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Version5.0
StatusExpected but not Quantified
Creation Date2013-07-09 16:09:50 UTC
Update Date2019-07-23 07:15:29 UTC
HMDB IDHMDB0060964
Secondary Accession Numbers
  • HMDB60964
Metabolite Identification
Common Name5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole
Description5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole, also known as 2-[(5-chloro-2,1,3-benzothiadiazol-4-yl)amino]-3,5-dihydro-4H-imidazol-4-one or DS 200-717, belongs to the class of organic compounds known as benzothiadiazoles. These are heterocyclic aromatic compounds containing a benzene ring fused to a thiadiazole ring. Thiadiazole is a five-membered aromatic heterocycle made up of one sulfur atom and two nitrogen atoms. It is used to treat the spasms, cramping, and tightness of muscles caused by medical problems such as multiple sclerosis, spastic diplegia, back pain, or certain other injuries to the spine or central nervous system. 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole is an extremely weak basic (essentially neutral) compound (based on its pKa). It is also prescribed off-label for migraine headaches, as a sleep aid, and as an anticonvulsant (Wikipedia). 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiadiazole is one of the two major metabolites of tizanidine (PMID: 9929503 , 19961320 ). Tizanidine (trade names Zanaflex, Sirdalud) is a drug that is used as a muscle relaxant. It is a centrally acting α2 adrenergic agonist.
Structure
Data?1563866128
Synonyms
ValueSource
2-[(5-Chloro-2,1,3-benzothiadiazol-4-yl)amino]-3,5-dihydro-4H-imidazol-4-oneHMDB
DS 200-717HMDB
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazoleHMDB
Chemical FormulaC9H6ClN5OS
Average Molecular Weight267.69
Monoisotopic Molecular Weight266.9981587
IUPAC Name2-[(5-chloro-2,1,3-benzothiadiazol-4-yl)amino]-4,5-dihydro-1H-imidazol-4-one
Traditional Name2-[(5-chloro-2,1,3-benzothiadiazol-4-yl)amino]-1,5-dihydroimidazol-4-one
CAS Registry Number125292-32-2
SMILES
ClC1=C(NC2=NC(=O)CN2)C2=NSN=C2C=C1
InChI Identifier
InChI=1S/C9H6ClN5OS/c10-4-1-2-5-8(15-17-14-5)7(4)13-9-11-3-6(16)12-9/h1-2H,3H2,(H2,11,12,13,16)
InChI KeyUAPHNYZODWBPMU-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as benzothiadiazoles. These are heterocyclic aromatic compounds containing a benzene ring fused to a thiadiazole ring. Thiadiazole is a five-membered aromatic heterocycle made up of one sulfur atom and two nitrogen atoms.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzothiadiazoles
Sub ClassNot Available
Direct ParentBenzothiadiazoles
Alternative Parents
Substituents
  • 2,1,3-benzothiadiazole
  • Benzenoid
  • Aryl halide
  • Aryl chloride
  • Heteroaromatic compound
  • Thiadiazole
  • Imidazole
  • Azole
  • Azacycle
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Organochloride
  • Organohalogen 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
Water Solubility0.13 g/LALOGPS
logP1.58ALOGPS
logP1.21ChemAxon
logS-3.2ALOGPS
pKa (Strongest Acidic)4.67ChemAxon
pKa (Strongest Basic)-0.051ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area79.27 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity64.65 m³·mol⁻¹ChemAxon
Polarizability24.17 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]+153.50530932474
DeepCCS[M-H]-151.14730932474
DeepCCS[M-2H]-184.17230932474
DeepCCS[M+Na]+159.59830932474

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazoleClC1=C(NC2=NC(=O)CN2)C2=NSN=C2C=C13823.9Standard polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazoleClC1=C(NC2=NC(=O)CN2)C2=NSN=C2C=C12587.3Standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazoleClC1=C(NC2=NC(=O)CN2)C2=NSN=C2C=C12726.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #1C[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C122790.8Semi standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #1C[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C122544.7Standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #1C[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C125264.8Standard polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #2C[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C122809.7Semi standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #2C[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C122593.7Standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #2C[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C124709.6Standard polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TMS,isomer #1C[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C2708.0Semi standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TMS,isomer #1C[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C2601.5Standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TMS,isomer #1C[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C4185.1Standard polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C122991.4Semi standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C122774.9Standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C125205.0Standard polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #2CC(C)(C)[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C123030.5Semi standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #2CC(C)(C)[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C122796.0Standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #2CC(C)(C)[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C124775.9Standard polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C(C)(C)C3062.4Semi standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C(C)(C)C3027.9Standard non polar33892256
5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C(C)(C)C4117.8Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 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 - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 10V, Positive-QTOFsplash10-014i-0090000000-27032beb0b81065105ea2021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 20V, Positive-QTOFsplash10-014i-0090000000-27032beb0b81065105ea2021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 40V, Positive-QTOFsplash10-0079-0970000000-b9ec5a2533b85790aab52021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 10V, Negative-QTOFsplash10-014i-0090000000-e897dbb6148f6b35d28d2021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 20V, Negative-QTOFsplash10-001i-9010000000-0ba14923ebc3e508ecdf2021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 40V, Negative-QTOFsplash10-001i-9000000000-3521c8aa3ac28eddc62b2021-09-25Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Membrane (predicted from logP)
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 Compound125355057
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. Shellenberger MK, Groves L, Shah J, Novack GD: A controlled pharmacokinetic evaluation of tizanidine and baclofen at steady state. Drug Metab Dispos. 1999 Feb;27(2):201-4. [PubMed:9929503 ]
  2. Kaddar N, Vigneault P, Pilote S, Patoine D, Simard C, Drolet B: Tizanidine (Zanaflex): a muscle relaxant that may prolong the QT interval by blocking IKr. J Cardiovasc Pharmacol Ther. 2012 Mar;17(1):102-9. doi: 10.1177/1074248410395020. Epub 2011 Feb 11. [PubMed:21317414 ]
  3. El-Hefnawy AS, Helmy T, El-Assmy MM, Sarhan O, Hafez AT, Dawaba M: Doxazosin versus tizanidine for treatment of dysfunctional voiding in children: a prospective randomized open-labeled trial. Urology. 2012 Feb;79(2):428-33. doi: 10.1016/j.urology.2011.10.043. Epub 2011 Dec 22. [PubMed:22196407 ]
  4. Zhou SF, Wang B, Yang LP, Liu JP: Structure, function, regulation and polymorphism and the clinical significance of human cytochrome P450 1A2. Drug Metab Rev. 2010 May;42(2):268-354. doi: 10.3109/03602530903286476. [PubMed:19961320 ]