Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2009-11-30 15:50:59 UTC |
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Update Date | 2020-02-26 21:38:20 UTC |
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HMDB ID | HMDB0013208 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 9-Hexadecenoylcholine |
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Description | 9-Hexadecenoylcholine, also known as palmitoloelycholine, is a fatty acid-choline and is the ester product of 9-hexadecenoic acid and choline. The pharmacological effects of a series of fatty acid-choline esters have been studied on the isolated rabbit heart, the isolated guinea-pig ileum, and the rat stomach. The effect changed with increasing chain length, and three different types of response were observed. The short-chain compounds produced depression of the isolated rabbit heart and spasm of the isolated guinea-pig ileum. Only one, butyrylcholine, had an erratic stimulating effect on hydrochloric acid secretion by the partially vagotomized rat stomach. Medium-chain compounds had a stimulating effect on the isolated rabbit heart, a mixed spasmogenic and relaxant effect on the isolated guinea-pig ileum, and no effect on the rat stomach. Long-chain compounds blocked the effect of acetylcholine on the isolated rabbit heart and the isolated guinea-pig ileum; they also depressed spontaneous hydrochloric acid secretion by the rat stomach. |
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Structure | CCCCCC\C=C/CCCCCCCC(=O)OCC[N+](C)(C)C InChI=1S/C21H42NO2/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-21(23)24-20-19-22(2,3)4/h10-11H,5-9,12-20H2,1-4H3/q+1/b11-10- |
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Synonyms | Value | Source |
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Choline palmitoleate | HMDB | Palmitoloelycholine | HMDB | 9-Hexadecenoylcholine | HMDB |
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Chemical Formula | C21H42NO2 |
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Average Molecular Weight | 340.571 |
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Monoisotopic Molecular Weight | 340.321006017 |
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IUPAC Name | {2-[(9Z)-hexadec-9-enoyloxy]ethyl}trimethylazanium |
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Traditional Name | {2-[(9Z)-hexadec-9-enoyloxy]ethyl}trimethylazanium |
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CAS Registry Number | 943438-47-9 |
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SMILES | CCCCCC\C=C/CCCCCCCC(=O)OCC[N+](C)(C)C |
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InChI Identifier | InChI=1S/C21H42NO2/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-21(23)24-20-19-22(2,3)4/h10-11H,5-9,12-20H2,1-4H3/q+1/b11-10- |
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InChI Key | KZSMYKYPFGHWQV-KHPPLWFESA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as acyl cholines. These are acylated derivatives of choline. Choline or 2-Hydroxy-N,N,N-trimethylethanaminium is a quaternary ammonium salt with the chemical formula (CH3)3N+(CH2)2OH. |
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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 | Acyl cholines |
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Alternative Parents | |
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Substituents | - Acyl choline
- Fatty acid ester
- Fatty acyl
- 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 | Not Available |
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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 SectionsPredictor | Adduct Type | CCS Value (Å2) | Reference |
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DeepCCS | [M+H]+ | 190.942 | 30932474 | DeepCCS | [M-H]- | 188.391 | 30932474 | DeepCCS | [M-2H]- | 221.592 | 30932474 | DeepCCS | [M+Na]+ | 197.285 | 30932474 |
Predicted Kovats Retention IndicesUnderivatized |
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General References | - Elshenawy S, Pinney SE, Stuart T, Doulias PT, Zura G, Parry S, Elovitz MA, Bennett MJ, Bansal A, Strauss JF 3rd, Ischiropoulos H, Simmons RA: The Metabolomic Signature of the Placenta in Spontaneous Preterm Birth. Int J Mol Sci. 2020 Feb 4;21(3). pii: ijms21031043. doi: 10.3390/ijms21031043. [PubMed:32033212 ]
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