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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-10 21:30:27 UTC
Update Date2021-09-26 22:52:01 UTC
HMDB IDHMDB0244343
Secondary Accession NumbersNone
Metabolite Identification
Common Name3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid
DescriptionTretinoin belongs to the class of organic compounds known as retinoids. These are oxygenated derivatives of 3,7-dimethyl-1-(2,6,6-trimethylcyclohex-1-enyl)nona-1,3,5,7-tetraene and derivatives thereof. Based on a literature review a significant number of articles have been published on Tretinoin. This compound has been identified in human blood as reported by (PMID: 31557052 ). 3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
(all-e)-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoateHMDB
(all-e)-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoic acidHMDB
3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoateHMDB
3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoic acidHMDB
all-(e)-RetinoateHMDB
all-(e)-Retinoic acidHMDB
all-trans-RetinoateHMDB
all-trans-TretinoinHMDB
all-trans-Vitamin a acidHMDB
all-trans-Vitamin a1 acidHMDB
beta-RetinoateHMDB
beta-Retinoic acidHMDB
RetinoateHMDB, Generator
Retinoic acidHMDB
trans-RetinoateHMDB
trans-Retinoic acidHMDB
Tretin mHMDB
Vitamin a acidHMDB
Chemical FormulaC20H28O2
Average Molecular Weight300.4351
Monoisotopic Molecular Weight300.20893014
IUPAC Name3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid
Traditional Nameisotretinoin
CAS Registry NumberNot Available
SMILES
CC(C=CC1=C(C)CCCC1(C)C)=CC=CC(C)=CC(O)=O
InChI Identifier
InChI=1S/C20H28O2/c1-15(8-6-9-16(2)14-19(21)22)11-12-18-17(3)10-7-13-20(18,4)5/h6,8-9,11-12,14H,7,10,13H2,1-5H3,(H,21,22)
InChI KeySHGAZHPCJJPHSC-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as retinoids. These are oxygenated derivatives of 3,7-dimethyl-1-(2,6,6-trimethylcyclohex-1-enyl)nona-1,3,5,7-tetraene and derivatives thereof.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassRetinoids
Direct ParentRetinoids
Alternative Parents
Substituents
  • Retinoic acid
  • Diterpenoid
  • Retinoid skeleton
  • Medium-chain fatty acid
  • Branched fatty acid
  • Methyl-branched fatty acid
  • Fatty acyl
  • Unsaturated fatty acid
  • Fatty acid
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organic oxide
  • Organic oxygen compound
  • Carbonyl group
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
Ontology
Not AvailableNot 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
logP5.66ALOGPS
logP5.01ChemAxon
logS-4.8ALOGPS
pKa (Strongest Acidic)5ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity97.79 m³·mol⁻¹ChemAxon
Polarizability36.93 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+178.68630932474
DeepCCS[M-H]-176.32830932474
DeepCCS[M-2H]-209.21430932474
DeepCCS[M+Na]+184.77930932474
AllCCS[M+H]+177.632859911
AllCCS[M+H-H2O]+174.432859911
AllCCS[M+NH4]+180.532859911
AllCCS[M+Na]+181.432859911
AllCCS[M-H]-181.132859911
AllCCS[M+Na-2H]-181.732859911
AllCCS[M+HCOO]-182.532859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acidCC(C=CC1=C(C)CCCC1(C)C)=CC=CC(C)=CC(O)=O3735.6Standard polar33892256
3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acidCC(C=CC1=C(C)CCCC1(C)C)=CC=CC(C)=CC(O)=O2481.2Standard non polar33892256
3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acidCC(C=CC1=C(C)CCCC1(C)C)=CC=CC(C)=CC(O)=O2553.2Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-052r-2090000000-042d6c8da37c5b736cfa2017-08-28Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid GC-MS (1 TMS) - 70eV, Positivesplash10-0a4i-5149000000-4f0fac256bde7ca831e82017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 10V, Positive-QTOFsplash10-001i-0292000000-d33635530f180450e1d22017-07-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 20V, Positive-QTOFsplash10-052r-2980000000-91b01d40cb2d53ade7882017-07-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 40V, Positive-QTOFsplash10-052r-6900000000-e8ee88445887714c29292017-07-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 10V, Negative-QTOFsplash10-052b-0090000000-7146b69cef1cebea398a2017-07-26Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 20V, Negative-QTOFsplash10-0a5a-0090000000-f3edd439be98fc8297562017-07-26Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 40V, Negative-QTOFsplash10-053i-3590000000-16f203d5650126f7d77d2017-07-26Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 10V, Positive-QTOFsplash10-0zir-0973000000-3040e9e4a1a5448efbcb2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 20V, Positive-QTOFsplash10-060c-1950000000-f3b9c9b378f60b8c49a92021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 40V, Positive-QTOFsplash10-0ar3-5910000000-de22eb65f274483f3f982021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 10V, Negative-QTOFsplash10-052b-0090000000-5f942e3b870e7bd0121b2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 20V, Negative-QTOFsplash10-0a4i-0190000000-22b445382d39772800452021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid 40V, Negative-QTOFsplash10-016r-4900000000-0005b37f6d54a42a84f62021-10-12Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDDB00755
Phenol Explorer Compound IDNot Available
FooDB IDFDB023843
KNApSAcK IDNot Available
Chemspider ID5337
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkTretinoin
METLIN IDNot Available
PubChem Compound5538
PDB IDNot Available
ChEBI ID26536
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. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]