(4-Hydroxyphenyl)acrylic acid | HMDB | | (e)-4-Hydroxycinnamic acid | HMDB | | 4’-hydroxycinnamic acid | HMDB | | p-Hydroxy-trans-cinnamic acid | HMDB | | p-trans-Coumaric acid | HMDB | | trans-3-(4-Hydroxyphenyl)-2-propenoic acid | HMDB | | trans-4-Coumaric acid | HMDB | | Β-[4-hydroxyphenyl]acrylic acid | HMDB | | 4-Coumaric acid | HMDB, MeSH | | 4-Hydroxycinnamic acid | ChEBI | | (4-Hydroxyphenyl)acrylic acid | | | Coumaric acid | |
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| Chemical Formula | C9H8O3 |
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| Average Mass | 164.1580 Da |
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| Monoisotopic Mass | 164.04734 Da |
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| IUPAC Name | (2E)-3-(4-hydroxyphenyl)prop-2-enoic acid |
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| Traditional Name | coumaric acid |
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| CAS Registry Number | 7400-08-0 |
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| SMILES | OC(=O)\C=C\C1=CC=C(O)C=C1 |
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| InChI Identifier | InChI=1S/C9H8O3/c10-8-4-1-7(2-5-8)3-6-9(11)12/h1-6,10H,(H,11,12)/b6-3+ |
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| InChI Key | NGSWKAQJJWESNS-ZZXKWVIFSA-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 | MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-01-23 | View Spectrum | | HSQC NMR | [1H, 13C] NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | bgnzk@missouri.edu | MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-01-23 | View Spectrum | | HMBC NMR | [1H, 13C] NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | bgnzk@missouri.edu | MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-01-23 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, CD3OD, experimental) | bgnzk@missouri.edu | MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-01-23 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, CD3OD, experimental) | bgnzk@missouri.edu | MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-01-23 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, CD3OD, experimental) | wuhonghua2011@tjutcm.edu.cn | Tianjin University of Traditional Chinese Medicine | Hong-Hua Wu | 2023-09-08 | 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 | 13C NMR Spectrum (1D, 252 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 | 13C NMR Spectrum (1D, 75 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 | 13C NMR Spectrum (1D, 126 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 | 13C NMR Spectrum (1D, 176 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 | 13C NMR Spectrum (1D, 226 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 25 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 | 13C NMR Spectrum (1D, 50 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 | 13C NMR Spectrum (1D, 101 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 | 13C NMR Spectrum (1D, 151 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 | 13C NMR Spectrum (1D, 201 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 |
| | 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 hydroxycinnamic acids. Hydroxycinnamic acids are compounds containing an cinnamic acid where the benzene ring is hydroxylated. |
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| Kingdom | Organic compounds |
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| Super Class | Phenylpropanoids and polyketides |
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| Class | Cinnamic acids and derivatives |
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| Sub Class | Hydroxycinnamic acids and derivatives |
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| Direct Parent | Hydroxycinnamic acids |
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| Alternative Parents | |
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| Substituents | - Cinnamic acid
- Coumaric acid
- Coumaric acid or derivatives
- Hydroxycinnamic acid
- Styrene
- 1-hydroxy-2-unsubstituted benzenoid
- Phenol
- Monocyclic benzene moiety
- Benzenoid
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Organic oxide
- Organic oxygen compound
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- 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 | Solid |
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| Experimental Properties | |
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| Predicted Properties | |
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