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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2012-09-11 17:32:20 UTC
Update Date2023-02-21 17:19:11 UTC
HMDB IDHMDB0029738
Secondary Accession Numbers
  • HMDB29738
Metabolite Identification
Common NameIndole-3-methyl acetate
DescriptionIndole-3-methyl acetate, also known as methyl indole-3-acetate (methyl-IAA), is a catabolite of tryptophan converted by the gut microbiota. After absorption through the intestinal epithelium, tryptophan catabolites enter the bloodstream and are later excreted in the urine (PMID: 30120222 ). Pediatric enthesitis-related arthritis (ERA) patients (i.e. spondyloarthropathy associated with inflammatory bowel disease) have intestinal inflammation and decreased gut microbial diversity. Such alterations in the gut microbiota resulted in the reduction of tryptophan metabolism and several tryptophan metabolites in pediatric ERA fecal samples, including indole-3-methyl acetate (PMID: 27786174 ). Indole-3-methyl acetate is found in apple, and has been isolated from immature seeds of beach pea (Lathyrus maritimus), Vicia amurensis, wild soybean (Glycine soja), lobiya (Vigna catiang var. sinensis) and hyacinth bean (Dolichos lablab).
Structure
Thumb
Synonyms
Chemical FormulaC11H11NO2
Average Molecular Weight189.2105
Monoisotopic Molecular Weight189.078978601
IUPAC Namemethyl 2-(1H-indol-3-yl)acetate
Traditional Namemethyl 1H-indol-3-ylacetate
CAS Registry Number1912-33-0
SMILES
COC(=O)CC1=CNC2=C1C=CC=C2
InChI Identifier
InChI=1S/C11H11NO2/c1-14-11(13)6-8-7-12-10-5-3-2-4-9(8)10/h2-5,7,12H,6H2,1H3
InChI KeyKTHADMDGDNYQRX-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as indole-3-acetic acid derivatives. Indole-3-acetic acid derivatives are compounds containing an acetic acid (or a derivative) linked to the C3 carbon atom of an indole.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassIndoles and derivatives
Sub ClassIndolyl carboxylic acids and derivatives
Direct ParentIndole-3-acetic acid derivatives
Alternative Parents
Substituents
  • Indole-3-acetic acid derivative
  • 3-alkylindole
  • Indole
  • Substituted pyrrole
  • Benzenoid
  • Heteroaromatic compound
  • Methyl ester
  • Pyrrole
  • Carboxylic acid ester
  • Azacycle
  • Monocarboxylic acid or derivatives
  • Carboxylic acid derivative
  • Carbonyl group
  • Organopnictogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxygen compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point125 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic Properties

Experimental Collision Cross Sections

Adduct TypeData SourceCCS Value (Å2)Reference
[M+H]+Not Available138.7http://allccs.zhulab.cn/database/detail?ID=AllCCS00002172
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Membrane
Biospecimen Locations
  • Blood
  • Feces
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothNormal details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
FecesDetected but not QuantifiedNot QuantifiedChildren (1-13 years old)BothNormal details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedChildren (1-13 years old)BothEnthesitis-related arthritis details
UrineDetected and Quantified0.768 umol/mmol creatinineAdult (>18 years old)Female
Pregnancy
details
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB000936
KNApSAcK IDC00000101
Chemspider ID67279
KEGG Compound IDNot Available
BioCyc IDCPD-10546
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound74706
PDB IDNot Available
ChEBI ID72782
Food Biomarker OntologyNot Available
VMH IDCE2122
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Stoll ML, Kumar R, Lefkowitz EJ, Cron RQ, Morrow CD, Barnes S: Fecal metabolomics in pediatric spondyloarthritis implicate decreased metabolic diversity and altered tryptophan metabolism as pathogenic factors. Genes Immun. 2016 Dec;17(7):400-405. doi: 10.1038/gene.2016.38. Epub 2016 Oct 27. [PubMed:27786174 ]
  2. Roager HM, Licht TR: Microbial tryptophan catabolites in health and disease. Nat Commun. 2018 Aug 17;9(1):3294. doi: 10.1038/s41467-018-05470-4. [PubMed:30120222 ]
  3. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .