Record Information
Version1.0
Created at2020-03-19 00:43:39 UTC
Updated at2020-12-07 19:07:31 UTC
CannabisDB IDCDB000558
Secondary Accession NumbersNot Available
Cannabis Compound Identification
Common Namealpha-Terpineol
Descriptionα-Terpineol, also known as terpineol or p-menth-1-en-8-ol, belongs to the class of organic compounds known as menthane monoterpenoids. These are monoterpenoids with a structure based on the o-, m-, or p-menthane backbone. p-Menthane consists of the cyclohexane ring with a methyl group and an isopropyl group at positions 1 and 4 of ring, respectively. The o- and m-menthanes are much rarer, and presumably arise by alkyl migration of p-menthanes. Monoterpenoids are terpenes that contain 10 carbon atoms and are comprised of two isoprene units. The biosynthesis of monoterpenes is known to occur mainly through the methyl-eritritol-phosphate (MEP) pathway in the plastids. Geranyl diphosphate (GPP) is a key intermediate in the biosynthesis of cyclic monoterpenes. GPP undergoes several cyclization reactions to yield a diverse number of cyclic arrangements. There are three known terpineol isomers including α, β, and γ-terpineol, with the last two differing only by the location of the double bond. Terpineol is usually a mixture of these isomers with α-terpineol as the major constituent. Alpha-Terpineol is a very hydrophobic molecule, practically insoluble in water, but soluble in organic solvents such as methanol, ethanol and ethylacetate. Terpineol has been isolated from a variety of sources such as cajuput oil, pine oil, and petitgrain oil. α-Terpineol has also been detected as a volatile component of cannabis plants (PMID: 6991645 , 26657499 ).
Structure
Thumb
Synonyms
ValueSource
(+)-p-Menth-1-en-8-olChEBI
(1R)-alpha,alpha,4-Trimethyl-3-cyclohexene-1-methanolChEBI
(R)-alpha,alpha,4-Trimethylcyclohex-3-ene-1-methanolChEBI
(R)-alpha-TerpineolChEBI
(+)-alpha-TerpineolKegg
(1R)-a,a,4-Trimethyl-3-cyclohexene-1-methanolGenerator
(1R)-Α,α,4-trimethyl-3-cyclohexene-1-methanolGenerator
(R)-a,a,4-Trimethylcyclohex-3-ene-1-methanolGenerator
(R)-Α,α,4-trimethylcyclohex-3-ene-1-methanolGenerator
(R)-a-TerpineolGenerator
(R)-Α-terpineolGenerator
(+)-a-TerpineolGenerator
(+)-Α-terpineolGenerator
a-TerpineolGenerator
Α-terpineolGenerator
(6R)-P-Menth-1-en-8-olHMDB
(R)-(+)-alpha-TerpineolHMDB
(R)-2-(4-Methyl-3-cyclohexenyl)isopropanolHMDB
(R)-P-Menth-1-en-8-olHMDB
(S)-(-)-P-Menth-1-en-8-olHMDB
1-alpha-TerpineolHMDB, MeSH
2-(4-Methyl-3-cyclohexen-1-yl)-2-propanolHMDB
2-(4-Methylcyclohex-3-en-1-yl)propan-2-olHMDB
2-(4-Methylcyclohex-3-enyl)propan-2-ol (alpha-terpineol)HMDB
2-[(1R)-4-Methylcyclohex-3-en-1-yl]propan-2-olHMDB
alpha,alpha,4-Trimethyl-3-cyclohexene-1-methanolHMDB
alpha-TerpinenolHMDB
alpha-TerpineoleHMDB
alpha-TerpinolHMDB
L-alpha-TerpineolHMDB
Lily OF valleyHMDB
TerpenolHMDB
TerpineolHMDB
Terpineol schlechthinHMDB
DL-alpha-TerpineolMeSH, HMDB
alpha-Terpineol, sodium saltMeSH, HMDB
P-Menth-1-en-8-olMeSH, HMDB
D-alpha-TerpineolMeSH, HMDB
(S)-a-TerpineolGenerator, HMDB
(S)-Α-terpineolGenerator, HMDB
alpha-TerpineolMeSH
Chemical FormulaC10H18O
Average Molecular Weight154.25
Monoisotopic Molecular Weight154.1358
IUPAC Name2-[(1R)-4-methylcyclohex-3-en-1-yl]propan-2-ol
Traditional Name(+)-α-terpineol
CAS Registry Number7785-53-7
SMILES
CC1=CC[C@@H](CC1)C(C)(C)O
InChI Identifier
InChI=1S/C10H18O/c1-8-4-6-9(7-5-8)10(2,3)11/h4,9,11H,5-7H2,1-3H3/t9-/m0/s1
InChI KeyWUOACPNHFRMFPN-VIFPVBQESA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as menthane monoterpenoids. These are monoterpenoids with a structure based on the o-, m-, or p-menthane backbone. P-menthane consists of the cyclohexane ring with a methyl group and a (2-methyl)-propyl group at the 1 and 4 ring position, respectively. The o- and m- menthanes are much rarer, and presumably arise by alkyl migration of p-menthanes.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassMonoterpenoids
Direct ParentMenthane monoterpenoids
Alternative Parents
Substituents
  • P-menthane monoterpenoid
  • Monocyclic monoterpenoid
  • Tertiary alcohol
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Alcohol
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
Ontology
Disposition

Route of exposure:

Source:

Biological location:

Role

Industrial application:

Biological role:

Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point37.5 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility0.71 mg/mL at 25 °CNot Available
logP2.98LI,J & PERDUE,EM (1995)
Predicted Properties
PropertyValueSource
logP3.17ALOGPS
logP2.17ChemAxon
logS-2ALOGPS
pKa (Strongest Acidic)19.4ChemAxon
pKa (Strongest Basic)-0.87ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area20.23 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity48.46 m³·mol⁻¹ChemAxon
Polarizability19.07 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Spectra
EI-MS/GC-MS
TypeDescriptionSplash KeyView
GC-MS(S)-alpha-Terpineol, non-derivatized, GC-MS Spectrumsplash10-052f-9200000000-ae93728615d3c506a1ceSpectrum
Predicted GC-MS(S)-alpha-Terpineol, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positivesplash10-0a4i-9100000000-a6b151ba8e67f64241acSpectrum
Predicted GC-MS(S)-alpha-Terpineol, 1 TMS, Predicted GC-MS Spectrum - 70eV, Positivesplash10-01qi-9620000000-6c96b32bd4033639edd2Spectrum
Predicted GC-MS(S)-alpha-Terpineol, non-derivatized, Predicted GC-MS Spectrum - 70eV, PositiveNot AvailableSpectrum
MS/MS
TypeDescriptionSplash KeyView
MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, N/A (Annotated)splash10-0540-5900000000-cda96dbf2d059d85a3c52012-07-25View Spectrum
MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, N/A (Annotated)splash10-001i-9000000000-ef81a719227e0ca1dabc2012-07-25View Spectrum
MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, N/A (Annotated)splash10-057l-9000000000-f219b3601875dbade6b92012-07-25View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-052r-1900000000-3e8ebaa4ae0750710d122017-09-01View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-052k-9600000000-de13f72872a89c9b2a522017-09-01View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0le9-9100000000-f6bc053d285b0f1e22f42017-09-01View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0udi-0900000000-0b1926cd4fc400a61e842017-09-01View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0udj-3900000000-b512881ea0d1ea0511992017-09-01View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-000b-9400000000-90c166242df69d6dee012017-09-01View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0udi-0900000000-118ad26f2b30eb1cab8b2021-09-24View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0udi-0900000000-d2363ae8d4dbdcccda802021-09-24View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0f6x-9500000000-4ef1ecf90c5038ba6f9e2021-09-24View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-000i-5900000000-4a5f3c6978eb2913079e2021-09-24View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-05mn-9100000000-e7d43b2d0a8d389277d12021-09-24View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00kf-9000000000-c647649541c827cabb3b2021-09-24View Spectrum
NMR
TypeDescriptionView
1D NMR1H NMR Spectrum (1D, 600 MHz, CD3OD, experimental)Spectrum
1D NMR13C NMR Spectrum (1D, 25.16 MHz, CDCl3, experimental)Spectrum
2D NMR[1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, CD3OD, experimental)Spectrum
Pathways
Pathways
Protein Targets
EnzymesNot Available
TransportersNot Available
Metal BindingsNot Available
ReceptorsNot Available
Transcriptional FactorsNot Available
Concentrations Data
Cannabis CultivarStatusValueReferenceDetails
Alien DawgDetected and Quantified0.25 mg/g dry wt
    • David S. Wishart,...
details
Alien Dawg (Indica dominant)Detected and Quantified0.29 +/- 0.03 mg/g dry wt
    • David S. Wishart,...
details
Crown OgDetected and Quantified0.6 +/- 0.1 mg/g dry wt details
Fortune CookiesDetected and Quantified0.1 +/- 0.2 mg/g dry wt details
GabriolaDetected and Quantified0.62 mg/g dry wt
    • David S. Wishart,...
details
GasDetected and Quantified0.6 +/- 0.1 mg/g dry wt details
GelatoDetected and Quantified0.9 +/- 0.1 mg/g dry wt details
Island HoneyDetected and Quantified0.19 mg/g dry wt
    • David S. Wishart,...
details
Miami White KushDetected and Quantified0.6 +/- 0.4 mg/g dry wt details
Og KushDetected and Quantified0.5 +/- 0.4 mg/g dry wt details
QuadraDetected and Quantified0.69 mg/g dry wt
    • David S. Wishart,...
details
Sensi StarDetected and Quantified0.37 mg/g dry wt
    • David S. Wishart,...
details
Sensi Star (Pure Indica)Detected and Quantified0.34 +/- 0.01 mg/g dry wt
    • David S. Wishart,...
details
SherbertDetected and Quantified0.5 +/- 0.4 mg/g dry wt details
Skywalker Og KushDetected and Quantified0.7 +/- 0.4 mg/g dry wt details
Superman Og KushDetected and Quantified0.7 +/- 0.1 mg/g dry wt details
Tahoe Og KushDetected and Quantified0.6 +/- 0.1 mg/g dry wt details
Tangerine DreamDetected and Quantified0.22 mg/g dry wt
    • David S. Wishart,...
details
Tangerine Dream (Sativa dominant)Detected and Quantified0.16 +/- 0.00 mg/g dry wt
    • David S. Wishart,...
details
TrainwreckDetected and Quantified0.5 +/- 0.3 mg/g dry wt details
Triple ODetected and Quantified0.6 +/- 0.1 mg/g dry wt details
HMDB IDHMDB0004043
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB014552
KNApSAcK IDC00029674
Chemspider ID390927
KEGG Compound IDC09902
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkTerpineol
METLIN IDNot Available
PubChem Compound442501
PDB IDNot Available
ChEBI ID300
References
General References
  1. Turner CE, Elsohly MA, Boeren EG: Constituents of Cannabis sativa L. XVII. A review of the natural constituents. J Nat Prod. 1980 Mar-Apr;43(2):169-234. doi: 10.1021/np50008a001. [PubMed:6991645 ]
  2. Rice S, Koziel JA: Characterizing the Smell of Marijuana by Odor Impact of Volatile Compounds: An Application of Simultaneous Chemical and Sensory Analysis. PLoS One. 2015 Dec 10;10(12):e0144160. doi: 10.1371/journal.pone.0144160. eCollection 2015. [PubMed:26657499 ]