| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-09-10 21:29:28 UTC |
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| Update Date | 2021-09-26 22:52:00 UTC |
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| HMDB ID | HMDB0244326 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | 2,5-Dimercapto-1,3,4-thiadiazole |
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| Description | 1,3,4-thiadiazole-2,5-dithiol belongs to the class of organic compounds known as thiadiazoles. These are cyclic organic compounds containing a thiadiazole ring, which is a five-membered aromatic heterocycle made up of one sulfur atom and two nitrogen atoms. Based on a literature review a significant number of articles have been published on 1,3,4-thiadiazole-2,5-dithiol. This compound has been identified in human blood as reported by (PMID: 31557052 ). 2,5-dimercapto-1,3,4-thiadiazole is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 2,5-Dimercapto-1,3,4-thiadiazole 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/C2H2N2S3/c5-1-3-4-2(6)7-1/h(H,3,5)(H,4,6) |
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| Synonyms | | Value | Source |
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| 2,5-dimercapto-1,3,4-Thiadiazole | MeSH | | 5-mercapto-1,3,4-Thiadiazolidine-2-thione | MeSH | | 2,5-dimercapto-1-Thia-3,4-diazole | MeSH | | Bismuthiol I | MeSH | | Bismuthol I | MeSH | | 2,5-dimercapto-1,3,4-Thiadiazole, dipotassium salt | MeSH | | 2,5-dimercapto-1,3,4-Thiadiazole, disodium salt | MeSH |
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| Chemical Formula | C2H2N2S3 |
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| Average Molecular Weight | 150.23 |
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| Monoisotopic Molecular Weight | 149.938011594 |
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| IUPAC Name | 1,3,4-thiadiazole-2,5-dithiol |
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| Traditional Name | 1,3,4-thiadiazole-2,5-dithiol |
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| CAS Registry Number | Not Available |
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| SMILES | SC1=NN=C(S)S1 |
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| InChI Identifier | InChI=1S/C2H2N2S3/c5-1-3-4-2(6)7-1/h(H,3,5)(H,4,6) |
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| InChI Key | BIGYLAKFCGVRAN-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as thiadiazoles. These are cyclic organic compounds containing a thiadiazole ring, which 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 | Azoles |
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| Sub Class | Thiadiazoles |
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| Direct Parent | Thiadiazoles |
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| Alternative Parents | |
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| Substituents | - Heteroaromatic compound
- Thiadiazole
- Azacycle
- Organic nitrogen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Organosulfur compound
- Organonitrogen compound
- Aromatic heteromonocyclic compound
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| Molecular Framework | Aromatic heteromonocyclic 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 SectionsPredicted 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 × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. | 2.39 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.9821 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.57 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1219.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 436.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 139.5 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 320.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 126.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 343.0 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 | 383.3 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 392.4 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 784.0 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 245.8 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 | 1064.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 289.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 345.1 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 770.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 304.9 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 | 297.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 2,5-Dimercapto-1,3,4-thiadiazole,1TMS,isomer #1 | C[Si](C)(C)SC1=NN=C(S)S1 | 1913.9 | Semi standard non polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,1TMS,isomer #1 | C[Si](C)(C)SC1=NN=C(S)S1 | 1567.0 | Standard non polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,1TMS,isomer #1 | C[Si](C)(C)SC1=NN=C(S)S1 | 2051.0 | Standard polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,2TMS,isomer #1 | C[Si](C)(C)SC1=NN=C(S[Si](C)(C)C)S1 | 1818.3 | Semi standard non polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,2TMS,isomer #1 | C[Si](C)(C)SC1=NN=C(S[Si](C)(C)C)S1 | 1715.1 | Standard non polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,2TMS,isomer #1 | C[Si](C)(C)SC1=NN=C(S[Si](C)(C)C)S1 | 2123.8 | Standard polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)SC1=NN=C(S)S1 | 2176.2 | Semi standard non polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)SC1=NN=C(S)S1 | 1847.9 | Standard non polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)SC1=NN=C(S)S1 | 2225.6 | Standard polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)SC1=NN=C(S[Si](C)(C)C(C)(C)C)S1 | 2383.1 | Semi standard non polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)SC1=NN=C(S[Si](C)(C)C(C)(C)C)S1 | 2243.6 | Standard non polar | 33892256 | | 2,5-Dimercapto-1,3,4-thiadiazole,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)SC1=NN=C(S[Si](C)(C)C(C)(C)C)S1 | 2311.5 | 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 - 2,5-Dimercapto-1,3,4-thiadiazole GC-MS (Non-derivatized) - 70eV, Positive | splash10-002b-6900000000-61fe1be835ac32f38d4a | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 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 - 2,5-Dimercapto-1,3,4-thiadiazole 10V, Positive-QTOF | splash10-0udi-0900000000-a0b39af5922ab1195a72 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 20V, Positive-QTOF | splash10-0ufr-6900000000-a69d4ea33143478bdcf3 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 40V, Positive-QTOF | splash10-004i-9300000000-af5fdc1e18992945effb | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 10V, Negative-QTOF | splash10-0002-0900000000-944c4648f68b351021a3 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 20V, Negative-QTOF | splash10-0002-1900000000-afd991c9ab31e328c7bf | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 40V, Negative-QTOF | splash10-0002-1900000000-81d198908e4d74a31c58 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 10V, Positive-QTOF | splash10-0udi-0900000000-d5b6e1c43112835e3dce | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 20V, Positive-QTOF | splash10-0udi-0900000000-e7a7719bc3542d605386 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 40V, Positive-QTOF | splash10-004l-9100000000-a7bbafa2c7e113c4929e | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 10V, Negative-QTOF | splash10-004i-9000000000-0f2081a90448c69c871a | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 20V, Negative-QTOF | splash10-004j-9400000000-ab52e518e7055eddafc9 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,5-Dimercapto-1,3,4-thiadiazole 40V, Negative-QTOF | splash10-001i-9100000000-4fb3d0e7e675902058e5 | 2021-10-12 | Wishart Lab | View Spectrum |
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