| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2013-07-09 16:09:50 UTC |
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| Update Date | 2019-07-23 07:15:29 UTC |
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| HMDB ID | HMDB0060964 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole |
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| Description | 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. 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. It is also prescribed off-label for migraine headaches, as a sleep aid, and as an anticonvulsant (Wikipedia). |
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| Structure | ClC1=C(NC2=NC(=O)CN2)C2=NSN=C2C=C1 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) |
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| Synonyms | | Value | Source |
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| 2-[(5-Chloro-2,1,3-benzothiadiazol-4-yl)amino]-3,5-dihydro-4H-imidazol-4-one | HMDB | | DS 200-717 | HMDB | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole | HMDB |
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| Chemical Formula | C9H6ClN5OS |
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| Average Molecular Weight | 267.69 |
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| Monoisotopic Molecular Weight | 266.9981587 |
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| IUPAC Name | 2-[(5-chloro-2,1,3-benzothiadiazol-4-yl)amino]-4,5-dihydro-1H-imidazol-4-one |
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| Traditional Name | 2-[(5-chloro-2,1,3-benzothiadiazol-4-yl)amino]-1,5-dihydroimidazol-4-one |
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| CAS Registry Number | 125292-32-2 |
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| SMILES | ClC1=C(NC2=NC(=O)CN2)C2=NSN=C2C=C1 |
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| 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) |
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| InChI Key | UAPHNYZODWBPMU-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| 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. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Benzothiadiazoles |
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| Sub Class | Not Available |
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| Direct Parent | Benzothiadiazoles |
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| Alternative Parents | |
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| 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
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Not Available |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross Sections| Predictor | Adduct Type | CCS Value (Å2) | Reference |
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| DeepCCS | [M+H]+ | 153.505 | 30932474 | | DeepCCS | [M-H]- | 151.147 | 30932474 | | DeepCCS | [M-2H]- | 184.172 | 30932474 | | DeepCCS | [M+Na]+ | 159.598 | 30932474 |
Predicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm √ó 2.1 mm; 1.7 Œºmparticle diameter). Predicted by Afia on May 17, 2022. | 2.04 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.1457 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.43 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1485.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 334.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 104.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 207.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 92.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 331.8 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 508.4 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 169.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 827.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 333.5 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1135.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 277.9 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 268.2 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 518.6 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 251.5 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 155.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #1 | C[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C12 | 2790.8 | Semi standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #1 | C[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C12 | 2544.7 | Standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #1 | C[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C12 | 5264.8 | Standard polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #2 | C[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C12 | 2809.7 | Semi standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #2 | C[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C12 | 2593.7 | Standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TMS,isomer #2 | C[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C12 | 4709.6 | Standard polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TMS,isomer #1 | C[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C | 2708.0 | Semi standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TMS,isomer #1 | C[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C | 2601.5 | Standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TMS,isomer #1 | C[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C | 4185.1 | Standard polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C12 | 2991.4 | Semi standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C12 | 2774.9 | Standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N(C1=NC(=O)CN1)C1=C(Cl)C=CC2=NSN=C12 | 5205.0 | Standard polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C12 | 3030.5 | Semi standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C12 | 2796.0 | Standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N1CC(=O)N=C1NC1=C(Cl)C=CC2=NSN=C12 | 4775.9 | Standard polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C(C)(C)C | 3062.4 | Semi standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C(C)(C)C | 3027.9 | Standard non polar | 33892256 | | 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N1CC(=O)N=C1N(C1=C(Cl)C=CC2=NSN=C12)[Si](C)(C)C(C)(C)C | 4117.8 | Standard polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 10V, Positive-QTOF | splash10-014i-0090000000-27032beb0b81065105ea | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 20V, Positive-QTOF | splash10-014i-0090000000-27032beb0b81065105ea | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 40V, Positive-QTOF | splash10-0079-0970000000-b9ec5a2533b85790aab5 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 10V, Negative-QTOF | splash10-014i-0090000000-e897dbb6148f6b35d28d | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 20V, Negative-QTOF | splash10-001i-9010000000-0ba14923ebc3e508ecdf | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiazdiazole 40V, Negative-QTOF | splash10-001i-9000000000-3521c8aa3ac28eddc62b | 2021-09-25 | Wishart Lab | View Spectrum |
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| General References | - 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 ]
- 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 ]
- 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 ]
- 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 ]
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