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Record Information
Version2.0
Created at2022-09-08 14:19:13 UTC
Updated at2022-09-08 14:19:13 UTC
NP-MRD IDNP0269010
Secondary Accession NumbersNone
Natural Product Identification
Common Name3-dehydroretinal
DescriptionVitamin A2 aldehyde, also known as 3-dehydroretinal or alpha-retinene, 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. Thus, vitamin A2 aldehyde is considered to be an isoprenoid lipid molecule. Vitamin A2 aldehyde is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Outside of the human body, Vitamin A2 aldehyde has been detected, but not quantified in, fishes. This could make vitamin A2 aldehyde a potential biomarker for the consumption of these foods. 3-dehydroretinal is found in Watasenia scintillans. A retinal which contains an additional double bond between the 3 and 4 positions of the six-membered ring, and in which all of the double bonds in the side chain have the E-configuration.
Structure
Thumb
Synonyms
ValueSource
(all-e)-3,7-Dimethyl-9-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4,6,8-nonatetraenalChEBI
3,4-DidehydroretinalChEBI
3-DehydroretinalChEBI
3-DehydroretinaldehydeChEBI
all-trans-3,4-DehydroretinalChEBI
all-trans-3,4-DidehydroretinalChEBI
DehydroretinalChEBI
DehydroretinaldehydChEBI
DehydroretinaldehydeChEBI
Retinene 2ChEBI
trans-3-DehydroretinalChEBI
alpha-RetineneKegg
all-trans-3-DehydroretinalKegg
a-RetineneGenerator
Α-retineneGenerator
all-trans-DehydroretinalHMDB
DidehydroretinalHMDB
Retinene2HMDB
Vitamin a2 aldehydeChEBI
Chemical FormulaC20H26O
Average Mass282.4198 Da
Monoisotopic Mass282.19837 Da
IUPAC Name(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)nona-2,4,6,8-tetraenal
Traditional Nameα-retinene
CAS Registry NumberNot Available
SMILES
C\C(\C=C\C=C(/C)\C=C\C1=C(C)C=CCC1(C)C)=C/C=O
InChI Identifier
InChI=1S/C20H26O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6-13,15H,14H2,1-5H3/b9-6+,12-11+,16-8+,17-13+
InChI KeyQHNVWXUULMZJKD-OVSJKPMPSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Watasenia scintillansLOTUS Database
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
  • Retinoid skeleton
  • Diterpenoid
  • Enal
  • Alpha,beta-unsaturated aldehyde
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aldehyde
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP6.23ALOGPS
logP4.49ChemAxon
logS-4.6ALOGPS
pKa (Strongest Basic)-4.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity97.98 m³·mol⁻¹ChemAxon
Polarizability35.17 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0035695
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB014413
KNApSAcK IDNot Available
Chemspider ID4444397
KEGG Compound IDC05918
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5280866
PDB IDNot Available
ChEBI ID28537
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]