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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-13 11:40:59 UTC
Update Date2019-07-23 06:35:06 UTC
HMDB IDHMDB0041821
Secondary Accession Numbers
  • HMDB41821
Metabolite Identification
Common NameAcetylisoniazid
DescriptionAcetylisoniazid belongs to the class of organic compounds known as pyridinecarboxylic acids and derivatives. Pyridinecarboxylic acids and derivatives are compounds containing a pyridine ring bearing a carboxylic acid group or a derivative thereof. Acetylisoniazid is a primary metabolite. Primary metabolites are metabolically or physiologically essential metabolites. They are directly involved in an organism’s growth, development or reproduction. Based on a literature review very few articles have been published on Acetylisoniazid.
Structure
Data?1563863706
Synonyms
ValueSource
(N)1-AcetylisoniazidChEBI
1-Acetyl-2-isonicotinoylhydrazineChEBI
Acetyl isoniazidChEBI
N-Acetyl-n'-isonicotinoylhydrazineChEBI
N-AcetylisoniazidChEBI
N-AcetylisonicotinylhydrazideChEBI
N'-acetylpyridine-4-carbohydrazideHMDB
(N)1-Acetylisoniazid monohydrochlorideHMDB
AcetylisoniazidChEBI
Chemical FormulaC8H9N3O2
Average Molecular Weight179.176
Monoisotopic Molecular Weight179.069476547
IUPAC NameN-(pyridine-4-carbonyl)ethanehydrazonic acid
Traditional Nameacetylisoniazid
CAS Registry Number1078-38-2
SMILES
CC(O)=NNC(=O)C1=CC=NC=C1
InChI Identifier
InChI=1S/C8H9N3O2/c1-6(12)10-11-8(13)7-2-4-9-5-3-7/h2-5H,1H3,(H,10,12)(H,11,13)
InChI KeyCVBGNAKQQUWBQV-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as pyridinecarboxylic acids and derivatives. Pyridinecarboxylic acids and derivatives are compounds containing a pyridine ring bearing a carboxylic acid group or a derivative thereof.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPyridines and derivatives
Sub ClassPyridinecarboxylic acids and derivatives
Direct ParentPyridinecarboxylic acids and derivatives
Alternative Parents
Substituents
  • Pyridine carboxylic acid or derivatives
  • Heteroaromatic compound
  • Azacycle
  • Carboxylic acid derivative
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
Ontology
Not AvailableNot 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 Solubility1.77 g/LALOGPS
logP0.04ALOGPS
logP-0.16ChemAxon
logS-2ALOGPS
pKa (Strongest Acidic)6.77ChemAxon
pKa (Strongest Basic)3.02ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area74.58 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity46.37 m³·mol⁻¹ChemAxon
Polarizability17.34 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
DarkChem[M+H]+140.17931661259
DarkChem[M-H]-137.61431661259
DeepCCS[M+H]+136.44430932474
DeepCCS[M-H]-133.95930932474
DeepCCS[M-2H]-169.5930932474
DeepCCS[M+Na]+144.16730932474
AllCCS[M+H]+138.532859911
AllCCS[M+H-H2O]+134.332859911
AllCCS[M+NH4]+142.532859911
AllCCS[M+Na]+143.632859911
AllCCS[M-H]-138.132859911
AllCCS[M+Na-2H]-138.932859911
AllCCS[M+HCOO]-139.932859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
AcetylisoniazidCC(O)=NNC(=O)C1=CC=NC=C12340.8Standard polar33892256
AcetylisoniazidCC(O)=NNC(=O)C1=CC=NC=C11551.5Standard non polar33892256
AcetylisoniazidCC(O)=NNC(=O)C1=CC=NC=C11795.0Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Acetylisoniazid,1TMS,isomer #1CC(=NNC(=O)C1=CC=NC=C1)O[Si](C)(C)C1823.2Semi standard non polar33892256
Acetylisoniazid,1TMS,isomer #2CC(O)=NN(C(=O)C1=CC=NC=C1)[Si](C)(C)C1800.5Semi standard non polar33892256
Acetylisoniazid,2TMS,isomer #1CC(=NN(C(=O)C1=CC=NC=C1)[Si](C)(C)C)O[Si](C)(C)C1771.2Semi standard non polar33892256
Acetylisoniazid,2TMS,isomer #1CC(=NN(C(=O)C1=CC=NC=C1)[Si](C)(C)C)O[Si](C)(C)C1788.2Standard non polar33892256
Acetylisoniazid,1TBDMS,isomer #1CC(=NNC(=O)C1=CC=NC=C1)O[Si](C)(C)C(C)(C)C2044.6Semi standard non polar33892256
Acetylisoniazid,1TBDMS,isomer #2CC(O)=NN(C(=O)C1=CC=NC=C1)[Si](C)(C)C(C)(C)C1983.5Semi standard non polar33892256
Acetylisoniazid,2TBDMS,isomer #1CC(=NN(C(=O)C1=CC=NC=C1)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2181.7Semi standard non polar33892256
Acetylisoniazid,2TBDMS,isomer #1CC(=NN(C(=O)C1=CC=NC=C1)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2172.7Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Acetylisoniazid GC-MS (Non-derivatized) - 70eV, Positivesplash10-0a4i-3900000000-5c9a49fca1347ce379b32017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Acetylisoniazid GC-MS (1 TMS) - 70eV, Positivesplash10-0abi-7920000000-aec72e6bb42ac1e86ba62017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Acetylisoniazid 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 - Acetylisoniazid 10V, Positive-QTOFsplash10-001i-0900000000-a3d1c5a0e5ebb2c97ae62016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 20V, Positive-QTOFsplash10-000i-0900000000-b85ff7e45abff69ec78d2016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 40V, Positive-QTOFsplash10-0a4r-8900000000-681c8051d8867866f8002016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 10V, Negative-QTOFsplash10-004i-1900000000-1fd563df0fddf05652202016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 20V, Negative-QTOFsplash10-000i-2900000000-d949ad8af3a1a12d88152016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 40V, Negative-QTOFsplash10-004i-9400000000-36da48ad648b55fdbac62016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 10V, Negative-QTOFsplash10-004i-3900000000-9ecadad920c257e51e562021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 20V, Negative-QTOFsplash10-004i-9200000000-b40c808dd07605ed79a92021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 40V, Negative-QTOFsplash10-004i-9000000000-832bf8c26347108a5e172021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 10V, Positive-QTOFsplash10-0a4i-0900000000-d4a7a493a9c66a84c7472021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 20V, Positive-QTOFsplash10-0a4i-1900000000-647f8a4f62f24f4fd80c2021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Acetylisoniazid 40V, Positive-QTOFsplash10-0059-9100000000-970318f02baa4e30444c2021-09-25Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
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 ID64672
KEGG Compound IDC07585
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound71602
PDB IDNot Available
ChEBI ID7207
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. Ait Moussa L, Khassouani CE, Hue B, Jana M, Begaud B, Soulaymani R: Determination of the acetylator phenotype in Moroccan tuberculosis patients using isoniazid as metabolic probe. Int J Clin Pharmacol Ther. 2002 Dec;40(12):548-53. [PubMed:12503812 ]

Enzymes

General function:
Involved in acetyltransferase activity
Specific function:
Participates in the detoxification of a plethora of hydrazine and arylamine drugs. Catalyzes the N- or O-acetylation of various arylamine and heterocyclic amine substrates and is able to bioactivate several known carcinogens.
Gene Name:
NAT1
Uniprot ID:
P18440
Molecular weight:
33898.445
Reactions
Acetyl-CoA + Isoniazid → Coenzyme A + Acetylisoniaziddetails
General function:
Involved in acetyltransferase activity
Specific function:
Participates in the detoxification of a plethora of hydrazine and arylamine drugs. Catalyzes the N- or O-acetylation of various arylamine and heterocyclic amine substrates and is able to bioactivate several known carcinogens.
Gene Name:
NAT2
Uniprot ID:
P11245
Molecular weight:
33570.245
Reactions
Acetyl-CoA + Isoniazid → Coenzyme A + Acetylisoniaziddetails