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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 03:24:10 UTC
Update Date2022-11-23 21:48:33 UTC
HMDB IDHMDB0248938
Secondary Accession NumbersNone
Metabolite Identification
Common NameBemoradan
Description7-(6-hydroxy-4-methyl-4,5-dihydropyridazin-3-yl)-2H-1,4-benzoxazin-3-ol belongs to the class of organic compounds known as benzoxazinones. These are organic compounds containing a benzene fused to an oxazine ring (a six-member aliphatic ring with four carbon atoms, one oxygen atom, and one nitrogen atom) bearing a ketone group. Based on a literature review a significant number of articles have been published on 7-(6-hydroxy-4-methyl-4,5-dihydropyridazin-3-yl)-2H-1,4-benzoxazin-3-ol. This compound has been identified in human blood as reported by (PMID: 31557052 ). Bemoradan is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Bemoradan 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
ORF 22867ChEMBL
Chemical FormulaC13H13N3O3
Average Molecular Weight259.265
Monoisotopic Molecular Weight259.095691291
IUPAC Name7-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)-3,4-dihydro-2H-1,4-benzoxazin-3-one
Traditional Name7-(4-methyl-6-oxo-4,5-dihydro-1H-pyridazin-3-yl)-2,4-dihydro-1,4-benzoxazin-3-one
CAS Registry NumberNot Available
SMILES
CC1CC(=O)NN=C1C1=CC2=C(NC(=O)CO2)C=C1
InChI Identifier
InChI=1S/C13H13N3O3/c1-7-4-11(17)15-16-13(7)8-2-3-9-10(5-8)19-6-12(18)14-9/h2-3,5,7H,4,6H2,1H3,(H,14,18)(H,15,17)
InChI KeyXZPGINPFWXLYNW-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as benzoxazinones. These are organic compounds containing a benzene fused to an oxazine ring (a six-member aliphatic ring with four carbon atoms, one oxygen atom, and one nitrogen atom) bearing a ketone group.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzoxazines
Sub ClassBenzoxazinones
Direct ParentBenzoxazinones
Alternative Parents
Substituents
  • Benzoxazinone
  • Benzomorpholine
  • Alkyl aryl ether
  • Pyridazinone
  • Oxazinane
  • Pyridazine
  • Benzenoid
  • Carboxamide group
  • Lactam
  • Secondary carboxylic acid amide
  • Ether
  • Carboxylic acid derivative
  • Oxacycle
  • Azacycle
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Organic nitrogen compound
  • Carbonyl group
  • Organic oxide
  • Organic oxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
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
logP1.61ALOGPS
logP0.33ChemAxon
logS-3.1ALOGPS
pKa (Strongest Acidic)11.32ChemAxon
pKa (Strongest Basic)1.05ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area79.79 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity68.98 m³·mol⁻¹ChemAxon
Polarizability26.15 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+H]+162.74130932474
DeepCCS[M-H]-160.38330932474
DeepCCS[M-2H]-193.26930932474
DeepCCS[M+Na]+168.83430932474

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Predicted by Siyang on May 30, 202210.8183 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20222.13 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid1817.9 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid269.8 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid113.2 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid167.6 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid61.5 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid302.7 seconds40023050
BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid537.0 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)111.4 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid811.6 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid298.2 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1234.9 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid262.6 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid265.7 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate386.5 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA246.2 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water159.5 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
BEMORADANCC1CC(=O)NN=C1C1=CC2=C(NC(=O)CO2)C=C13563.6Standard polar33892256
BEMORADANCC1CC(=O)NN=C1C1=CC2=C(NC(=O)CO2)C=C12291.9Standard non polar33892256
BEMORADANCC1CC(=O)NN=C1C1=CC2=C(NC(=O)CO2)C=C12852.9Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
BEMORADAN,1TMS,isomer #1CC1CC(=O)N([Si](C)(C)C)N=C1C1=CC=C2NC(=O)COC2=C12698.8Semi standard non polar33892256
BEMORADAN,1TMS,isomer #1CC1CC(=O)N([Si](C)(C)C)N=C1C1=CC=C2NC(=O)COC2=C12708.3Standard non polar33892256
BEMORADAN,1TMS,isomer #1CC1CC(=O)N([Si](C)(C)C)N=C1C1=CC=C2NC(=O)COC2=C14242.2Standard polar33892256
BEMORADAN,1TMS,isomer #2CC1CC(=O)NN=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C2609.2Semi standard non polar33892256
BEMORADAN,1TMS,isomer #2CC1CC(=O)NN=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C2718.5Standard non polar33892256
BEMORADAN,1TMS,isomer #2CC1CC(=O)NN=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C4264.2Standard polar33892256
BEMORADAN,2TMS,isomer #1CC1CC(=O)N([Si](C)(C)C)N=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C2493.5Semi standard non polar33892256
BEMORADAN,2TMS,isomer #1CC1CC(=O)N([Si](C)(C)C)N=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C2753.4Standard non polar33892256
BEMORADAN,2TMS,isomer #1CC1CC(=O)N([Si](C)(C)C)N=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C4022.7Standard polar33892256
BEMORADAN,1TBDMS,isomer #1CC1CC(=O)N([Si](C)(C)C(C)(C)C)N=C1C1=CC=C2NC(=O)COC2=C12926.5Semi standard non polar33892256
BEMORADAN,1TBDMS,isomer #1CC1CC(=O)N([Si](C)(C)C(C)(C)C)N=C1C1=CC=C2NC(=O)COC2=C12924.7Standard non polar33892256
BEMORADAN,1TBDMS,isomer #1CC1CC(=O)N([Si](C)(C)C(C)(C)C)N=C1C1=CC=C2NC(=O)COC2=C14334.4Standard polar33892256
BEMORADAN,1TBDMS,isomer #2CC1CC(=O)NN=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C(C)(C)C2851.3Semi standard non polar33892256
BEMORADAN,1TBDMS,isomer #2CC1CC(=O)NN=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C(C)(C)C2959.0Standard non polar33892256
BEMORADAN,1TBDMS,isomer #2CC1CC(=O)NN=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C(C)(C)C4346.0Standard polar33892256
BEMORADAN,2TBDMS,isomer #1CC1CC(=O)N([Si](C)(C)C(C)(C)C)N=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C(C)(C)C2967.0Semi standard non polar33892256
BEMORADAN,2TBDMS,isomer #1CC1CC(=O)N([Si](C)(C)C(C)(C)C)N=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C(C)(C)C3205.2Standard non polar33892256
BEMORADAN,2TBDMS,isomer #1CC1CC(=O)N([Si](C)(C)C(C)(C)C)N=C1C1=CC=C2C(=C1)OCC(=O)N2[Si](C)(C)C(C)(C)C4026.0Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Bemoradan GC-MS (Non-derivatized) - 70eV, Positivesplash10-0gc3-1390000000-7785252ec72ce23251f52021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Bemoradan 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 - Bemoradan 10V, Negative-QTOFsplash10-0a4i-0090000000-940ab321673f0205ccea2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bemoradan 20V, Negative-QTOFsplash10-0a4i-0090000000-0bb2f1bf6bf4586ac6a12021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bemoradan 40V, Negative-QTOFsplash10-01ox-6890000000-a2605962406971f9cd4d2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bemoradan 10V, Positive-QTOFsplash10-03di-0090000000-3aacaf02559e637256962021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bemoradan 20V, Positive-QTOFsplash10-03di-0090000000-7c24f982eb36c34d55302021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bemoradan 40V, Positive-QTOFsplash10-0j4i-0980000000-c836246b4db9aa7648152021-10-12Wishart LabView Spectrum
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 IDNot Available
KNApSAcK IDNot Available
Chemspider ID4515029
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5362399
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. 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 ]