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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2007-05-23 09:50:54 UTC
Update Date2022-03-07 02:49:31 UTC
HMDB IDHMDB0006455
Secondary Accession Numbers
  • HMDB06455
Metabolite Identification
Common NameArachidonoylcarnitine
DescriptionArachidonyl carnitine is an acylcarnitine. Numerous disorders have been described that lead to disturbances in energy production and in intermediary metabolism in the organism which are characterized by the production and excretion of unusual acylcarnitines. A mutation in the gene coding for carnitine-acylcarnitine translocase or the OCTN2 transporter aetiologically causes a carnitine deficiency that results in poor intestinal absorption of dietary L-carnitine, its impaired reabsorption by the kidney and, consequently, in increased urinary loss of L-carnitine. Determination of the qualitative pattern of acylcarnitines can be of diagnostic and therapeutic importance. The betaine structure of carnitine requires special analytical procedures for recording. The ionic nature of L-carnitine causes a high water solubility which decreases with increasing chain length of the ester group in the acylcarnitines. Therefore, the distribution of L-carnitine and acylcarnitines in various organs is defined by their function and their physico-chemical properties as well. High performance liquid chromatography (HPLC) permits screening for free and total carnitine, as well as complete quantitative acylcarnitine determination, including the long-chain acylcarnitine profile. (PMID: 17508264 , Monatshefte fuer Chemie (2005), 136(8), 1279-1291., Int J Mass Spectrom. 1999;188:39-52.).
Structure
Data?1614289310
Synonyms
ValueSource
Arachidonoyl carnitineHMDB
Arachidonyl carnitineHMDB
ArachidonylcarnitineHMDB
C20:4(N-6) CarnitineHMDB
O-ArachidonoylcarnitineHMDB
ArachidonoylcarnitineHMDB
Chemical FormulaC27H46NO4
Average Molecular Weight448.667
Monoisotopic Molecular Weight448.342135385
IUPAC Name(3R)-3-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyloxy]-4-(trimethylazaniumyl)butanoate
Traditional Name(3R)-3-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyloxy]-4-(trimethylammonio)butanoate
CAS Registry Number36816-11-2
SMILES
CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(=O)O[C@H](CC(O)=O)C[N+](C)(C)C
InChI Identifier
InChI=1S/C27H45NO4/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-27(31)32-25(23-26(29)30)24-28(2,3)4/h9-10,12-13,15-16,18-19,25H,5-8,11,14,17,20-24H2,1-4H3/p+1/b10-9-,13-12-,16-15-,19-18-/t25-/m1/s1
InChI KeyRBFQHRALHSUPIA-JTPUQHSZSA-O
Chemical Taxonomy
Description Belongs to the class of organic compounds known as acyl carnitines. These are organic compounds containing a fatty acid with the carboxylic acid attached to carnitine through an ester bond.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acid esters
Direct ParentAcyl carnitines
Alternative Parents
Substituents
  • Acyl-carnitine
  • Dicarboxylic acid or derivatives
  • Tetraalkylammonium salt
  • Quaternary ammonium salt
  • Carboxylic acid salt
  • Carboxylic acid ester
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organic salt
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Amine
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
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 Solubility1.3e-05 g/LALOGPS
logP1.76ALOGPS
logP2.36ChemAxon
logS-7.6ALOGPS
pKa (Strongest Acidic)4.24ChemAxon
pKa (Strongest Basic)-7.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area66.43 ŲChemAxon
Rotatable Bond Count20ChemAxon
Refractivity159.95 m³·mol⁻¹ChemAxon
Polarizability53.39 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
DeepCCS[M+H]+239.96830932474
DeepCCS[M-H]-237.57330932474
DeepCCS[M-2H]-270.45830932474
DeepCCS[M+Na]+245.88130932474

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
ArachidonoylcarnitineCCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(=O)O[C@H](CC(O)=O)C[N+](C)(C)C4001.6Standard polar33892256
ArachidonoylcarnitineCCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(=O)O[C@H](CC(O)=O)C[N+](C)(C)C2665.9Standard non polar33892256
ArachidonoylcarnitineCCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(=O)O[C@H](CC(O)=O)C[N+](C)(C)C3084.1Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Arachidonoylcarnitine,1TMS,isomer #1CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](CC(=O)O[Si](C)(C)C)C[N+](C)(C)C3119.5Semi standard non polar33892256
Arachidonoylcarnitine,1TBDMS,isomer #1CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](CC(=O)O[Si](C)(C)C(C)(C)C)C[N+](C)(C)C3368.7Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Arachidonoylcarnitine 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 - Arachidonoylcarnitine 10V, Positive-QTOFsplash10-0002-0000900000-7de8aad25191fedff5d72021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Arachidonoylcarnitine 20V, Positive-QTOFsplash10-000j-9000500000-cab319522381dc70cd822021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Arachidonoylcarnitine 40V, Positive-QTOFsplash10-000i-9000000000-e9262cbaff8cb4ad0ba62021-09-23Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
  • Membrane
  • Mitochondria
Biospecimen Locations
  • Blood
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothNormal details
UrineDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB023916
KNApSAcK IDNot Available
Chemspider ID71080955
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound136212424
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Pierre G, Macdonald A, Gray G, Hendriksz C, Preece MA, Chakrapani A: Prospective treatment in carnitine-acylcarnitine translocase deficiency. J Inherit Metab Dis. 2007 Oct;30(5):815. Epub 2007 May 12. [PubMed:17508264 ]