Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2021-09-11 13:53:05 UTC |
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Update Date | 2021-09-26 23:08:35 UTC |
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HMDB ID | HMDB0254527 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | Methidathion |
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Description | Methidathion, also known as supracide, belongs to the class of organic compounds known as 1,3,4-thiadiazol-3-yl-organothiophosphates. These are aromatic heterocyclic compounds containing a 1,3,4-thiadiazole ring, which is substituted at the 2-position with an organothiophosphate group. Acetylcholine esterase breaks down the neurotransmitter acetylcholine, which is released at nerve and muscle junctions, in order to allow the muscle or organ to relax. Increasing muscle weakness is a possibility and may result in death if respiratory muscles are involved. Methidathion is an extremely weak basic (essentially neutral) compound (based on its pKa). Methidathion is a potentially toxic compound. In females menstrual cycle disturbances, longer pregnancies, spontaneous abortions, stillbirths, and some developmental effects in offspring have been linked to organophosphate pesticide exposure. This compound has been identified in human blood as reported by (PMID: 31557052 ). Methidathion is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Methidathion is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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Structure | COC1=NN(CSP(=S)(OC)OC)C(=O)S1 InChI=1S/C6H11N2O4PS3/c1-10-5-7-8(6(9)16-5)4-15-13(14,11-2)12-3/h4H2,1-3H3 |
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Synonyms | Value | Source |
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Phosphorodithioic acid, S-[(5-methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl] O,O-dimethyl ester | ChEBI | S-(2,3-Dihydro-5-methoxy-2-oxo-1,3,4-thiadiazol-3-methyl) dimethyl phosphorothiolothionate | ChEBI | S-[(5-Methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl] O,O-dimethyl dithiophosphate | ChEBI | Supracide | ChEBI | Phosphorodithioate, S-[(5-methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl] O,O-dimethyl ester | Generator | S-(2,3-Dihydro-5-methoxy-2-oxo-1,3,4-thiadiazol-3-methyl) dimethyl phosphorothiolothionic acid | Generator | S-[(5-Methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl] O,O-dimethyl dithiophosphoric acid | Generator | O,O-Dimethyl S-(2-methoxy-1,3,4-thiadiazole-5)-(4H)-onyl-(4)-methylphosphorodithioate | MeSH | S-2,3-dihydro-5-Methoxy-2-oxo-1,3,4-thiadiazol-3-ylmethyl O,O-dimethyl phosphorodithioate | MeSH | S-(5-Methoxy-2-oxo-1,3,4-thiadiazol-3-(2H)-yl) O,O-dimethylphosphorodithioate | MeSH | Metidathion | MeSH |
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Chemical Formula | C6H11N2O4PS3 |
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Average Molecular Weight | 302.331 |
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Monoisotopic Molecular Weight | 301.961855432 |
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IUPAC Name | O,O-dimethyl {[(5-methoxy-2-oxo-2,3-dihydro-1,3,4-thiadiazol-3-yl)methyl]sulfanyl}phosphonothioate |
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Traditional Name | O,O-dimethyl [(5-methoxy-2-oxo-1,3,4-thiadiazol-3-yl)methyl]sulfanylphosphonothioate |
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CAS Registry Number | Not Available |
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SMILES | COC1=NN(CSP(=S)(OC)OC)C(=O)S1 |
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InChI Identifier | InChI=1S/C6H11N2O4PS3/c1-10-5-7-8(6(9)16-5)4-15-13(14,11-2)12-3/h4H2,1-3H3 |
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InChI Key | MEBQXILRKZHVCX-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as 1,3,4-thiadiazol-3-yl-organothiophosphates. These are aromatic heterocyclic compounds containing a 1,3,4-thiadiazole ring, which is substituted at the 2-position with an organothiophosphate group. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Azoles |
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Sub Class | Thiadiazoles |
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Direct Parent | 1,3,4-thiadiazol-3-yl-organothiophosphates |
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Alternative Parents | |
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Substituents | - 1,3,4-thiadiazol-3-yl-organothiophosphate
- Alkyl aryl ether
- Dithiophosphate s-ester
- Dithiophosphate o-ester
- Heteroaromatic compound
- Organic dithiophosphate
- Azacycle
- Sulfenyl compound
- Organothiophosphorus compound
- Ether
- Organic oxide
- Hydrocarbon derivative
- Organic nitrogen compound
- Organosulfur compound
- Organooxygen compound
- Organonitrogen compound
- Organopnictogen compound
- Organic oxygen compound
- Aromatic heteromonocyclic compound
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Molecular Framework | Aromatic 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 | |
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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 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 - Methidathion GC-MS (Non-derivatized) - 70eV, Positive | splash10-0229-9650000000-90b86210e49548eefd28 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Methidathion GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | MS | Mass Spectrum (Electron Ionization) | splash10-000b-9600000000-e57a196ea91d0a871b8b | 2014-10-20 | Not Available | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental LC-MS/MS | LC-MS/MS Spectrum - Methidathion 90V, Positive-QTOF | splash10-0a4i-9000000000-65a78dd3d363cf20902a | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Methidathion 75V, Positive-QTOF | splash10-0abi-9000000000-afbf99f53ac04c355e2b | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Methidathion 60V, Positive-QTOF | splash10-059i-9000000000-a25f5e4e21a4a79e5ed9 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Methidathion 45V, Positive-QTOF | splash10-0079-9100000000-d08ecb728b3e5637fa89 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Methidathion 15V, Positive-QTOF | splash10-0002-2900000000-abce1a72497794da1539 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Methidathion 30V, Positive-QTOF | splash10-007a-9500000000-cbfe306a168d0eee91de | 2021-09-20 | HMDB team, MONA | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 10V, Positive-QTOF | splash10-0ufr-0669000000-4c08c979983bd7c9d7a4 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 20V, Positive-QTOF | splash10-0udi-3519000000-c37f9b32d5943c863283 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 40V, Positive-QTOF | splash10-014i-0900000000-065add8950330d0fc0e7 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 10V, Negative-QTOF | splash10-0udi-4279000000-fea55d07d8b4df13a920 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 20V, Negative-QTOF | splash10-0a4i-9000000000-6250bc1397d71de7f6c5 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 40V, Negative-QTOF | splash10-0a4i-9000000000-5da9ff2c3db6b25a255b | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 10V, Positive-QTOF | splash10-0f6t-0906000000-bd6e03ff86b320d35167 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 20V, Positive-QTOF | splash10-00di-0900000000-82ead2f9508545c8fe36 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 40V, Positive-QTOF | splash10-00di-5900000000-3699972d20ee29ae1f54 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 10V, Negative-QTOF | splash10-0uk9-0609000000-0c4f0554b3910a4e954e | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 20V, Negative-QTOF | splash10-00di-0901000000-55914153d26da6a92b69 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methidathion 40V, Negative-QTOF | splash10-0a4l-4900000000-abaad0569a52715d1c43 | 2021-10-12 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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