| Record Information |
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| Version | 2.0 |
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| Created at | 2005-11-16 15:48:42 UTC |
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| Updated at | 2024-09-17 15:41:30 UTC |
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| NP-MRD ID | NP0000271 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Isobutyryl-L-carnitine |
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| Description | Isobutyryl-L-carnitine is a product of the acyl-CoA dehydrogenases (ACADs), which are a group of mitochondrial enzymes involved in the metabolism of fatty acids or branched-chain amino acids (OMIM: 600301 ). Isobutyryl-L-carnitine is a member of the class of compounds known as acyl carnitines. Acyl carnitines are organic compounds containing a fatty acid with the carboxylic acid attached to carnitine through an ester bond. Isobutyryl-L-carnitine is practically insoluble (in water) and a weakly acidic compound (based on its pKa). |
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| Structure | CC(C)C(=O)O[C@H](CC([O-])=O)C[N+](C)(C)C InChI=1S/C11H21NO4/c1-8(2)11(15)16-9(6-10(13)14)7-12(3,4)5/h8-9H,6-7H2,1-5H3/t9-/m1/s1 |
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| Synonyms | | Value | Source |
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| (R)-Isobutyrylcarnitine | ChEBI | | Iso-butyryl-L(-)-carnitin | ChEBI | | Isobutyryl-carnitine | ChEBI | | Isobutyryl-L-(-)-carnitine | ChEBI | | O-Isobutanoyl-(R)-carnitine | ChEBI | | Isobutyryl-1-carnitine | HMDB | | Isobutyrylcarnitine | HMDB | | O-Isobutyryl-L-carnitine | HMDB | | Isobutyryl-L-carnitine | HMDB, ChEBI |
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| Chemical Formula | C11H21NO4 |
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| Average Mass | 231.2920 Da |
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| Monoisotopic Mass | 231.14706 Da |
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| IUPAC Name | (3R)-3-[(2-methylpropanoyl)oxy]-4-(trimethylazaniumyl)butanoate |
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| Traditional Name | (3R)-3-[(2-methylpropanoyl)oxy]-4-(trimethylammonio)butanoate |
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| CAS Registry Number | 25518-49-4 |
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| SMILES | CC(C)C(=O)O[C@H](CC([O-])=O)C[N+](C)(C)C |
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| InChI Identifier | InChI=1S/C11H21NO4/c1-8(2)11(15)16-9(6-10(13)14)7-12(3,4)5/h8-9H,6-7H2,1-5H3/t9-/m1/s1 |
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| InChI Key | LRCNOZRCYBNMEP-SECBINFHSA-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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| 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | 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 |
| | 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 acyl carnitines. These are organic compounds containing a fatty acid with the carboxylic acid attached to carnitine through an ester bond. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Fatty Acyls |
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| Sub Class | Fatty acid esters |
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| Direct Parent | Acyl carnitines |
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| Alternative Parents | |
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| Substituents | - Acyl-carnitine
- Branched fatty acid
- Dicarboxylic acid or derivatives
- Tetraalkylammonium salt
- Quaternary ammonium salt
- Carboxylic acid ester
- Carboxylic acid salt
- Carboxylic acid derivative
- Carboxylic acid
- Organonitrogen compound
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Organic nitrogen compound
- Carbonyl group
- Organic oxygen compound
- Amine
- Organooxygen compound
- Organic salt
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic 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 | | 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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| General References | - Kidouchi K, Niwa T, Nohara D, Asai K, Sugiyama N, Morishita H, Kobayashi M, Wada Y: Urinary acylcarnitines in a patient with neonatal multiple acyl-CoA dehydrogenation deficiency, quantified by a carboxylic acid analyzer with a reversed-phase column. Clin Chim Acta. 1988 Apr 29;173(3):263-72. [PubMed:3383426 ]
- Roe CR, Cederbaum SD, Roe DS, Mardach R, Galindo A, Sweetman L: Isolated isobutyryl-CoA dehydrogenase deficiency: an unrecognized defect in human valine metabolism. Mol Genet Metab. 1998 Dec;65(4):264-71. [PubMed:9889013 ]
- Vallee L, Fontaine M, Nuyts JP, Ricart G, Krivosic I, Divry P, Vianey-Saban C, Lhermitte M, Vamecq J: Stroke, hemiparesis and deficient mitochondrial beta-oxidation. Eur J Pediatr. 1994 Aug;153(8):598-603. [PubMed:7957409 ]
- Sugiyama N, Kidouchi K, Kobayashi M, Wada Y: Carnitine deficiency in inherited organic acid disorders and Reye syndrome. Acta Paediatr Jpn. 1990 Aug;32(4):410-6. [PubMed:2288224 ]
- Koeberl DD, Young SP, Gregersen NS, Vockley J, Smith WE, Benjamin DK Jr, An Y, Weavil SD, Chaing SH, Bali D, McDonald MT, Kishnani PS, Chen YT, Millington DS: Rare disorders of metabolism with elevated butyryl- and isobutyryl-carnitine detected by tandem mass spectrometry newborn screening. Pediatr Res. 2003 Aug;54(2):219-23. Epub 2003 May 7. [PubMed:12736383 ]
- Matsumoto K, Takahashi M, Takiyama N, Misaki H, Matsuo N, Murano S, Yuki H: Enzyme reactor for urinary acylcarnitines assay by reversed-phase high-performance liquid chromatography. Clin Chim Acta. 1993 Jul 16;216(1-2):135-43. [PubMed:8222264 ]
- Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.
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