| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-11 17:42:57 UTC |
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| Update Date | 2023-02-21 17:20:30 UTC |
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| HMDB ID | HMDB0031407 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Cyclopentanone |
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| Description | Cyclopentanone belongs to the class of organic compounds known as ketones. These are organic compounds in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol. Cyclopentanone is a very hydrophobic molecule, practically insoluble in water, and relatively neutral. Thus, cyclopentanone is considered to be an oxygenated hydrocarbon lipid molecule. Cyclopentanone is a cyclic ketone, structurally similar to cyclopentane, consisting of a five-membered ring containing a ketone functional group. Cyclopentanone is a colorless liquid organic compound with a peppermint-like odor. Cyclopentanone is found in various foods, including potato and tomato, and cooked foods, e.g. butter, meats, coffee, roasted peanut. Cyclopentanone is also used as a flavouring ingredient. |
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| Structure | InChI=1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2 |
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| Synonyms | | Value | Source |
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| Ketocyclopentane | ChEBI | | Ketopentamethylene | ChEBI | | Oxocyclopentane | ChEBI | | 3-Acetyl-6-methyl-pyran-2,4(3H)-dione | HMDB | | Adipic ketone | HMDB | | Adipinketon | HMDB | | CP | HMDB | | Dumasin | HMDB | | Dumasine | HMDB | | FEMA 3910 | HMDB |
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| Chemical Formula | C5H8O |
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| Average Molecular Weight | 84.1164 |
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| Monoisotopic Molecular Weight | 84.057514878 |
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| IUPAC Name | cyclopentanone |
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| Traditional Name | cyclopentanone |
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| CAS Registry Number | 120-92-3 |
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| SMILES | O=C1CCCC1 |
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| InChI Identifier | InChI=1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2 |
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| InChI Key | BGTOWKSIORTVQH-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as cyclic ketones. These are organic compounds containing a ketone that is conjugated to a cyclic moiety. |
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| Kingdom | Organic compounds |
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| Super Class | Organic oxygen compounds |
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| Class | Organooxygen compounds |
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| Sub Class | Carbonyl compounds |
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| Direct Parent | Cyclic ketones |
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| Alternative Parents | |
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| Substituents | - Cyclic ketone
- Organic oxide
- Hydrocarbon derivative
- Aliphatic homomonocyclic compound
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| Molecular Framework | Aliphatic homomonocyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Not Available | Not Available |
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| Physical Properties |
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| State | Liquid |
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| Experimental Molecular Properties | |
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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 Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 2.43 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.6294 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 5.11 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1450.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 442.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 157.6 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 298.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 260.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 380.5 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 475.6 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 151.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 975.8 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 293.0 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 945.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 267.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 328.8 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 550.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 405.9 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 146.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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