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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2017-10-09 16:50:29 UTC
Update Date2023-02-21 17:33:45 UTC
HMDB IDHMDB0170858
Secondary Accession NumbersNone
Metabolite Identification
Common Name3-Methylbut-3-enoic acid
Description3-Methylbut-3-enoic acid, also known as isopropenylacetate or 3-​methylvinylacetic 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 and contain only one or more methyl group. However, branches other than methyl may be present. Based on a literature review very few articles have been published on 3-Methylbut-3-enoic acid.
Structure
Data?1677000825
Synonyms
ValueSource
3-Methylbut-3-enoateGenerator
IsopropenylacetateHMDB
3-​methylvinylacetic acidHMDB
3-​methylene-butanoic acidHMDB
3-Methyl-3-butenoic acidHMDB
Chemical FormulaC5H8O2
Average Molecular Weight100.117
Monoisotopic Molecular Weight100.052429498
IUPAC Name3-methylbut-3-enoic acid
Traditional Nameisopropenylacetic acid
CAS Registry Number1617-31-8
SMILES
CC(=C)CC(O)=O
InChI Identifier
InChI=1S/C5H8O2/c1-4(2)3-5(6)7/h1,3H2,2H3,(H,6,7)
InChI KeyIGRURXZWJCSNKU-UHFFFAOYSA-N
Chemical Taxonomy
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.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentMethyl-branched fatty acids
Alternative Parents
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
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
logP0.8ALOGPS
logP0.86ChemAxon
logS0ALOGPS
pKa (Strongest Acidic)4.83ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity26.2 m³·mol⁻¹ChemAxon
Polarizability10.25 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
AllCCS[M-H]-123.21231661259
AllCCS[M+H]+124.40731661259
DeepCCS[M+H]+129.41630932474
DeepCCS[M-H]-126.65530932474
DeepCCS[M-2H]-162.97430932474
DeepCCS[M+Na]+137.83830932474
AllCCS[M+H]+124.432859911
AllCCS[M+H-H2O]+120.132859911
AllCCS[M+NH4]+128.532859911
AllCCS[M+Na]+129.632859911
AllCCS[M-H]-123.232859911
AllCCS[M+Na-2H]-127.132859911
AllCCS[M+HCOO]-131.432859911

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
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, 2022.2.61 minutes32390414
Predicted by Siyang on May 30, 202210.2472 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20223.72 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid1241.5 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid369.0 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid115.8 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid234.9 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid69.5 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid312.2 seconds40023050
BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid421.5 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)118.7 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid734.6 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid288.7 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid957.0 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid249.0 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid290.2 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate518.7 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA290.2 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water137.7 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
3-Methylbut-3-enoic acidCC(=C)CC(O)=O1644.1Standard polar33892256
3-Methylbut-3-enoic acidCC(=C)CC(O)=O844.3Standard non polar33892256
3-Methylbut-3-enoic acidCC(=C)CC(O)=O890.7Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
3-Methylbut-3-enoic acid,1TMS,isomer #1C=C(C)CC(=O)O[Si](C)(C)C948.9Semi standard non polar33892256
3-Methylbut-3-enoic acid,1TBDMS,isomer #1C=C(C)CC(=O)O[Si](C)(C)C(C)(C)C1158.9Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 3-Methylbut-3-enoic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-0k9f-9000000000-3dfa14231be969307d142018-04-09Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3-Methylbut-3-enoic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3-Methylbut-3-enoic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 10V, Positive-QTOFsplash10-001i-9200000000-60e1c1aebd5372da59eb2018-04-05Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 20V, Positive-QTOFsplash10-0a4l-9000000000-29bc33769a3b2f751f672018-04-05Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 40V, Positive-QTOFsplash10-0a4r-9000000000-9ae54a814fcd167b47b42018-04-05Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 10V, Negative-QTOFsplash10-052b-9000000000-c265d1766b7b797776ef2018-04-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 20V, Negative-QTOFsplash10-0a5a-9000000000-ff30a8a46167c9aadbc02018-04-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 40V, Negative-QTOFsplash10-0a59-9000000000-e15a364142f5de030c632018-04-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 10V, Negative-QTOFsplash10-0002-9000000000-5289cc75fe7aae11de792021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 20V, Negative-QTOFsplash10-000t-9000000000-665649a7a636b4a18f2b2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 40V, Negative-QTOFsplash10-00kf-9000000000-6ee087da280d4e1fbea82021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 10V, Positive-QTOFsplash10-000x-9000000000-fe872a6cb1845b29a4c82021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 20V, Positive-QTOFsplash10-052f-9000000000-f61e5c9f6c467f2bb3772021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Methylbut-3-enoic acid 40V, Positive-QTOFsplash10-000l-9000000000-fd325c57365f4f34ff7a2021-09-22Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-)2023-02-04FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-04FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-04FELIX labView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
UrineDetected but not QuantifiedNot QuantifiedNot SpecifiedNot Specified3-hydroxy-3-methylglutaryl-CoA Lyase Deficiency details
Associated Disorders and Diseases
Disease References
3-Hydroxy-3-methylglutaryl-CoA lyase deficiency
  1. 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 ]
Associated OMIM IDs
  • 246450 (3-Hydroxy-3-methylglutaryl-CoA lyase deficiency)
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID369638
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound417575
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1080361
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. 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 ]