| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2005-11-16 15:48:42 UTC |
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| Update Date | 2023-02-21 17:14:53 UTC |
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| HMDB ID | HMDB0000509 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Senecioic acid |
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| Description | Senecioic acid, also known as 3-methylcrotonate, 3-methylcrotonic acid or 3,3-dimethylacrylic acid, belongs to the class of organic compounds known as methyl-branched fatty acids. These are fatty acids with an acyl chain that has a methyl branch. Usually, they are saturated (however senecioic acid is unsaturated) and contain only one or more methyl group. However, branches other than methyl may be present. Senecioic acid is a methyl-branched fatty acid that has a but-2-enoic acid skeleton bearing a methyl substituent at position 3. Senecioic acid is an unsaturated fatty acid found in the pheromones of mealybug species, the Madeira cockroach and the Southern long-nosed bat. It also appears in the urine of patients with 3-Methylcrotonic aciduria caused by 3-hydroxy-3-methylglutaryl-CoA lyase deficiency (PMID: 6157502 ) and those with 3-Hydroxy-3-methylglutaric aciduria (PMID: 947633 ). The appearance of 3-methylcrotonic acid in urine indicates a blockage in the sixth step of leucine catabolism, which is the cleavage of 3-hydroxy-3-methylglutaryl-CoA to acetoacetic acid and acetyl-CoA. |
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| Structure | InChI=1S/C5H8O2/c1-4(2)3-5(6)7/h3H,1-2H3,(H,6,7) |
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| Synonyms | | Value | Source |
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| 3,3-Dimethylacrylic acid | ChEBI | | 3-Methyl-2-butenoic acid | ChEBI | | 3-Methylcrotonic acid | ChEBI | | beta,beta-Dimethacrylic acid | ChEBI | | beta,beta-Dimethylacrylic acid | ChEBI | | beta-Methylcrotonic acid | ChEBI | | SENECIC ACID | ChEBI | | 3,3-Dimethylacrylate | Generator | | 3-Methyl-2-butenoate | Generator | | 3-Methylcrotonate | Generator | | b,b-Dimethacrylate | Generator | | b,b-Dimethacrylic acid | Generator | | beta,beta-Dimethacrylate | Generator | | Β,β-dimethacrylate | Generator | | Β,β-dimethacrylic acid | Generator | | b,b-Dimethylacrylate | Generator | | b,b-Dimethylacrylic acid | Generator | | beta,beta-Dimethylacrylate | Generator | | Β,β-dimethylacrylate | Generator | | Β,β-dimethylacrylic acid | Generator | | b-Methylcrotonate | Generator | | b-Methylcrotonic acid | Generator | | beta-Methylcrotonate | Generator | | Β-methylcrotonate | Generator | | Β-methylcrotonic acid | Generator | | SENECate | Generator | | Senecioate | Generator | | 3-Methyl-crotonate | HMDB | | 3-Methyl-crotonic acid | HMDB | | 3-Methylbut-2-enoate | HMDB | | 3-Methylbut-2-enoic acid | HMDB | | b,b-Dimethyl acrylate | HMDB | | b,b-Dimethyl acrylic acid | HMDB | | beta,beta-Dimethyl acrylate | HMDB | | Β,β-dimethyl acrylate | HMDB | | Β,β-dimethyl acrylic acid | HMDB | | Senecioic acid | ChEBI |
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| Chemical Formula | C5H8O2 |
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| Average Molecular Weight | 100.1158 |
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| Monoisotopic Molecular Weight | 100.0524295 |
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| IUPAC Name | 3-methylbut-2-enoic acid |
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| Traditional Name | β,β-dimethacrylate |
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| CAS Registry Number | 541-47-9 |
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| SMILES | CC(C)=CC(O)=O |
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| InChI Identifier | InChI=1S/C5H8O2/c1-4(2)3-5(6)7/h3H,1-2H3,(H,6,7) |
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| InChI Key | YYPNJNDODFVZLE-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as methyl-branched fatty acids. These are fatty acids with an acyl chain that has a methyl branch. Usually, they are saturated and contain only one or more methyl group. However, branches other than methyl may be present. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Fatty Acyls |
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| Sub Class | Fatty acids and conjugates |
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| Direct Parent | Methyl-branched fatty acids |
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| Alternative Parents | |
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| Substituents | - Methyl-branched fatty acid
- Unsaturated fatty acid
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- 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 | |
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| Disposition | |
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| Process | |
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| Role | |
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| Physical Properties |
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| State | Solid |
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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. | 2.95 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.0878 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.69 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 67.8 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1370.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 396.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 115.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 255.8 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 67.1 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 351.8 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 | 435.0 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 165.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 771.4 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 330.2 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 | 1004.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 253.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 319.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 572.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 321.1 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 | 170.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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| Synthesis Reference | Iordache, Florin; Badica, Sonia; Ionescu, Alina; Badea, Florin. Synthesis of b,b-dimethylacrylic acid and its methyl and ethyl esters. Revistade Chimie (Bucharest, Romania) (1979), 30(7), 629-32. |
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| General References | - Wysocki SJ, Wilkinson SP, Hahnel R, Wong CY, Panegyres PK: 3-Hydroxy-3-methylglutaric aciduria, combined with 3-methylglutaconic aciduria. Clin Chim Acta. 1976 Aug 2;70(3):399-406. [PubMed:947633 ]
- Duran M, Ketting D, Wadman SK, Jakobs C, Schutgens RB, Veder HA: Organic acid excretion in a patient with 3-hydroxy-3-methylglutaryl-CoA lyase deficiency: facts and artefacts. Clin Chim Acta. 1978 Dec 1;90(2):187-93. [PubMed:719902 ]
- Roth K, Cohn R, Yandrasitz J, Preti G, Dodd P, Segal S: Beta-methylcrotonic aciduria associated with lactic acidosis. J Pediatr. 1976 Feb;88(2):229-35. [PubMed:1249684 ]
- Jakobs C, Bojasch M, Duran M, Ketting D, Wadman SK, Leupold D: 3-methyl-3-butenoic acid: an artefact in the urinary metabolic pattern of patients with 3-hydroxy-3-methylglutaryl-CoA lyase deficiency. Clin Chim Acta. 1980 Sep 8;106(1):85-9. [PubMed:6157502 ]
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