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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 20:10:10 UTC
Update Date2022-03-07 02:54:24 UTC
HMDB IDHMDB0035218
Secondary Accession Numbers
  • HMDB35218
Metabolite Identification
Common NameCinereain
DescriptionCinereain belongs to the class of organic compounds known as pyrimidones. Pyrimidones are compounds that contain a pyrimidine ring, which bears a ketone. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. Cinereain is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, cinereain has been detected, but not quantified in, cereals and cereal products. This could make cinereain a potential biomarker for the consumption of these foods.
Structure
Data?1563862684
Synonyms
ValueSource
10,11-Dihydro-8-(1-methylethyl)-11-(2-methylpropylidene)-6H-oxepino[2,3-D]pyrazino[1,2-a]pyrimidine-6,9(8H)-dione, 9ciHMDB
Chemical FormulaC18H21N3O3
Average Molecular Weight327.3776
Monoisotopic Molecular Weight327.158291553
IUPAC Name(4E)-4-(2-methylpropylidene)-7-(propan-2-yl)-15-oxa-2,5,8-triazatricyclo[8.5.0.0³,⁸]pentadeca-1(10),2,11,13-tetraene-6,9-dione
Traditional Name(4E)-7-isopropyl-4-(2-methylpropylidene)-15-oxa-2,5,8-triazatricyclo[8.5.0.0³,⁸]pentadeca-1(10),2,11,13-tetraene-6,9-dione
CAS Registry Number117013-51-1
SMILES
CC(C)\C=C1\NC(=O)C(C(C)C)N2C(=O)C3=C(OC=CC=C3)N=C12
InChI Identifier
InChI=1S/C18H21N3O3/c1-10(2)9-13-15-20-17-12(7-5-6-8-24-17)18(23)21(15)14(11(3)4)16(22)19-13/h5-11,14H,1-4H3,(H,19,22)/b13-9+
InChI KeyCCHUDPANZXHQCS-UKTHLTGXSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as pyrimidones. Pyrimidones are compounds that contain a pyrimidine ring, which bears a ketone. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassDiazines
Sub ClassPyrimidines and pyrimidine derivatives
Direct ParentPyrimidones
Alternative Parents
Substituents
  • Pyrimidone
  • Vinylogous ester
  • Heteroaromatic compound
  • Carboxamide group
  • Lactam
  • Secondary carboxylic acid amide
  • Oxacycle
  • Azacycle
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic nitrogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Organopnictogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point201 - 203 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.15 g/LALOGPS
logP2.53ALOGPS
logP2.12ChemAxon
logS-3.3ALOGPS
pKa (Strongest Acidic)12.22ChemAxon
pKa (Strongest Basic)-1.7ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area71 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity102.78 m³·mol⁻¹ChemAxon
Polarizability34.76 ųChemAxon
Number of Rings3ChemAxon
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-2H]-220.57630932474
DeepCCS[M+Na]+196.09830932474
AllCCS[M+H]+177.232859911
AllCCS[M+H-H2O]+174.132859911
AllCCS[M+NH4]+180.032859911
AllCCS[M+Na]+180.832859911
AllCCS[M-H]-180.932859911
AllCCS[M+Na-2H]-180.832859911
AllCCS[M+HCOO]-180.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
CinereainCC(C)\C=C1\NC(=O)C(C(C)C)N2C(=O)C3=C(OC=CC=C3)N=C123860.4Standard polar33892256
CinereainCC(C)\C=C1\NC(=O)C(C(C)C)N2C(=O)C3=C(OC=CC=C3)N=C122581.2Standard non polar33892256
CinereainCC(C)\C=C1\NC(=O)C(C(C)C)N2C(=O)C3=C(OC=CC=C3)N=C122746.4Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Cinereain,1TMS,isomer #1CC(C)/C=C1\C2=NC3=C(C=CC=CO3)C(=O)N2C(C(C)C)C(=O)N1[Si](C)(C)C2759.7Semi standard non polar33892256
Cinereain,1TMS,isomer #1CC(C)/C=C1\C2=NC3=C(C=CC=CO3)C(=O)N2C(C(C)C)C(=O)N1[Si](C)(C)C2607.6Standard non polar33892256
Cinereain,1TBDMS,isomer #1CC(C)/C=C1\C2=NC3=C(C=CC=CO3)C(=O)N2C(C(C)C)C(=O)N1[Si](C)(C)C(C)(C)C2958.0Semi standard non polar33892256
Cinereain,1TBDMS,isomer #1CC(C)/C=C1\C2=NC3=C(C=CC=CO3)C(=O)N2C(C(C)C)C(=O)N1[Si](C)(C)C(C)(C)C2806.1Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Cinereain GC-MS (Non-derivatized) - 70eV, Positivesplash10-075d-2294000000-9e3ecd38bf87ae1652dd2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Cinereain GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 10V, Positive-QTOFsplash10-004i-0019000000-79c9743afc472c38e8bb2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 20V, Positive-QTOFsplash10-004i-3139000000-6174911fe460746b77372016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 40V, Positive-QTOFsplash10-0nmr-9650000000-73fbffdf511d6bec0ab92016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 10V, Negative-QTOFsplash10-004i-0029000000-51fb249be555aca7591d2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 20V, Negative-QTOFsplash10-0a59-7493000000-0209f631ef4f9bf3111d2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 40V, Negative-QTOFsplash10-0a4i-3970000000-498bdea4f7c821680bdd2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 10V, Negative-QTOFsplash10-004i-0039000000-133fca5f99ad6bf17d7f2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 20V, Negative-QTOFsplash10-002b-0094000000-f467d8886ec75d541bf32021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 40V, Negative-QTOFsplash10-0006-3191000000-226d57eaa764ca7755992021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 10V, Positive-QTOFsplash10-004i-0009000000-5b65f30965dc13ccd7b42021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 20V, Positive-QTOFsplash10-004i-0019000000-5837a0dd8e829df0106b2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cinereain 40V, Positive-QTOFsplash10-004i-2397000000-e87a4b491313e3d7c1b12021-09-23Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB013866
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound51340308
PDB IDNot Available
ChEBI IDNot Available
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. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .