| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2013-07-04 18:56:02 UTC |
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| Update Date | 2023-02-21 17:30:12 UTC |
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| HMDB ID | HMDB0060735 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid |
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| Description | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid belongs to the class of organic compounds known as phenylpropanoic acids. Phenylpropanoic acids are compounds with a structure containing a benzene ring conjugated to a propanoic acid. 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid is an extremely weak basic (essentially neutral) compound (based on its pKa). This property is significant in that it allows a greater proportion of peripheral levodopa to cross the blood brain barrier for central nervous system effect. 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid is a metabolite of carbidopa. Carbidopa (Lodosyn) is a drug given to people with Parkinson's disease in order to inhibit peripheral metabolism of levodopa. |
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| Structure | CC(CC1=CC(O)=C(O)C=C1)C(O)=O InChI=1S/C10H12O4/c1-6(10(13)14)4-7-2-3-8(11)9(12)5-7/h2-3,5-6,11-12H,4H2,1H3,(H,13,14) |
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| Synonyms | | Value | Source |
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| 3-(3,4-Dihydroxyphenyl)-2-methylpropionate | Generator | | 3-(3,4-Dihydroxyphenyl)-2-methylpropanoate | Generator |
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| Chemical Formula | C10H12O4 |
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| Average Molecular Weight | 196.1999 |
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| Monoisotopic Molecular Weight | 196.073558872 |
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| IUPAC Name | 3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid |
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| Traditional Name | 3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid |
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| CAS Registry Number | Not Available |
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| SMILES | CC(CC1=CC(O)=C(O)C=C1)C(O)=O |
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| InChI Identifier | InChI=1S/C10H12O4/c1-6(10(13)14)4-7-2-3-8(11)9(12)5-7/h2-3,5-6,11-12H,4H2,1H3,(H,13,14) |
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| InChI Key | GIIOASILGOFVPI-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as phenylpropanoic acids. Phenylpropanoic acids are compounds with a structure containing a benzene ring conjugated to a propanoic acid. |
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| Kingdom | Organic compounds |
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| Super Class | Phenylpropanoids and polyketides |
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| Class | Phenylpropanoic acids |
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| Sub Class | Not Available |
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| Direct Parent | Phenylpropanoic acids |
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| Alternative Parents | |
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| Substituents | - 3-phenylpropanoic-acid
- Phenylpropane
- Catechol
- 1-hydroxy-4-unsubstituted benzenoid
- 1-hydroxy-2-unsubstituted benzenoid
- Phenol
- Monocyclic benzene moiety
- Benzenoid
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Organic oxide
- Organic oxygen compound
- Carbonyl group
- Organooxygen compound
- Hydrocarbon derivative
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic compounds |
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| External Descriptors | Not Available |
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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 | Not Available |
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| Experimental Molecular 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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| Experimental Chromatographic Properties | Not Available |
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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 √ó 2.1 mm; 1.7 Œºmparticle diameter). Predicted by Afia on May 17, 2022. | 3.66 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.0311 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.1 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1150.4 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 276.0 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 101.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 152.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 63.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 369.6 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 | 340.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 156.5 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 680.4 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 335.4 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 | 912.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 194.9 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 273.6 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 404.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 269.4 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 | 220.5 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TMS,isomer #1 | CC(CC1=CC=C(O)C(O[Si](C)(C)C)=C1)C(=O)O | 1893.1 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TMS,isomer #2 | CC(CC1=CC=C(O[Si](C)(C)C)C(O)=C1)C(=O)O | 1920.7 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TMS,isomer #3 | CC(CC1=CC=C(O)C(O)=C1)C(=O)O[Si](C)(C)C | 1923.6 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TMS,isomer #1 | CC(CC1=CC=C(O[Si](C)(C)C)C(O[Si](C)(C)C)=C1)C(=O)O | 1912.4 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TMS,isomer #2 | CC(CC1=CC=C(O)C(O[Si](C)(C)C)=C1)C(=O)O[Si](C)(C)C | 1870.0 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TMS,isomer #3 | CC(CC1=CC=C(O[Si](C)(C)C)C(O)=C1)C(=O)O[Si](C)(C)C | 1899.6 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,3TMS,isomer #1 | CC(CC1=CC=C(O[Si](C)(C)C)C(O[Si](C)(C)C)=C1)C(=O)O[Si](C)(C)C | 1958.3 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TBDMS,isomer #1 | CC(CC1=CC=C(O)C(O[Si](C)(C)C(C)(C)C)=C1)C(=O)O | 2150.3 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TBDMS,isomer #2 | CC(CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(O)=C1)C(=O)O | 2181.0 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TBDMS,isomer #3 | CC(CC1=CC=C(O)C(O)=C1)C(=O)O[Si](C)(C)C(C)(C)C | 2176.8 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TBDMS,isomer #1 | CC(CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)=C1)C(=O)O | 2395.9 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TBDMS,isomer #2 | CC(CC1=CC=C(O)C(O[Si](C)(C)C(C)(C)C)=C1)C(=O)O[Si](C)(C)C(C)(C)C | 2363.8 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TBDMS,isomer #3 | CC(CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(O)=C1)C(=O)O[Si](C)(C)C(C)(C)C | 2418.5 | Semi standard non polar | 33892256 | | 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,3TBDMS,isomer #1 | CC(CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)=C1)C(=O)O[Si](C)(C)C(C)(C)C | 2640.9 | Semi standard non polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-00di-0900000000-f492d54822e1a6e7a466 | 2017-09-20 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid GC-MS (3 TMS) - 70eV, Positive | splash10-006t-5149000000-5f5b5e3c7bd8a380d15a | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic 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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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 10V, Positive-QTOF | splash10-0002-0900000000-f9adf533e36312b58008 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 20V, Positive-QTOF | splash10-0umj-2900000000-80586179d13c91755bbc | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 40V, Positive-QTOF | splash10-0zml-9800000000-0261e6c60ea51dade5f2 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 10V, Negative-QTOF | splash10-0002-0900000000-49e59a29f2d81bdde19a | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 20V, Negative-QTOF | splash10-0f6t-1900000000-12754aeab1fd382d5bbc | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 40V, Negative-QTOF | splash10-05fr-8900000000-3eaec55cf4f2aaa3b9d8 | 2016-08-03 | 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]-) | 2023-02-04 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-04 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-04 | FELIX lab | View Spectrum |
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