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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2008-10-16 22:29:05 UTC
Update Date2023-02-21 17:17:27 UTC
HMDB IDHMDB0011111
Secondary Accession Numbers
  • HMDB0011666
  • HMDB11111
  • HMDB11666
Metabolite Identification
Common NameMalonic semialdehyde
DescriptionMalonic semialdehyde belongs to the class of organic compounds known as 1,3-dicarbonyl compounds. These are carbonyl compounds with the generic formula O=C(R)C(H)C(R')=O, where R and R' can be any group. Malonic semialdehyde is an extremely weak basic (essentially neutral) compound (based on its pKa). Malonic semialdehyde exists in all living organisms, ranging from bacteria to humans. malonic semialdehyde and L-glutamic acid can be biosynthesized from β-alanine and oxoglutaric acid through its interaction with the enzyme 4-aminobutyrate aminotransferase, mitochondrial. In humans, malonic semialdehyde is involved in beta-alanine metabolism.
Structure
Data?1676999847
Synonyms
ValueSource
Malonate semialdehydeKegg
Malonic acid semialdehydeGenerator
Formylacetic acidChEBI
FormylacetateGenerator
3-OxopropanoateHMDB
3-Oxopropanoic acidHMDB
3-Oxopropionic acidHMDB
Formyl acetateHMDB
Formyl acetic acidHMDB
Malonaldehydic acidHMDB
Malonic semialdehyde sodium saltMeSH, HMDB
Chemical FormulaC3H4O3
Average Molecular Weight88.0621
Monoisotopic Molecular Weight88.016043994
IUPAC Name3-oxopropanoic acid
Traditional Name3-oxopropanoic acid
CAS Registry Number926-61-4
SMILES
OC(=O)CC=O
InChI Identifier
InChI=1S/C3H4O3/c4-2-1-3(5)6/h2H,1H2,(H,5,6)
InChI KeyOAKURXIZZOAYBC-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 1,3-dicarbonyl compounds. These are carbonyl compounds with the generic formula O=C(R)C(H)C(R')=O, where R and R' can be any group.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbonyl compounds
Direct Parent1,3-dicarbonyl compounds
Alternative Parents
Substituents
  • 1,3-dicarbonyl compound
  • Alpha-hydrogen aldehyde
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxide
  • Hydrocarbon derivative
  • Short-chain aldehyde
  • Aldehyde
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Not AvailableNot Available
Physical Properties
StateSolid
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
Water Solubility251 g/LALOGPS
logP-0.69ALOGPS
logP-0.49ChemAxon
logS0.46ALOGPS
pKa (Strongest Acidic)3.76ChemAxon
pKa (Strongest Basic)-7.2ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area54.37 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity18.06 m³·mol⁻¹ChemAxon
Polarizability7.27 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+115.42331661259
DarkChem[M-H]-110.78431661259
DeepCCS[M+H]+120.53330932474
DeepCCS[M-H]-118.47530932474
DeepCCS[M-2H]-154.24630932474
DeepCCS[M+Na]+128.74530932474
AllCCS[M+H]+123.932859911
AllCCS[M+H-H2O]+119.532859911
AllCCS[M+NH4]+128.032859911
AllCCS[M+Na]+129.232859911
AllCCS[M-H]-123.632859911
AllCCS[M+Na-2H]-128.232859911
AllCCS[M+HCOO]-133.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Malonic semialdehydeOC(=O)CC=O2043.4Standard polar33892256
Malonic semialdehydeOC(=O)CC=O749.4Standard non polar33892256
Malonic semialdehydeOC(=O)CC=O883.1Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Malonic semialdehyde,1TMS,isomer #1C[Si](C)(C)OC(=O)CC=O987.9Semi standard non polar33892256
Malonic semialdehyde,1TMS,isomer #2C[Si](C)(C)OC=CC(=O)O1110.4Semi standard non polar33892256
Malonic semialdehyde,2TMS,isomer #1C[Si](C)(C)OC=CC(=O)O[Si](C)(C)C1174.2Semi standard non polar33892256
Malonic semialdehyde,2TMS,isomer #1C[Si](C)(C)OC=CC(=O)O[Si](C)(C)C1115.9Standard non polar33892256
Malonic semialdehyde,2TMS,isomer #1C[Si](C)(C)OC=CC(=O)O[Si](C)(C)C1215.2Standard polar33892256
Malonic semialdehyde,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)CC=O1233.0Semi standard non polar33892256
Malonic semialdehyde,1TBDMS,isomer #2CC(C)(C)[Si](C)(C)OC=CC(=O)O1358.1Semi standard non polar33892256
Malonic semialdehyde,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC=CC(=O)O[Si](C)(C)C(C)(C)C1609.9Semi standard non polar33892256
Malonic semialdehyde,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC=CC(=O)O[Si](C)(C)C(C)(C)C1567.3Standard non polar33892256
Malonic semialdehyde,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC=CC(=O)O[Si](C)(C)C(C)(C)C1522.3Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Malonic semialdehyde GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-9000000000-af40c902eb15697860c12017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Malonic semialdehyde GC-MS (1 TMS) - 70eV, Positivesplash10-00dv-9400000000-22ee45c5b87f3f02ca9c2017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Malonic semialdehyde 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 - Malonic semialdehyde 10V, Positive-QTOFsplash10-00di-9000000000-60b5c86a7fc98a3aad0c2015-05-27Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 20V, Positive-QTOFsplash10-006x-9000000000-3c3b0812b6c639b6f7842015-05-27Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 40V, Positive-QTOFsplash10-00dl-9000000000-1cdf7a37f821d563d8422015-05-27Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 10V, Negative-QTOFsplash10-000i-9000000000-bdca8db935b372ea88142015-05-27Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 20V, Negative-QTOFsplash10-00kf-9000000000-12b3bc39c58c4350baaa2015-05-27Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 40V, Negative-QTOFsplash10-0006-9000000000-ad063699951a4021dc2a2015-05-27Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 10V, Negative-QTOFsplash10-000i-9000000000-95d56443f4ea3bb3e2262021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 20V, Negative-QTOFsplash10-066u-9000000000-d51b6071e071006aea6d2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 40V, Negative-QTOFsplash10-0006-9000000000-47f01d70ed657922be532021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 10V, Positive-QTOFsplash10-0006-9000000000-87bbaed151efac0845912021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 20V, Positive-QTOFsplash10-0006-9000000000-87bbaed151efac0845912021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Malonic semialdehyde 40V, Positive-QTOFsplash10-0006-9000000000-6a46f602b8aa1b7b70b52021-09-22Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-03FELIX labView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB027893
KNApSAcK IDNot Available
Chemspider ID845
KEGG Compound IDC00222
BioCyc IDMALONATE-S-ALD
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound868
PDB IDNot Available
ChEBI ID17960
Food Biomarker OntologyNot Available
VMH IDMSA
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Scholem RD, Brown GK: Metabolism of malonic semialdehyde in man. Biochem J. 1983 Oct 15;216(1):81-5. [PubMed:6418146 ]

Enzymes

General function:
Involved in oxidoreductase activity
Specific function:
Plays a role in valine and pyrimidine metabolism. Binds fatty acyl-CoA.
Gene Name:
ALDH6A1
Uniprot ID:
Q02252
Molecular weight:
57839.31
Reactions
Malonic semialdehyde + Coenzyme A + NAD(P)(+) → Acetyl-CoA + CO(2) + NAD(P)Hdetails
Malonic semialdehyde + Coenzyme A + NAD → Acetyl-CoA + Carbon dioxide + NADH + Hydrogen Iondetails
Malonic semialdehyde + Coenzyme A + NADP → Acetyl-CoA + Carbon dioxide + NADPH + Hydrogen Iondetails
Malonic semialdehyde + Coenzyme A + NADP → Malonyl-CoA + NADPH + Hydrogen Iondetails
General function:
Involved in 4-aminobutyrate transaminase activity
Specific function:
Catalyzes the conversion of gamma-aminobutyrate and L-beta-aminoisobutyrate to succinate semialdehyde and methylmalonate semialdehyde, respectively. Can also convert delta-aminovalerate and beta-alanine.
Gene Name:
ABAT
Uniprot ID:
P80404
Molecular weight:
56438.405
Reactions
beta-Alanine + Oxoglutaric acid → Malonic semialdehyde + L-Glutamic aciddetails