| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-09-11 03:27:26 UTC |
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| Update Date | 2022-09-22 17:44:21 UTC |
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| HMDB ID | HMDB0248993 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Benzimidazole |
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| Description | Benzimidazole, also known as 1,3-benzodiazole or 1,3-diazaindene, belongs to the class of organic compounds known as benzimidazoles. These are organic compounds containing a benzene ring fused to an imidazole ring (five member ring containing a nitrogen atom, 4 carbon atoms, and two double bonds). Benzimidazole is a very strong basic compound (based on its pKa). The 1H-tautomer of benzimidazole. This compound has been identified in human blood as reported by (PMID: 31557052 ). Benzimidazole is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Benzimidazole 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. |
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| Structure | InChI=1S/C7H6N2/c1-2-4-7-6(3-1)8-5-9-7/h1-5H,(H,8,9) |
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| Synonyms | | Value | Source |
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| 1,3-Benzodiazole | ChEBI | | 1,3-Diazaindene | ChEBI | | Azindole | ChEBI | | Benzoglyoxaline | ChEBI | | Hbim | ChEBI | | Hbzim | ChEBI | | O-Benzimidazole | ChEBI | | Benzimidazole | ChEBI | | Benzimidazole monohydrochloride | MeSH | | Benzimidazole mononitrate | MeSH |
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| Chemical Formula | C7H6N2 |
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| Average Molecular Weight | 118.1359 |
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| Monoisotopic Molecular Weight | 118.053098202 |
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| IUPAC Name | 1H-1,3-benzodiazole |
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| Traditional Name | benzimidazole |
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| CAS Registry Number | Not Available |
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| SMILES | N1C=NC2=CC=CC=C12 |
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| InChI Identifier | InChI=1S/C7H6N2/c1-2-4-7-6(3-1)8-5-9-7/h1-5H,(H,8,9) |
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| InChI Key | HYZJCKYKOHLVJF-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as benzimidazoles. These are organic compounds containing a benzene ring fused to an imidazole ring (five member ring containing a nitrogen atom, 4 carbon atoms, and two double bonds). |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Benzimidazoles |
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| Sub Class | Not Available |
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| Direct Parent | Benzimidazoles |
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| Alternative Parents | |
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| Substituents | - Benzimidazole
- Benzenoid
- Heteroaromatic compound
- Imidazole
- Azole
- Azacycle
- Organic nitrogen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Organonitrogen compound
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | |
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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 SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Predicted by Siyang on May 30, 2022 | 8.4335 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.51 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1011.7 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 319.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 84.2 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 210.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 166.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 278.1 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 | 266.3 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 564.2 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 583.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 186.2 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 | 624.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 179.6 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 239.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 511.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 357.3 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 | 131.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Benzimidazole,1TMS,isomer #1 | C[Si](C)(C)N1C=NC2=CC=CC=C21 | 1564.0 | Semi standard non polar | 33892256 | | Benzimidazole,1TMS,isomer #1 | C[Si](C)(C)N1C=NC2=CC=CC=C21 | 1464.9 | Standard non polar | 33892256 | | Benzimidazole,1TMS,isomer #1 | C[Si](C)(C)N1C=NC2=CC=CC=C21 | 1879.3 | Standard polar | 33892256 | | Benzimidazole,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N1C=NC2=CC=CC=C21 | 1770.9 | Semi standard non polar | 33892256 | | Benzimidazole,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N1C=NC2=CC=CC=C21 | 1665.7 | Standard non polar | 33892256 | | Benzimidazole,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N1C=NC2=CC=CC=C21 | 1993.7 | 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 - Benzimidazole GC-MS (1 TMS) - 70eV, Positive | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Benzimidazole GC-MS (Non-derivatized) - 70eV, Positive | splash10-014i-1900000000-32b834c70848ea7f1481 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Benzimidazole 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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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole LC-ESI-QQ , negative-QTOF | splash10-014i-0900000000-a748760e317519d35edb | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole LC-ESI-QQ , negative-QTOF | splash10-014i-0900000000-237aaedc281a7c6869af | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole LC-ESI-QQ , negative-QTOF | splash10-014i-0900000000-d19bf07c42eb46d0bdc2 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole LC-ESI-QQ , negative-QTOF | splash10-014i-3900000000-ec0018fe194a581ffd72 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole LC-ESI-QQ , negative-QTOF | splash10-00kf-9300000000-4dbba5feb460aad64125 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole LC-ESI-QQ , positive-QTOF | splash10-014i-0900000000-ad44ad5a59274045d611 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole LC-ESI-QQ , positive-QTOF | splash10-014i-0900000000-e13078ed71220f011c2d | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole LC-ESI-QQ , positive-QTOF | splash10-014i-4900000000-aaf85c7703530656ac3b | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole LC-ESI-QQ , positive-QTOF | splash10-014l-9200000000-db09859cc86d414cc704 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole LC-ESI-QQ , positive-QTOF | splash10-014i-9000000000-ec3b4c31062d629a0e89 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole ESI-ITFT , positive-QTOF | splash10-014i-0900000000-c202fec2faf3ae48abc5 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole ESI-ITFT , positive-QTOF | splash10-014i-0900000000-52d1a9a5355bc378ce3a | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole ESI-ITFT , positive-QTOF | splash10-014i-0900000000-16431851c6c511b8d416 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole ESI-ITFT , positive-QTOF | splash10-014i-0900000000-966741cba5b2d1aca700 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole ESI-ITFT , positive-QTOF | splash10-014i-0900000000-617c630f2de78c87d130 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole ESI-ITFT , positive-QTOF | splash10-014i-0900000000-4ca0c3738d04b209f461 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole ESI-ITFT , positive-QTOF | splash10-014i-2900000000-3fd0f394d6fe39aaae0a | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole ESI-ITFT , positive-QTOF | splash10-014i-5900000000-82aeab4fa1e6b14e1abd | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Benzimidazole ESI-ITFT , positive-QTOF | splash10-014l-9500000000-4db723cb3bf3c8c453d9 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Benzimidazole 10V, Positive-QTOF | splash10-014i-0900000000-ab27ee23aeb68d321e42 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Benzimidazole 20V, Positive-QTOF | splash10-014i-1900000000-330df0f86f917285f011 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Benzimidazole 40V, Positive-QTOF | splash10-014i-7900000000-dcc19ff1ab06593e63ba | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Benzimidazole 10V, Negative-QTOF | splash10-014i-0900000000-83a328793b3b48ec48f8 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Benzimidazole 20V, Negative-QTOF | splash10-014i-0900000000-83a328793b3b48ec48f8 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Benzimidazole 40V, Negative-QTOF | splash10-014i-1900000000-7c7647343faced64607b | 2016-08-03 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum |
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