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 12:04:48 UTC |
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Update Date | 2021-09-26 23:06:46 UTC |
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HMDB ID | HMDB0253507 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | Iobenguane |
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Description | Iobenguane belongs to the class of organic compounds known as iodobenzenes. These are aromatic compounds containing one or more iodine atoms attached to a benzene. Iodine 123 is a cyclotron-produced radionuclide that decays to Te 123 by electron capture. The radioisotope used can either be iodine-123 for imaging or iodine-131 for destruction of tissues that metabolize noradrenaline. Images are produced by a I123 MIBG scintigraphy. Iobenguane is a very strong basic compound (based on its pKa). AdreView is a diagnostic radiopharmaceutical which contains a small quantity of iobenguane that is not expected to produce a pharmacodynamic effect. Patients with renal insufficiency may experience increased radiation exposure and impaired imaging results. Less than 10% of the dose is metabolized into m-iodohippuric acid (MIHA). The most common adverse reactions, dizziness, rash, pruritis, flushing, headache, and injection site hemorrhage occurred in < 1.3% of patients. Structure of iobenguane is similar to noradrenaline so it can be taken up by adrenergic tissue in the adrenal medulla, liver, heart, and spleen. FDA approved on September 19, 2008. Oral, rabbit: LD50 = 3200 mg/kg;. This compound has been identified in human blood as reported by (PMID: 31557052 ). Iobenguane is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Iobenguane 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/C8H10IN3/c9-7-3-1-2-6(4-7)5-12-8(10)11/h1-4H,5H2,(H4,10,11,12) |
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Synonyms | Value | Source |
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(3-iodo-(131I)benzyl)guanidine | MeSH | m Iodobenzylguanidine | MeSH | Meta-iodobenzylguanidine | MeSH | 123I labeled 3-iodobenzylguanidine | MeSH | 3 Iodobenzylguanidine, 125I labeled | MeSH | MIBG | MeSH | 125I labeled 3-iodobenzylguanidine | MeSH | 3 Iodobenzylguanidine | MeSH | 3 Iodobenzylguanidine, 123I labeled | MeSH | 3-Iodobenzylguanidine | MeSH | 3-Iodobenzylguanidine, 123I labeled | MeSH | 3-Iodobenzylguanidine, 125I labeled | MeSH | m-Iodobenzylguanidine | MeSH | Iobenguane (131I) | MeSH | Meta iodobenzylguanidine | MeSH |
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Chemical Formula | C8H10IN3 |
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Average Molecular Weight | 275.0896 |
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Monoisotopic Molecular Weight | 274.991940755 |
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IUPAC Name | 2-[(3-iodophenyl)methyl]guanidine |
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Traditional Name | meta iodobenzylguanidine |
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CAS Registry Number | Not Available |
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SMILES | NC(N)=NCC1=CC(I)=CC=C1 |
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InChI Identifier | InChI=1S/C8H10IN3/c9-7-3-1-2-6(4-7)5-12-8(10)11/h1-4H,5H2,(H4,10,11,12) |
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InChI Key | PDWUPXJEEYOOTR-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as iodobenzenes. These are aromatic compounds containing one or more iodine atoms attached to a benzene. |
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Kingdom | Organic compounds |
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Super Class | Benzenoids |
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Class | Benzene and substituted derivatives |
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Sub Class | Halobenzenes |
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Direct Parent | Iodobenzenes |
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Alternative Parents | |
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Substituents | - Iodobenzene
- Aryl iodide
- Aryl halide
- Guanidine
- Organic 1,3-dipolar compound
- Propargyl-type 1,3-dipolar organic compound
- Carboximidamide
- Organic nitrogen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Organonitrogen compound
- Organoiodide
- Organohalogen compound
- Aromatic homomonocyclic compound
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Molecular Framework | Aromatic homomonocyclic 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 | | Show more...
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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Iobenguane,1TMS,isomer #1 | C[Si](C)(C)NC(N)=NCC1=CC=CC(I)=C1 | 2072.0 | Semi standard non polar | 33892256 | Iobenguane,1TMS,isomer #1 | C[Si](C)(C)NC(N)=NCC1=CC=CC(I)=C1 | 1921.7 | Standard non polar | 33892256 | Iobenguane,1TMS,isomer #1 | C[Si](C)(C)NC(N)=NCC1=CC=CC(I)=C1 | 2795.8 | Standard polar | 33892256 | Iobenguane,2TMS,isomer #1 | C[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N[Si](C)(C)C | 2216.6 | Semi standard non polar | 33892256 | Iobenguane,2TMS,isomer #1 | C[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N[Si](C)(C)C | 1895.2 | Standard non polar | 33892256 | Iobenguane,2TMS,isomer #1 | C[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N[Si](C)(C)C | 2600.5 | Standard polar | 33892256 | Iobenguane,2TMS,isomer #2 | C[Si](C)(C)N(C(N)=NCC1=CC=CC(I)=C1)[Si](C)(C)C | 2159.0 | Semi standard non polar | 33892256 | Iobenguane,2TMS,isomer #2 | C[Si](C)(C)N(C(N)=NCC1=CC=CC(I)=C1)[Si](C)(C)C | 2083.3 | Standard non polar | 33892256 | Iobenguane,2TMS,isomer #2 | C[Si](C)(C)N(C(N)=NCC1=CC=CC(I)=C1)[Si](C)(C)C | 2746.9 | Standard polar | 33892256 | Iobenguane,3TMS,isomer #1 | C[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C)[Si](C)(C)C | 2210.9 | Semi standard non polar | 33892256 | Iobenguane,3TMS,isomer #1 | C[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C)[Si](C)(C)C | 2089.3 | Standard non polar | 33892256 | Iobenguane,3TMS,isomer #1 | C[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C)[Si](C)(C)C | 2390.9 | Standard polar | 33892256 | Iobenguane,4TMS,isomer #1 | C[Si](C)(C)N(C(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 2255.1 | Semi standard non polar | 33892256 | Iobenguane,4TMS,isomer #1 | C[Si](C)(C)N(C(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 2286.7 | Standard non polar | 33892256 | Iobenguane,4TMS,isomer #1 | C[Si](C)(C)N(C(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 2173.5 | Standard polar | 33892256 | Iobenguane,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC(N)=NCC1=CC=CC(I)=C1 | 2289.6 | Semi standard non polar | 33892256 | Iobenguane,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC(N)=NCC1=CC=CC(I)=C1 | 2167.3 | Standard non polar | 33892256 | Iobenguane,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC(N)=NCC1=CC=CC(I)=C1 | 2914.6 | Standard polar | 33892256 | Iobenguane,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N[Si](C)(C)C(C)(C)C | 2640.1 | Semi standard non polar | 33892256 | Iobenguane,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N[Si](C)(C)C(C)(C)C | 2342.0 | Standard non polar | 33892256 | Iobenguane,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N[Si](C)(C)C(C)(C)C | 2656.8 | Standard polar | 33892256 | Iobenguane,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N(C(N)=NCC1=CC=CC(I)=C1)[Si](C)(C)C(C)(C)C | 2517.4 | Semi standard non polar | 33892256 | Iobenguane,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N(C(N)=NCC1=CC=CC(I)=C1)[Si](C)(C)C(C)(C)C | 2494.5 | Standard non polar | 33892256 | Iobenguane,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N(C(N)=NCC1=CC=CC(I)=C1)[Si](C)(C)C(C)(C)C | 2896.2 | Standard polar | 33892256 | Iobenguane,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2804.2 | Semi standard non polar | 33892256 | Iobenguane,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2675.7 | Standard non polar | 33892256 | Iobenguane,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2611.3 | Standard polar | 33892256 | Iobenguane,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N(C(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3027.6 | Semi standard non polar | 33892256 | Iobenguane,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N(C(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2998.3 | Standard non polar | 33892256 | Iobenguane,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N(C(=NCC1=CC=CC(I)=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2513.7 | Standard polar | 33892256 |
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Spectra |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - Iobenguane GC-MS (Non-derivatized) - 70eV, Positive | splash10-014l-6390000000-640361ed282a3fc2307a | 2017-08-28 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Iobenguane GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 10V, Positive-QTOF | splash10-004i-0090000000-b3e76b79f5d46e05883e | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 20V, Positive-QTOF | splash10-0059-0090000000-1911bfc0197ac56701cd | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 40V, Positive-QTOF | splash10-0006-9350000000-c62170aa98fc5ba091f4 | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 10V, Negative-QTOF | splash10-0089-0090000000-6e8494d4f9d207c202a7 | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 20V, Negative-QTOF | splash10-001i-0090000000-6466be43f7795b19bee3 | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 40V, Negative-QTOF | splash10-0006-9140000000-0579f63118d89ba7131e | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 10V, Positive-QTOF | splash10-016r-0090000000-2af9c404886fbbb4e3df | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 20V, Positive-QTOF | splash10-014i-0090000000-642fc9e3486633795624 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 40V, Positive-QTOF | splash10-014i-1590000000-f167610a98c4d564aa14 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 10V, Negative-QTOF | splash10-0036-7090000000-4d662d91bb96651374ba | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 20V, Negative-QTOF | splash10-0006-9110000000-e869684000929e923df1 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Iobenguane 40V, Negative-QTOF | splash10-004i-4900000000-ebee621b00db762eb0ef | 2021-10-12 | Wishart Lab | View Spectrum |
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Biological Properties |
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Cellular Locations | Not Available |
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Biospecimen Locations | |
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Tissue Locations | Not Available |
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Pathways | |
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Normal Concentrations |
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Blood | Detected but not Quantified | Not Quantified | Not Specified | Not Specified | Normal | | details |
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Abnormal Concentrations |
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| Not Available |
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Associated Disorders and Diseases |
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Disease References | None |
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Associated OMIM IDs | None |
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External Links |
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DrugBank ID | DB06704 |
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Phenol Explorer Compound ID | Not Available |
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FooDB ID | Not Available |
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KNApSAcK ID | Not Available |
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Chemspider ID | Not Available |
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KEGG Compound ID | Not Available |
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BioCyc ID | Not Available |
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BiGG ID | Not Available |
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Wikipedia Link | Iobenguane |
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METLIN ID | Not Available |
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PubChem Compound | 60860 |
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PDB ID | Not Available |
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ChEBI ID | Not Available |
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Food Biomarker Ontology | Not Available |
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VMH ID | Not Available |
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MarkerDB ID | Not Available |
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Good Scents ID | Not Available |
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References |
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Synthesis Reference | Not Available |
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Material Safety Data Sheet (MSDS) | Not Available |
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General References | - Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]
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