Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2005-11-16 15:48:42 UTC |
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Update Date | 2023-02-21 17:15:30 UTC |
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HMDB ID | HMDB0001172 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 2-Methyl-3-oxopropanoic acid |
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Description | 2-Methyl-3-oxopropanoic acid, also known as methylmalonate semialdehyde or 3-oxo-2-methylpropanoate, belongs to the class of organic compounds known as 1,3-dicarbonyl compounds. These are carbonyl compounds with the generic formula O=C(R)C(H)C(R')=O, where R and R' can be any group. The 2-methyl-3-oxo derivative of propanoic acid. 2-Methyl-3-oxopropanoic acid is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. 2-Methyl-3-oxopropanoic acid exists in all living organisms, ranging from bacteria to humans. |
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Structure | InChI=1S/C4H6O3/c1-3(2-5)4(6)7/h2-3H,1H3,(H,6,7) |
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Synonyms | Value | Source |
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2-Methyl-3-oxopropanoate | ChEBI | 3-oxo-2-Methylpropanoate | ChEBI | Methylmalonate semialdehyde | ChEBI | 3-oxo-2-Methylpropanoic acid | Generator | Methylmalonic acid semialdehyde | Generator | CH3-Malonate-semialdehyde | HMDB | Methylmalonate-semialdehyde | HMDB | 2-Methyl-3-oxo-propanoate | HMDB | 2-Methyl-3-oxopropanoic acid | Generator |
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Chemical Formula | C4H6O3 |
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Average Molecular Weight | 102.0886 |
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Monoisotopic Molecular Weight | 102.031694058 |
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IUPAC Name | 2-methyl-3-oxopropanoic acid |
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Traditional Name | methylmalonate semialdehyde |
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CAS Registry Number | 6236-08-4 |
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SMILES | CC(C=O)C(O)=O |
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InChI Identifier | InChI=1S/C4H6O3/c1-3(2-5)4(6)7/h2-3H,1H3,(H,6,7) |
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InChI Key | VOKUMXABRRXHAR-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as 1,3-dicarbonyl compounds. These are carbonyl compounds with the generic formula O=C(R)C(H)C(R')=O, where R and R' can be any group. |
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Kingdom | Organic compounds |
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Super Class | Organic oxygen compounds |
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Class | Organooxygen compounds |
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Sub Class | Carbonyl compounds |
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Direct Parent | 1,3-dicarbonyl compounds |
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Alternative Parents | |
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Substituents | - 1,3-dicarbonyl compound
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxide
- Hydrocarbon derivative
- Short-chain aldehyde
- Aldehyde
- Aliphatic acyclic compound
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Molecular Framework | Aliphatic acyclic 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 | 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 Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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2-Methyl-3-oxopropanoic acid,1TMS,isomer #1 | CC(C=O)C(=O)O[Si](C)(C)C | 1004.5 | Semi standard non polar | 33892256 | 2-Methyl-3-oxopropanoic acid,1TMS,isomer #2 | CC(=CO[Si](C)(C)C)C(=O)O | 1121.8 | Semi standard non polar | 33892256 | 2-Methyl-3-oxopropanoic acid,2TMS,isomer #1 | CC(=CO[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1222.1 | Semi standard non polar | 33892256 | 2-Methyl-3-oxopropanoic acid,2TMS,isomer #1 | CC(=CO[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1140.6 | Standard non polar | 33892256 | 2-Methyl-3-oxopropanoic acid,2TMS,isomer #1 | CC(=CO[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1241.6 | Standard polar | 33892256 | 2-Methyl-3-oxopropanoic acid,1TBDMS,isomer #1 | CC(C=O)C(=O)O[Si](C)(C)C(C)(C)C | 1224.8 | Semi standard non polar | 33892256 | 2-Methyl-3-oxopropanoic acid,1TBDMS,isomer #2 | CC(=CO[Si](C)(C)C(C)(C)C)C(=O)O | 1366.4 | Semi standard non polar | 33892256 | 2-Methyl-3-oxopropanoic acid,2TBDMS,isomer #1 | CC(=CO[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1627.5 | Semi standard non polar | 33892256 | 2-Methyl-3-oxopropanoic acid,2TBDMS,isomer #1 | CC(=CO[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1567.2 | Standard non polar | 33892256 | 2-Methyl-3-oxopropanoic acid,2TBDMS,isomer #1 | CC(=CO[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1564.5 | Standard polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - 2-Methyl-3-oxopropanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0a4i-9000000000-8b181508e3ce65539b46 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Methyl-3-oxopropanoic acid GC-MS (1 TMS) - 70eV, Positive | splash10-00di-9600000000-15e42a2e09123d5f22ad | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Methyl-3-oxopropanoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Methyl-3-oxopropanoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 10V, Positive-QTOF | splash10-0zg0-9400000000-e46caa43ec4709ce7686 | 2015-09-14 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 20V, Positive-QTOF | splash10-0a4i-9000000000-6c1632ad1d7983990262 | 2015-09-14 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 40V, Positive-QTOF | splash10-0a4i-9000000000-6762a2cf4db52c84495c | 2015-09-14 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 10V, Negative-QTOF | splash10-0udi-2900000000-9066dc83487b73946c99 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 20V, Negative-QTOF | splash10-0a4i-9200000000-8fde49823ba2083f055f | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 40V, Negative-QTOF | splash10-0a4i-9000000000-a320f14ddfc09e798938 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 10V, Negative-QTOF | splash10-0uk9-8900000000-0a76d84228c38b1cfe1d | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 20V, Negative-QTOF | splash10-0pb9-9300000000-dd49ef94a8379e8517cd | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 40V, Negative-QTOF | splash10-0a4i-9000000000-4f42a2a7dc0b37e742da | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 10V, Positive-QTOF | splash10-0a4i-9000000000-b5c480248a004c069416 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 20V, Positive-QTOF | splash10-0a4i-9000000000-6de8f6b91e5efd633c28 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-3-oxopropanoic acid 40V, Positive-QTOF | splash10-0a4r-9000000000-a0e9ace5e33e8c50915e | 2021-09-24 | Wishart Lab | View Spectrum |
IR SpectraSpectrum 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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