Record Information
Version1.0
Creation Date2014-09-05 17:14:19 UTC
Update Date2026-04-04 02:25:26 UTC
Accession NumberCHEM003575
Identification
Common NamePentacosanoic acid
ClassSmall Molecule
DescriptionPentacosanoic acid is a saturated fatty acid. Research shows that the degree of demyelination was related to the pentacosanoic acid in a patient with adrenoleukodystrophy (1).
Contaminant Sources
  • FooDB Chemicals
  • HMDB Contaminants - Feces
  • T3DB toxins
Contaminant Type
  • Animal Toxin
  • Food Toxin
  • Metabolite
  • Natural Compound
  • Organic Compound
Chemical Structure
Thumb
Synonyms
ValueSource
PentacosanoateGenerator
HyenateHMDB, Generator
Hyenic acidHMDB
N-PentacosanoateHMDB
N-Pentacosanoic acidHMDB
Chemical FormulaC25H50O2
Average Molecular Mass382.663 g/mol
Monoisotopic Mass382.381 g/mol
CAS Registry Number506-38-7
IUPAC NameNot Available
Traditional Namepentacosanoic acid
SMILESCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O
InChI IdentifierInChI=1S/C25H50O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25(26)27/h2-24H2,1H3,(H,26,27)
InChI KeyMWMPEAHGUXCSMY-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as very long-chain fatty acids. These are fatty acids with an aliphatic tail that contains at least 22 carbon atoms.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentVery long-chain fatty acids
Alternative Parents
Substituents
  • Very long-chain fatty acid
  • Straight chain 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
Biological Properties
StatusDetected and Not Quantified
OriginEndogenous
Cellular Locations
  • Extracellular
  • Membrane
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateSolid
AppearanceWhite powder.
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility2.0e-05 g/LALOGPS
logP9.73ALOGPS
logP10.26ChemAxon
logS-7.3ALOGPS
pKa (Strongest Acidic)4.95ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count23ChemAxon
Refractivity118.49 m³·mol⁻¹ChemAxon
Polarizability53.74 ųChemAxon
Number of Rings0ChemAxon
Bioavailability0ChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
GC-MSGC-MS Spectrum - GC-MS (1 TMS)splash10-0159-2900000000-6665b7d9eabf93c4a945Spectrum
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-0159-2900000000-6665b7d9eabf93c4a945Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-052f-8890000000-725d043b2157b24da3a4Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-0079-9550000000-96d63a4885fdd0544165Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-001i-0009000000-800d2e5558f9293777f2Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014i-0009000000-f070114e9b2a4bbf6679Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00yr-3339000000-b176744191f8a42e707bSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-006x-5972000000-b415c1ccaa8f4d57a529Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-001i-0009000000-8dfc981003ca4996a489Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-01qi-0009000000-ef611c789ccafd81219eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0a4l-9113000000-8f4bec5516a767891061Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-001i-0009000000-df18d224d3bce420cd79Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-01q9-1009000000-397f2820fbfdd63fd68fSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9012000000-d56100016e8ed9e82fc1Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00lr-2009000000-8d7bf9f66523c92f4b8eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-066r-8049000000-b0deb3a758569827538aSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4l-9000000000-c5daab40fd34bd311784Spectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
2D NMR[1H,13C] 2D NMR SpectrumNot AvailableSpectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)No indication of carcinogenicity to humans (not listed by IARC).
Uses/SourcesThis is an endogenously produced metabolite found in the human body. It is used in metabolic reactions, catabolic reactions or waste generation.
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDHMDB0002361
FooDB IDFDB003081
Phenol Explorer IDNot Available
KNApSAcK IDC00057417
BiGG IDNot Available
BioCyc IDNot Available
METLIN ID4209
PDB IDNot Available
Wikipedia LinkPentacosylic acid
Chemspider ID10036
ChEBI ID39420
PubChem Compound ID10468
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceCason, James; Wolfhagen, Helen J.; Tarpey, Winifred; Adams, Raylene E. Branched chain fatty acids. X. Synthesis of acids with branching methyl groups near the carboxyl. Journal of Organic Chemistry (1949), 14 147-54.
MSDSLink
General References
1. Cason, James; Wolfhagen, Helen J.; Tarpey, Winifred; Adams, Raylene E. Branched chain fatty acids. X. Synthesis of acids with branching methyl groups near the carboxyl. Journal of Organic Chemistry (1949), 14 147-54.
2. Reinecke CJ, Knoll DP, Pretorius PJ, Steyn HS, Simpson RH: The correlation between biochemical and histopathological findings in adrenoleukodystrophy. J Neurol Sci. 1985 Aug;70(1):21-38.
3. Tao RV, Lee BC, Hsieh TC, Laine RA: Occurrence of an unusual amount of an odd-numbered fatty acid in glycosphingolipids from human cataracts. Curr Eye Res. 1987 Dec;6(12):1361-7.