| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2006-05-22 14:17:35 UTC |
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| Update Date | 2023-02-21 17:16:07 UTC |
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| HMDB ID | HMDB0002072 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 4-Methoxyphenylacetic acid |
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| Description | 4-methoxyphenylacetic acid is a monocarboxylic acid that is phenylacetic acid carrying a 4-methoxy substituent. It is used as an intermediate for pharmaceuticals and other organic synthesis. It has been found to inhibit the germination of cress and lettuce seeds. It has a role as a plant metabolite, a plant growth retardant and an Aspergillus metabolite. It is a monocarboxylic acid and a monomethoxybenzene. 4-Methoxyphenylacetic acid, also known as 4-methoxybenzeneacetate or 2-(p-anisyl)acetic acid, belongs to the class of organic compounds known as anisoles. These are organic compounds containing a methoxybenzene or a derivative thereof. 4-Methoxyphenylacetic acid is a 4-O-Methylated catecholamine metabolite found in normal human urine, cerebrospinal fluid and brain tissue. |
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| Structure | InChI=1S/C9H10O3/c1-12-8-4-2-7(3-5-8)6-9(10)11/h2-5H,6H2,1H3,(H,10,11) |
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| Synonyms | | Value | Source |
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| (4-Methoxyphenyl)acetic acid | ChEBI | | (p-Methoxyphenyl)acetic acid | ChEBI | | 2-(p-Anisyl)acetic acid | ChEBI | | 4-Methoxybenzeneacetic acid | ChEBI | | Homoanisic acid | ChEBI | | p-Methoxy-alpha-toluic acid | ChEBI | | p-Methoxyphenylacetic acid | ChEBI | | (4-Methoxyphenyl)acetate | Generator | | (p-Methoxyphenyl)acetate | Generator | | 2-(p-Anisyl)acetate | Generator | | 4-Methoxybenzeneacetate | Generator | | Homoanisate | Generator | | p-Methoxy-a-toluate | Generator | | p-Methoxy-a-toluic acid | Generator | | p-Methoxy-alpha-toluate | Generator | | p-Methoxy-α-toluate | Generator | | p-Methoxy-α-toluic acid | Generator | | p-Methoxyphenylacetate | Generator | | 4-Methoxyphenylacetate | Generator | | 3-Methoxyphenylacetic acid, potassium salt | MeSH | | 3-Methoxyphenylacetic acid | MeSH | | (4-Methoxy-phenyl)-acetate | HMDB | | (4-Methoxy-phenyl)-acetic acid | HMDB | | 4-Methoxy phenylacetic acid | HMDB | | 4-Methoxy-benzeneacetate | HMDB | | 4-Methoxy-benzeneacetic acid | HMDB | | homo-P-Anisic acid | HMDB | | P-Methoxyphenyl-acetate | HMDB | | P-Methoxyphenyl-acetic acid | HMDB |
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| Chemical Formula | C9H10O3 |
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| Average Molecular Weight | 166.1739 |
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| Monoisotopic Molecular Weight | 166.062994186 |
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| IUPAC Name | 2-(4-methoxyphenyl)acetic acid |
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| Traditional Name | 4-methoxyphenylacetic acid |
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| CAS Registry Number | 104-01-8 |
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| SMILES | COC1=CC=C(CC(O)=O)C=C1 |
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| InChI Identifier | InChI=1S/C9H10O3/c1-12-8-4-2-7(3-5-8)6-9(10)11/h2-5H,6H2,1H3,(H,10,11) |
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| InChI Key | NRPFNQUDKRYCNX-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as anisoles. These are organic compounds containing a methoxybenzene or a derivative thereof. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Phenol ethers |
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| Sub Class | Anisoles |
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| Direct Parent | Anisoles |
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| Alternative Parents | |
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| Substituents | - Phenoxy compound
- Methoxybenzene
- Anisole
- Alkyl aryl ether
- Monocyclic benzene moiety
- Monocarboxylic acid or derivatives
- Ether
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- 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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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | |
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| Experimental Chromatographic Properties | Experimental Collision Cross Sections |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 4.2 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.1528 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.21 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1492.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 367.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 141.0 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 216.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 122.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 425.2 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 463.9 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 116.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 936.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 385.0 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1059.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 272.4 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 355.1 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 400.6 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 281.1 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 104.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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| Spectra |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental GC-MS | GC-MS Spectrum - 4-Methoxyphenylacetic acid EI-B (Non-derivatized) | splash10-00di-1900000000-3f38b31d62021162fa79 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - 4-Methoxyphenylacetic acid EI-B (Non-derivatized) | splash10-00di-1900000000-3f38b31d62021162fa79 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 4-Methoxyphenylacetic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-00di-4900000000-c0ac9a8c960efa14aa9e | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 4-Methoxyphenylacetic acid GC-MS (1 TMS) - 70eV, Positive | splash10-00di-9610000000-827c52ec2601e1848c83 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 4-Methoxyphenylacetic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental LC-MS/MS | LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid Quattro_QQQ 10V, Positive-QTOF (Annotated) | splash10-00di-0900000000-9a07510e862a3a8fbc0f | 2012-07-25 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid Quattro_QQQ 25V, Positive-QTOF (Annotated) | splash10-00di-4900000000-a51b42c5bcf30f73fa21 | 2012-07-25 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid Quattro_QQQ 40V, Positive-QTOF (Annotated) | splash10-004i-9100000000-09ddc34c57dd8f759d36 | 2012-07-25 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 10V, Positive-QTOF | splash10-0002-0900000000-dd75ebae080e8172f70b | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 20V, Positive-QTOF | splash10-00dj-0900000000-484c747c20eb441a0e70 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 40V, Positive-QTOF | splash10-0a6u-9500000000-41ce119cf280dbf7526d | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 10V, Negative-QTOF | splash10-01b9-0900000000-0f38d32c191cd9ba8932 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 20V, Negative-QTOF | splash10-06dj-0900000000-b2cf5d48884871a755b1 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 40V, Negative-QTOF | splash10-0a4i-5900000000-55e9339f98026f5943d3 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 10V, Negative-QTOF | splash10-00di-0900000000-1b3f50229a3d0ec9c0bc | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 20V, Negative-QTOF | splash10-0ab9-2900000000-a9f561b97c1d5a1e6311 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 40V, Negative-QTOF | splash10-004i-9100000000-b841e9a4caa432e86a17 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 10V, Positive-QTOF | splash10-01b9-0900000000-68e12f60465e411079c3 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 20V, Positive-QTOF | splash10-00di-3900000000-0b3e0467ba9195464cf3 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methoxyphenylacetic acid 40V, Positive-QTOF | splash10-004i-9100000000-6f175172d619e7e48374 | 2021-09-24 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Experimental 1D NMR | 1H NMR Spectrum (1D, 500 MHz, CDCl3, experimental) | 2012-12-05 | Wishart Lab | View Spectrum | | Experimental 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | 2012-12-05 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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| Biological Properties |
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| Cellular Locations | Not Available |
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| Biospecimen Locations | |
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| Tissue Locations | Not Available |
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| Pathways | |
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| Normal Concentrations |
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| Blood | Detected and Quantified | 0.123 +/- 0.032 uM | Adult (>18 years old) | Male | Normal | | details | | Blood | Detected and Quantified | 0.107 +/- 0.035 uM | Adult (>18 years old) | Male | Normal | | details | | Blood | Detected and Quantified | 0.113 +/- 0.029 uM | Adult (>18 years old) | Male | Normal | | details | | Blood | Detected and Quantified | 0.175 +/- 0.066 uM | Adult (>18 years old) | Male | Normal | | details | | Blood | Detected and Quantified | 0.126 +/- 0.029 uM | Adult (>18 years old) | Male | Normal | | details | | Blood | Detected and Quantified | 0.114 +/- 0.012 uM | Adult (>18 years old) | Male | Normal | | details | | Blood | Detected and Quantified | 0.111 +/- 0.03 uM | Adult (>18 years old) | Male | Normal | | details | | Blood | Detected and Quantified | 0.445 +/- 0.382 uM | Adult (>18 years old) | Male | Normal | | details | | Saliva | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details | | Urine | Detected and Quantified | 0.073 +/- 0.046 umol/mmol creatinine | Adult (>18 years old) | Male | Normal | | details |
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| Abnormal Concentrations |
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| Saliva | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Oral squamous cell carcinoma (OSCC) | | details | | Saliva | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Oral leukoplakia (OLK) | | details |
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| Associated Disorders and Diseases |
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| Disease References | None |
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| Associated OMIM IDs | None |
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| External Links |
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| DrugBank ID | Not Available |
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| Phenol Explorer Compound ID | Not Available |
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| FooDB ID | FDB022832 |
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| KNApSAcK ID | Not Available |
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| Chemspider ID | 7406 |
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| KEGG Compound ID | Not Available |
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| BioCyc ID | Not Available |
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| BiGG ID | Not Available |
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| Wikipedia Link | Not Available |
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| METLIN ID | 6472 |
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| PubChem Compound | 7690 |
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| PDB ID | Not Available |
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| ChEBI ID | 55501 |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | Not Available |
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| MarkerDB ID | Not Available |
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| Good Scents ID | rw1204611 |
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| References |
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| Synthesis Reference | Not Available |
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| Material Safety Data Sheet (MSDS) | Download (PDF) |
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| General References | - Todoriki H, Hayashi T, Naruse H: High-performance liquid chromatographic method for screening disorders of aromatic acid metabolism using a multi-detection system. J Chromatogr. 1984 Oct 12;310(2):273-81. [PubMed:6511847 ]
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