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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2013-07-04 19:04:06 UTC
Update Date2021-09-14 15:02:27 UTC
HMDB IDHMDB0060861
Secondary Accession Numbers
  • HMDB60861
Metabolite Identification
Common NameOR-1896
DescriptionOR-1896 belongs to the class of organic compounds known as acetanilides. These are organic compounds containing an acetamide group conjugated to a phenyl group. OR-1896 is a moderately basic compound (based on its pKa). Levosimendan is a calcium sensitiser used in the management of acutely decompensated congestive heart failure. OR-1896 is a metabolite of levosimendan. It is marketed under the trade name Simdax.
Structure
Data?1563866114
Synonyms
ValueSource
(R)-N-(4-(4-Methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl)acetamideHMDB
N-(4-(4-Methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl)acetamideHMDB
Chemical FormulaC13H15N3O2
Average Molecular Weight245.2771
Monoisotopic Molecular Weight245.116426739
IUPAC NameN-{4-[(4R)-4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl]phenyl}acetamide
Traditional NameN-{4-[(4R)-4-methyl-6-oxo-4,5-dihydro-1H-pyridazin-3-yl]phenyl}acetamide
CAS Registry NumberNot Available
SMILES
C[C@@H]1CC(=O)NN=C1C1=CC=C(NC(C)=O)C=C1
InChI Identifier
InChI=1S/C13H15N3O2/c1-8-7-12(18)15-16-13(8)10-3-5-11(6-4-10)14-9(2)17/h3-6,8H,7H2,1-2H3,(H,14,17)(H,15,18)/t8-/m1/s1
InChI KeyGDZXNMWZXLDEKG-MRVPVSSYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as acetanilides. These are organic compounds containing an acetamide group conjugated to a phenyl group.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassAnilides
Direct ParentAcetanilides
Alternative Parents
Substituents
  • Acetanilide
  • N-acetylarylamine
  • N-arylamide
  • Pyridazinone
  • Pyridazine
  • Acetamide
  • Carboxamide group
  • Secondary carboxylic acid amide
  • Carboxylic acid derivative
  • Azacycle
  • Organoheterocyclic compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organooxygen compound
  • Organonitrogen compound
  • Organopnictogen compound
  • Organic oxygen compound
  • Carbonyl group
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic 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
Water Solubility0.16 g/LALOGPS
logP1.86ALOGPS
logP0.78ChemAxon
logS-3.2ALOGPS
pKa (Strongest Acidic)11.78ChemAxon
pKa (Strongest Basic)1.51ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area70.56 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity69.07 m³·mol⁻¹ChemAxon
Polarizability26.16 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+158.1731661259
DarkChem[M-H]-157.60331661259
DeepCCS[M+H]+158.57130932474
DeepCCS[M-H]-156.17530932474
DeepCCS[M-2H]-189.0630932474
DeepCCS[M+Na]+164.56330932474
AllCCS[M+H]+156.632859911
AllCCS[M+H-H2O]+152.732859911
AllCCS[M+NH4]+160.232859911
AllCCS[M+Na]+161.232859911
AllCCS[M-H]-160.832859911
AllCCS[M+Na-2H]-160.832859911
AllCCS[M+HCOO]-161.032859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
OR-1896C[C@@H]1CC(=O)NN=C1C1=CC=C(NC(C)=O)C=C13234.8Standard polar33892256
OR-1896C[C@@H]1CC(=O)NN=C1C1=CC=C(NC(C)=O)C=C12359.4Standard non polar33892256
OR-1896C[C@@H]1CC(=O)NN=C1C1=CC=C(NC(C)=O)C=C12708.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
OR-1896,1TMS,isomer #1CC(=O)NC1=CC=C(C2=NN([Si](C)(C)C)C(=O)C[C@H]2C)C=C12520.5Semi standard non polar33892256
OR-1896,1TMS,isomer #1CC(=O)NC1=CC=C(C2=NN([Si](C)(C)C)C(=O)C[C@H]2C)C=C12539.6Standard non polar33892256
OR-1896,1TMS,isomer #1CC(=O)NC1=CC=C(C2=NN([Si](C)(C)C)C(=O)C[C@H]2C)C=C13953.0Standard polar33892256
OR-1896,1TMS,isomer #2CC(=O)N(C1=CC=C(C2=NNC(=O)C[C@H]2C)C=C1)[Si](C)(C)C2410.3Semi standard non polar33892256
OR-1896,1TMS,isomer #2CC(=O)N(C1=CC=C(C2=NNC(=O)C[C@H]2C)C=C1)[Si](C)(C)C2457.4Standard non polar33892256
OR-1896,1TMS,isomer #2CC(=O)N(C1=CC=C(C2=NNC(=O)C[C@H]2C)C=C1)[Si](C)(C)C4080.6Standard polar33892256
OR-1896,2TMS,isomer #1CC(=O)N(C1=CC=C(C2=NN([Si](C)(C)C)C(=O)C[C@H]2C)C=C1)[Si](C)(C)C2286.1Semi standard non polar33892256
OR-1896,2TMS,isomer #1CC(=O)N(C1=CC=C(C2=NN([Si](C)(C)C)C(=O)C[C@H]2C)C=C1)[Si](C)(C)C2492.8Standard non polar33892256
OR-1896,2TMS,isomer #1CC(=O)N(C1=CC=C(C2=NN([Si](C)(C)C)C(=O)C[C@H]2C)C=C1)[Si](C)(C)C3668.3Standard polar33892256
OR-1896,1TBDMS,isomer #1CC(=O)NC1=CC=C(C2=NN([Si](C)(C)C(C)(C)C)C(=O)C[C@H]2C)C=C12798.0Semi standard non polar33892256
OR-1896,1TBDMS,isomer #1CC(=O)NC1=CC=C(C2=NN([Si](C)(C)C(C)(C)C)C(=O)C[C@H]2C)C=C12752.8Standard non polar33892256
OR-1896,1TBDMS,isomer #1CC(=O)NC1=CC=C(C2=NN([Si](C)(C)C(C)(C)C)C(=O)C[C@H]2C)C=C13981.6Standard polar33892256
OR-1896,1TBDMS,isomer #2CC(=O)N(C1=CC=C(C2=NNC(=O)C[C@H]2C)C=C1)[Si](C)(C)C(C)(C)C2591.1Semi standard non polar33892256
OR-1896,1TBDMS,isomer #2CC(=O)N(C1=CC=C(C2=NNC(=O)C[C@H]2C)C=C1)[Si](C)(C)C(C)(C)C2703.9Standard non polar33892256
OR-1896,1TBDMS,isomer #2CC(=O)N(C1=CC=C(C2=NNC(=O)C[C@H]2C)C=C1)[Si](C)(C)C(C)(C)C4116.1Standard polar33892256
OR-1896,2TBDMS,isomer #1CC(=O)N(C1=CC=C(C2=NN([Si](C)(C)C(C)(C)C)C(=O)C[C@H]2C)C=C1)[Si](C)(C)C(C)(C)C2757.4Semi standard non polar33892256
OR-1896,2TBDMS,isomer #1CC(=O)N(C1=CC=C(C2=NN([Si](C)(C)C(C)(C)C)C(=O)C[C@H]2C)C=C1)[Si](C)(C)C(C)(C)C2929.8Standard non polar33892256
OR-1896,2TBDMS,isomer #1CC(=O)N(C1=CC=C(C2=NN([Si](C)(C)C(C)(C)C)C(=O)C[C@H]2C)C=C1)[Si](C)(C)C(C)(C)C3666.1Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - OR-1896 GC-MS (Non-derivatized) - 70eV, Positivesplash10-0ue9-2790000000-3e6e8be829eb83ee0b172017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - OR-1896 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 - OR-1896 10V, Positive-QTOFsplash10-0002-0190000000-5dcaaca52d6460a664292017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 20V, Positive-QTOFsplash10-0f7a-1590000000-fd769509d66ce02b12722017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 40V, Positive-QTOFsplash10-0007-6900000000-d378e4d877e3d2a5de942017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 10V, Negative-QTOFsplash10-0006-0090000000-b969bf4966201398d1852017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 20V, Negative-QTOFsplash10-0006-9250000000-534b3155d91076b33c6e2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 40V, Negative-QTOFsplash10-0006-9520000000-57013c0c0dd6e0860f592017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 10V, Positive-QTOFsplash10-0002-0090000000-e0bd480e4026193512252021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 20V, Positive-QTOFsplash10-0002-0290000000-838064352f18440902622021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 40V, Positive-QTOFsplash10-009j-0910000000-1e14b62f4360cba03cec2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 10V, Negative-QTOFsplash10-0006-1090000000-81e40b1541dc8ce3e6b42021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 20V, Negative-QTOFsplash10-0006-3290000000-6ddc6ca086e91ee140012021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - OR-1896 40V, Negative-QTOFsplash10-006x-3930000000-ad61862a244910c8ccfa2021-10-12Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
Biospecimen Locations
  • Blood
  • Urine
Tissue Locations
  • Kidney
  • Liver
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
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 IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound9816296
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 ReferencesNot Available