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Record Information
Version2.0
Created at2022-09-10 23:33:16 UTC
Updated at2022-09-10 23:33:17 UTC
NP-MRD IDNP0306826
Secondary Accession NumbersNone
Natural Product Identification
Common Name(6e)-n-[(4-hydroxy-3-methoxyphenyl)methyl]-8-methylnon-6-enimidic acid
DescriptionCapsaicin, also known as zostrix or axsain, belongs to the class of organic compounds known as methoxyphenols. Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety. Thus, capsaicin is considered to be a fatty amide lipid molecule. Capsaicin is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Capsaicin is a potentially toxic compound. (6e)-n-[(4-hydroxy-3-methoxyphenyl)methyl]-8-methylnon-6-enimidic acid is found in Capsicum annuum and Capsicum pubescens. (6e)-n-[(4-hydroxy-3-methoxyphenyl)methyl]-8-methylnon-6-enimidic acid was first documented in 1996 (PMID: 8621114). For example, the mode of action of capsaicin in inducing bronchoconstriction is thought to involve stimulation of C fibers culminating in the release of neuropeptides (PMID: 17959343).
Structure
Thumb
Synonyms
ValueSource
(e)-8-Methyl-N-vanillyl-6-nonenamideChEBI
Isodecenoic acid vanillylamideChEBI
trans-8-Methyl-N-vanillyl-6-nonenamideChEBI
ZostrixChEBI
Isodecenoate vanillylamideGenerator
(e)-8-Methyl-N-vanillyl-6-nonenamide(8CL)HMDB
(e)8-Methyl-N-vanillyl-6-nonenamideHMDB
AxsainHMDB
e-CapsaicinHMDB
epsilon-CapsaicinHMDB
IsodecenoateHMDB
Isodecenoic acidHMDB
N-(4-Hydroxy-3-methoxybenzyl)-8-methylnon-trans-6-enamideHMDB
StyptysatHMDB
TransacinHMDB
GelcenHMDB
Link brand OF capsaicinHMDB
8 Methyl N vanillyl 6 nonenamideHMDB
Capsicum farmayaHMDB
CapzasinHMDB
Flemming brand OF capsaicinHMDB
8-Methyl-N-vanillyl-6-nonenamideHMDB
CapsinHMDB
KatrumHMDB
Medicis brand OF capsaicinHMDB
Smaller brand OF capsaicinHMDB
Thompson brand OF capsaicinHMDB
Vinas brand OF capsaicinHMDB
Alacan brand OF capsaicinHMDB
Antiphlogistine rub a-535 capsaicinHMDB
CapsaicineHMDB
CapsidolHMDB
Carter horner brand OF capsaicinHMDB
Centrum brand OF capsaicinHMDB
Elan brand OF capsaicinHMDB
ZacinHMDB
Chemical FormulaC18H27NO3
Average Mass305.4119 Da
Monoisotopic Mass305.19909 Da
IUPAC Name(6E)-N-[(4-hydroxy-3-methoxyphenyl)methyl]-8-methylnon-6-enamide
Traditional Namecapsaicin
CAS Registry NumberNot Available
SMILES
COC1=C(O)C=CC(CNC(=O)CCCC\C=C\C(C)C)=C1
InChI Identifier
InChI=1S/C18H27NO3/c1-14(2)8-6-4-5-7-9-18(21)19-13-15-10-11-16(20)17(12-15)22-3/h6,8,10-12,14,20H,4-5,7,9,13H2,1-3H3,(H,19,21)/b8-6+
InChI KeyYKPUWZUDDOIDPM-SOFGYWHQSA-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
Capsicum annuumLOTUS Database
Capsicum pubescensLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as methoxyphenols. Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety.
KingdomOrganic compounds
Super ClassBenzenoids
ClassPhenols
Sub ClassMethoxyphenols
Direct ParentMethoxyphenols
Alternative Parents
Substituents
  • Methoxyphenol
  • Phenoxy compound
  • Anisole
  • Methoxybenzene
  • Phenol ether
  • Alkyl aryl ether
  • 1-hydroxy-2-unsubstituted benzenoid
  • Monocyclic benzene moiety
  • Fatty acyl
  • Fatty amide
  • N-acyl-amine
  • Carboxamide group
  • Secondary carboxylic acid amide
  • Carboxylic acid derivative
  • Ether
  • Organic nitrogen compound
  • Organonitrogen compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Carbonyl group
  • Organopnictogen compound
  • Organic oxygen compound
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic 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
logP3.8ALOGPS
logP3.75ChemAxon
logS-4.6ALOGPS
pKa (Strongest Acidic)9.93ChemAxon
pKa (Strongest Basic)-0.52ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area58.56 ŲChemAxon
Rotatable Bond Count9ChemAxon
Refractivity90.32 m³·mol⁻¹ChemAxon
Polarizability36.32 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0002227
DrugBank IDDB06774
Phenol Explorer Compound ID712
FoodDB IDFDB012411
KNApSAcK IDNot Available
Chemspider ID1265957
KEGG Compound IDC06866
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkCapsaicin
METLIN IDNot Available
PubChem Compound1548943
PDB IDNot Available
ChEBI ID3374
Good Scents IDNot Available
References
General References
  1. Surh YJ, Lee SS: Capsaicin in hot chili pepper: carcinogen, co-carcinogen or anticarcinogen? Food Chem Toxicol. 1996 Mar;34(3):313-6. doi: 10.1016/0278-6915(95)00108-5. [PubMed:8621114 ]
  2. Simpson DM, Estanislao L, Brown SJ, Sampson J: An open-label pilot study of high-concentration capsaicin patch in painful HIV neuropathy. J Pain Symptom Manage. 2008 Mar;35(3):299-306. doi: 10.1016/j.jpainsymman.2007.04.015. Epub 2007 Oct 23. [PubMed:17959343 ]
  3. LOTUS database [Link]