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 02:52:04 UTC |
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HMDB ID | HMDB0015654 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Methacholine |
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Description | Methacholine acts as a non-selective muscarinic receptor agonist to stimulate the parasympathetic nervous system. It is most commonly used for diagnosing bronchial hyperreactivity, using the bronchial challenge test. Through this test, the drug causes bronchoconstriction and people with pre-existing airway hyperreactivity, such as asthmatics, will react to lower doses of drug. |
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Structure | InChI=1S/C8H18NO2/c1-7(11-8(2)10)6-9(3,4)5/h7H,6H2,1-5H3/q+1 |
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Synonyms | Value | Source |
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Acetyl-beta-methylcholine | ChEBI | Acetylmethylcholine | ChEBI | MCh | ChEBI | Acetyl-b-methylcholine | Generator | Acetyl-β-methylcholine | Generator | Acetyl-beta-methacholine chloride | HMDB | Methacholine chloride | HMDB | Roche brand OF methacholine chloride | HMDB | Acetyl 2 methylcholine chloride | HMDB | Acetyl beta methacholine chloride | HMDB | Acetyl-2-methylcholine chloride | HMDB | Methapharma brand OF methacholine chloride | HMDB | Provokit | HMDB | 2-(Acetyloxy)-N,N,N-trimethyl-1-propanaminium chloride | HMDB | Chloride, methacholine | HMDB | Lindopharm brand OF methacholine chloride | HMDB | Acetyl beta methylcholine | HMDB | Mecholine | HMDB | Mecholyl | HMDB | Provocholine | HMDB |
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Chemical Formula | C8H18NO2 |
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Average Molecular Weight | 160.234 |
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Monoisotopic Molecular Weight | 160.133753825 |
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IUPAC Name | [2-(acetyloxy)propyl]trimethylazanium |
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Traditional Name | methacholine |
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CAS Registry Number | 55-92-5 |
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SMILES | CC(C[N+](C)(C)C)OC(C)=O |
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InChI Identifier | InChI=1S/C8H18NO2/c1-7(11-8(2)10)6-9(3,4)5/h7H,6H2,1-5H3/q+1 |
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InChI Key | NZWOPGCLSHLLPA-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as tetraalkylammonium salts. These are organonitrogen compounds containing a quaternary ammonium substituted with four alkyl chains. |
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Kingdom | Organic compounds |
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Super Class | Organic nitrogen compounds |
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Class | Organonitrogen compounds |
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Sub Class | Quaternary ammonium salts |
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Direct Parent | Tetraalkylammonium salts |
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Alternative Parents | |
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Substituents | - Tetraalkylammonium salt
- Carboxylic acid ester
- Monocarboxylic acid or derivatives
- Carboxylic acid derivative
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Organic salt
- Organooxygen compound
- Carbonyl group
- Amine
- Organic cation
- 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 | Experimental Collision Cross Sections |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatized |
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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 - Methacholine GC-MS (Non-derivatized) - 70eV, Positive | splash10-0pb9-9300000000-58ac206c8375cdba4dbe | 2017-08-28 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Methacholine 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 - Methacholine 10V, Positive-QTOF | splash10-03di-1900000000-6dcde9ec782ba8c520ed | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methacholine 20V, Positive-QTOF | splash10-0j4i-4900000000-0fae01014a0c2794d4f4 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methacholine 40V, Positive-QTOF | splash10-0udj-9600000000-bcea3e3a42888cb235a2 | 2017-09-01 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
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