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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 20:19:14 UTC
Update Date2021-09-26 23:15:44 UTC
HMDB IDHMDB0258653
Secondary Accession NumbersNone
Metabolite Identification
Common NameSyringaldehyde
Description4-Hydroxy-3,5-dimethoxybenzaldehyde 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. 4-Hydroxy-3,5-dimethoxybenzaldehyde is a mild, sweet, and plastic tasting compound. 4-Hydroxy-3,5-dimethoxybenzaldehyde is found, on average, in the highest concentration within a few different foods, such as common walnuts (Juglans regia), grape wine, and whisky and in a lower concentration in spirit, vinegar, and rum. 4-Hydroxy-3,5-dimethoxybenzaldehyde has also been detected, but not quantified in, several different foods, such as coconuts (Cocos nucifera), common grapes (Vitis vinifera), corianders (Coriandrum sativum), corns (Zea mays), and garden tomato (var.). This could make 4-hydroxy-3,5-dimethoxybenzaldehyde a potential biomarker for the consumption of these foods. 4-Hydroxy-3,5-dimethoxybenzaldehyde is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Based on a literature review a small amount of articles have been published on 4-Hydroxy-3,5-dimethoxybenzaldehyde. This compound has been identified in human blood as reported by (PMID: 31557052 ). Syringaldehyde is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Syringaldehyde 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
SinapaldehydeChEMBL
SYALMeSH
2,6-Dimethoxy-4-formylphenolMeSH
3,5-Dimethoxy-4-hydroxybenzaldehydeMeSH
4-Hydroxy-3,5-dimethoxybenzaldehydePhytoBank
4-Formyl-2,6-dimethoxyphenolPhytoBank
4-FormylsyringolPhytoBank
Cedar aldehydePhytoBank
Gallaldehyde 3,5-dimethyl etherPhytoBank
Syringic aldehydePhytoBank
3,5-Dimethoxy-4-hydroxy-benzaldehydePhytoBank
Chemical FormulaC9H10O4
Average Molecular Weight182.1733
Monoisotopic Molecular Weight182.057908808
IUPAC Name4-hydroxy-3,5-dimethoxybenzaldehyde
Traditional Namesyringaldehyde
CAS Registry NumberNot Available
SMILES
COC1=CC(C=O)=CC(OC)=C1O
InChI Identifier
InChI=1S/C9H10O4/c1-12-7-3-6(5-10)4-8(13-2)9(7)11/h3-5,11H,1-2H3
InChI KeyKCDXJAYRVLXPFO-UHFFFAOYSA-N
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
  • Dimethoxybenzene
  • M-dimethoxybenzene
  • Hydroxybenzaldehyde
  • Anisole
  • Benzaldehyde
  • Benzoyl
  • Phenoxy compound
  • Phenol ether
  • Methoxybenzene
  • Alkyl aryl ether
  • Aryl-aldehyde
  • Monocyclic benzene moiety
  • Ether
  • Organooxygen compound
  • Aldehyde
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot 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
logP1.33ALOGPS
logP1.07ChemAxon
logS-1.7ALOGPS
pKa (Strongest Acidic)7.24ChemAxon
pKa (Strongest Basic)-4.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area55.76 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity47.55 m³·mol⁻¹ChemAxon
Polarizability17.76 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+139.64330932474
DeepCCS[M-H]-136.89630932474
DeepCCS[M-2H]-173.13630932474
DeepCCS[M+Na]+148.51130932474
AllCCS[M+H]+141.832859911
AllCCS[M+H-H2O]+137.832859911
AllCCS[M+NH4]+145.632859911
AllCCS[M+Na]+146.632859911
AllCCS[M-H]-136.532859911
AllCCS[M+Na-2H]-137.632859911
AllCCS[M+HCOO]-138.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
SyringaldehydeCOC1=CC(C=O)=CC(OC)=C1O2859.5Standard polar33892256
SyringaldehydeCOC1=CC(C=O)=CC(OC)=C1O1559.1Standard non polar33892256
SyringaldehydeCOC1=CC(C=O)=CC(OC)=C1O1673.8Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Syringaldehyde GC-MS (Non-derivatized) - 70eV, Positivesplash10-0ue9-0900000000-ef96b9e519092161a3cb2016-09-22Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Syringaldehyde GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Syringaldehyde GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Syringaldehyde GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum
MSMass Spectrum (Electron Ionization)splash10-001i-5900000000-6cbbbdbec8f6bba463d52015-03-01Not AvailableView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - Syringaldehyde 35V, Positive-QTOFsplash10-004i-9100000000-5b6ba3c42dcd3af29af02021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Syringaldehyde 25V, Positive-QTOFsplash10-002b-9500000000-59dc9fbf56278b4fa3d72021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Syringaldehyde 45V, Positive-QTOFsplash10-00or-9000000000-7fdf6c97fc44ba9287572021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Syringaldehyde 15V, Positive-QTOFsplash10-05gi-0900000000-44ca2aac27277cc862f52021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Syringaldehyde 25V, Positive-QTOFsplash10-002b-9500000000-648b4cea88c99f6001802021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Syringaldehyde 15V, Positive-QTOFsplash10-05gi-0900000000-ec8dfff58a288a3a22022021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Syringaldehyde 35V, Positive-QTOFsplash10-004i-9100000000-54826f5ed4bf4c6506782021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Syringaldehyde 45V, Positive-QTOFsplash10-00or-9000000000-03822b23e64682ed88792021-09-20HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Syringaldehyde 10V, Positive-QTOFsplash10-001i-0900000000-888409d99d78544d7bda2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Syringaldehyde 20V, Positive-QTOFsplash10-001i-0900000000-9a08dd0b4c0aa032b8212016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Syringaldehyde 40V, Positive-QTOFsplash10-0hhi-3900000000-9de8232d167c5c3dc77e2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Syringaldehyde 10V, Negative-QTOFsplash10-001i-0900000000-9ff54d007d617002d7302016-08-04Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Syringaldehyde 20V, Negative-QTOFsplash10-001i-0900000000-5756b0978ed9c9206dfc2016-08-04Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Syringaldehyde 40V, Negative-QTOFsplash10-0671-5900000000-61166ea22e1f8c56bc122016-08-04Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
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 IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB000822
KNApSAcK IDC00007558
Chemspider ID8333
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkSyringaldehyde
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI ID67380
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1026801
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 ]