Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2012-09-06 15:16:52 UTC |
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Update Date | 2022-03-07 02:51:59 UTC |
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HMDB ID | HMDB0015440 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Amobarbital |
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Description | Amobarbital is only found in individuals that have used or taken this drug. It is a barbiturate with hypnotic and sedative properties (but not antianxiety). Adverse effects are mainly a consequence of dose-related CNS depression and the risk of dependence with continued use is high. (From Martindale, The Extra Pharmacopoeia, 30th ed, p565)Amobarbital (like all barbiturates) works by binding to the GABAA receptor at either the alpha or the beta sub unit. These are binding sites that are distinct from GABA itself and also distinct from the benzodiazepine binding site. Like benzodiazepines, barbiturates potentiate the effect of GABA at this receptor. This GABAA receptor binding decreases input resistance, depresses burst and tonic firing, especially in ventrobasal and intralaminar neurons, while at the same time increasing burst duration and mean conductance at individual chloride channels; this increases both the amplitude and decay time of inhibitory postsynaptic currents. In addition to this GABA-ergic effect, barbiturates also block the AMPA receptor, a subtype of glutamate receptor. Glutamate is the principal excitatory neurotransmitter in the mammalian CNS. Amobarbital also appears to bind neuronal nicotinic acetylcholine receptors. |
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Structure | CCC1(CCC(C)C)C(=O)NC(=O)NC1=O InChI=1S/C11H18N2O3/c1-4-11(6-5-7(2)3)8(14)12-10(16)13-9(11)15/h7H,4-6H2,1-3H3,(H2,12,13,14,15,16) |
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Synonyms | Value | Source |
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5-Ethyl-5-(3-methylbutyl)-2,4,6(1H,3H,5H)-pyrimidinetrione | ChEBI | 5-Ethyl-5-(3-methylbutyl)barbituric acid | ChEBI | 5-Ethyl-5-isoamylbarbituric acid | ChEBI | 5-Ethyl-5-isopentylbarbituric acid | ChEBI | Amylobarbitone | ChEBI | Amytal | ChEBI | Barbamil | ChEBI | Barbamyl | ChEBI | Isomytal | Kegg | 5-Ethyl-5-(3-methylbutyl)barbitate | Generator | 5-Ethyl-5-(3-methylbutyl)barbitic acid | Generator | 5-Ethyl-5-isoamylbarbitate | Generator | 5-Ethyl-5-isoamylbarbitic acid | Generator | 5-Ethyl-5-isopentylbarbitate | Generator | 5-Ethyl-5-isopentylbarbitic acid | Generator | Adams brand OF amorbarbital | HMDB | Amorbarbital miquel brand | HMDB | ICN brand OF amorbarbital | HMDB | Sodium amobarbital | HMDB | Amobarbital, sodium | HMDB | Amsal | HMDB | Amylbarb sodium | HMDB | Amytal sodium | HMDB | Hosbon brand OF amorbarbital | HMDB | Lilly brand OF amobarbital sodium | HMDB | Neur-amyl | HMDB | NeurAmyl | HMDB | Pentymal | HMDB | Protea brand OF amobarbital sodium | HMDB | Amobarbital sodium | HMDB | Amylobeta | HMDB | Bramble brand OF amobarbital sodium | HMDB | Eunoctal | HMDB | Fawns and mcallan brand OF amorbarbital | HMDB | Flynn brand OF amobarbital sodium | HMDB | Houdé brand OF amobarbital sodium | HMDB | Isoamitil sedante | HMDB | Lilly brand OF amobarbital | HMDB | Novopharm brand OF amobarbital sodium | HMDB | Placidel | HMDB | Sodium amytal | HMDB | Adams brand OF amobarbital sodium | HMDB | Flynn brand OF amobarbital | HMDB | Isonal | HMDB | Miquel brand OF amorbarbital | HMDB | Novamobarb | HMDB | Sodium, amobarbital | HMDB | Transital | HMDB |
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Chemical Formula | C11H18N2O3 |
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Average Molecular Weight | 226.2722 |
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Monoisotopic Molecular Weight | 226.131742452 |
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IUPAC Name | 5-ethyl-5-(3-methylbutyl)-1,3-diazinane-2,4,6-trione |
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Traditional Name | amobarbital |
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CAS Registry Number | 57-43-2 |
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SMILES | CCC1(CCC(C)C)C(=O)NC(=O)NC1=O |
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InChI Identifier | InChI=1S/C11H18N2O3/c1-4-11(6-5-7(2)3)8(14)12-10(16)13-9(11)15/h7H,4-6H2,1-3H3,(H2,12,13,14,15,16) |
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InChI Key | VIROVYVQCGLCII-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as pyrimidones. Pyrimidones are compounds that contain a pyrimidine ring, which bears a ketone. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Diazines |
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Sub Class | Pyrimidines and pyrimidine derivatives |
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Direct Parent | Pyrimidones |
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Alternative Parents | |
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Substituents | - Pyrimidone
- Hydropyrimidine
- 2,5-dihydropyrimidine
- Carbonic acid derivative
- Propargyl-type 1,3-dipolar organic compound
- Organic 1,3-dipolar compound
- Azacycle
- Organic oxide
- Organooxygen compound
- Organonitrogen compound
- Organopnictogen compound
- Organic oxygen compound
- Carbonyl group
- Organic nitrogen compound
- Hydrocarbon derivative
- Aliphatic heteromonocyclic compound
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Molecular Framework | Aliphatic heteromonocyclic 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 | 0.9 g/L | Not Available | LogP | 2.07 | HANSCH,C ET AL. (1995) |
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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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Amobarbital,1TMS,isomer #1 | CCC1(CCC(C)C)C(=O)NC(=O)N([Si](C)(C)C)C1=O | 1739.3 | Semi standard non polar | 33892256 | Amobarbital,1TMS,isomer #1 | CCC1(CCC(C)C)C(=O)NC(=O)N([Si](C)(C)C)C1=O | 1878.6 | Standard non polar | 33892256 | Amobarbital,1TMS,isomer #1 | CCC1(CCC(C)C)C(=O)NC(=O)N([Si](C)(C)C)C1=O | 2783.0 | Standard polar | 33892256 | Amobarbital,2TMS,isomer #1 | CCC1(CCC(C)C)C(=O)N([Si](C)(C)C)C(=O)N([Si](C)(C)C)C1=O | 1708.8 | Semi standard non polar | 33892256 | Amobarbital,2TMS,isomer #1 | CCC1(CCC(C)C)C(=O)N([Si](C)(C)C)C(=O)N([Si](C)(C)C)C1=O | 1936.7 | Standard non polar | 33892256 | Amobarbital,2TMS,isomer #1 | CCC1(CCC(C)C)C(=O)N([Si](C)(C)C)C(=O)N([Si](C)(C)C)C1=O | 2294.3 | Standard polar | 33892256 | Amobarbital,1TBDMS,isomer #1 | CCC1(CCC(C)C)C(=O)NC(=O)N([Si](C)(C)C(C)(C)C)C1=O | 1947.2 | Semi standard non polar | 33892256 | Amobarbital,1TBDMS,isomer #1 | CCC1(CCC(C)C)C(=O)NC(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2110.0 | Standard non polar | 33892256 | Amobarbital,1TBDMS,isomer #1 | CCC1(CCC(C)C)C(=O)NC(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2818.9 | Standard polar | 33892256 | Amobarbital,2TBDMS,isomer #1 | CCC1(CCC(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2131.9 | Semi standard non polar | 33892256 | Amobarbital,2TBDMS,isomer #1 | CCC1(CCC(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2379.8 | Standard non polar | 33892256 | Amobarbital,2TBDMS,isomer #1 | CCC1(CCC(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2441.9 | Standard polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental GC-MS | GC-MS Spectrum - Amobarbital CI-B (Non-derivatized) | splash10-004i-0090000000-5962005393da49f25b6d | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Amobarbital EI-B (Non-derivatized) | splash10-0a4l-3900000000-4b439f0aa2820ea498c7 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Amobarbital CI-B (Non-derivatized) | splash10-004i-0090000000-5962005393da49f25b6d | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Amobarbital EI-B (Non-derivatized) | splash10-0a4l-3900000000-4b439f0aa2820ea498c7 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Amobarbital GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9620000000-6298f9a27728bfc9722a | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Amobarbital GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | MS | Mass Spectrum (Electron Ionization) | splash10-0a4l-4900000000-8b443325c415e154ac85 | 2014-09-20 | Not Available | 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 - Amobarbital 10V, Positive-QTOF | splash10-004i-1390000000-7c25547f91d65d34b75e | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 20V, Positive-QTOF | splash10-0a4i-4900000000-0c36377cb01094db4c2d | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 40V, Positive-QTOF | splash10-0a4i-9100000000-fa8c8d196256959bdd9c | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 10V, Negative-QTOF | splash10-0036-7950000000-45e6dd876654c6919ca7 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 20V, Negative-QTOF | splash10-0006-9610000000-40925dd102ce4be321f7 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 40V, Negative-QTOF | splash10-0006-9600000000-e4f4b95f285a9be2c43a | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 10V, Positive-QTOF | splash10-004i-0090000000-48d9a204e1fb509f9844 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 20V, Positive-QTOF | splash10-0a4i-3900000000-203e128dc6607ceba540 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 40V, Positive-QTOF | splash10-0pb9-8900000000-3bee53e0f49ce37552a5 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 10V, Negative-QTOF | splash10-004i-0090000000-ff2ca28a72e0e94de818 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 20V, Negative-QTOF | splash10-0006-9040000000-ec4b92281eba0906d9e1 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Amobarbital 40V, Negative-QTOF | splash10-0006-9400000000-cffa2ffcfdf19b76d1d3 | 2021-10-11 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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