| 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 17:04:21 UTC |
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| Update Date | 2021-09-26 23:12:18 UTC |
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| HMDB ID | HMDB0256556 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Pinacidil |
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| Description | Pinacidil belongs to the class of organic compounds known as pyridines and derivatives. Pyridines and derivatives are compounds containing a pyridine ring, which is a six-member aromatic heterocycle which consists of one nitrogen atom and five carbon atoms. Based on a literature review very few articles have been published on Pinacidil. This compound has been identified in human blood as reported by (PMID: 31557052 ). Pinacidil is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Pinacidil 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 | CC(NC(=NC#N)N=C1C=CNC=C1)C(C)(C)C InChI=1S/C13H19N5/c1-10(13(2,3)4)17-12(16-9-14)18-11-5-7-15-8-6-11/h5-8,10H,1-4H3,(H2,15,16,17,18) |
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| Synonyms | | Value | Source |
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| Pinacidil anhydrous | MeSH | | Anhydrous, pinacidil | MeSH | | Pinacidil | MeSH | | Pindac | MeSH |
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| Chemical Formula | C13H19N5 |
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| Average Molecular Weight | 245.33 |
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| Monoisotopic Molecular Weight | 245.164045632 |
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| IUPAC Name | N''-cyano-N-(1,4-dihydropyridin-4-ylidene)-N'-(3,3-dimethylbutan-2-yl)guanidine |
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| Traditional Name | N''-cyano-N'-(3,3-dimethylbutan-2-yl)-N-(1H-pyridin-4-ylidene)guanidine |
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| CAS Registry Number | Not Available |
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| SMILES | CC(NC(=NC#N)N=C1C=CNC=C1)C(C)(C)C |
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| InChI Identifier | InChI=1S/C13H19N5/c1-10(13(2,3)4)17-12(16-9-14)18-11-5-7-15-8-6-11/h5-8,10H,1-4H3,(H2,15,16,17,18) |
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| InChI Key | IVVNZDGDKPTYHK-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as pyridines and derivatives. Pyridines and derivatives are compounds containing a pyridine ring, which is a six-member aromatic heterocycle which consists of one nitrogen atom and five carbon atoms. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Pyridines and derivatives |
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| Sub Class | Not Available |
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| Direct Parent | Pyridines and derivatives |
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| Alternative Parents | |
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| Substituents | - Pyridine
- Heteroaromatic compound
- Guanidine
- Azacycle
- Organic 1,3-dipolar compound
- Propargyl-type 1,3-dipolar organic compound
- Carboximidamide
- Organic nitrogen compound
- Organopnictogen compound
- Hydrocarbon derivative
- 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. Predicted by Afia on May 17, 2022. | 2.66 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.0468 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.12 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 716.8 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 238.6 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 79.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 147.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 54.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 328.0 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 | 311.6 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 238.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 687.0 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 44.3 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 | 676.8 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 181.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 233.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 467.0 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 400.5 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 | 26.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Pinacidil,1TMS,isomer #1 | CC(N(C(=NC#N)N=C1C=C[NH]C=C1)[Si](C)(C)C)C(C)(C)C | 2046.7 | Semi standard non polar | 33892256 | | Pinacidil,1TMS,isomer #1 | CC(N(C(=NC#N)N=C1C=C[NH]C=C1)[Si](C)(C)C)C(C)(C)C | 2135.3 | Standard non polar | 33892256 | | Pinacidil,1TMS,isomer #1 | CC(N(C(=NC#N)N=C1C=C[NH]C=C1)[Si](C)(C)C)C(C)(C)C | 3069.2 | Standard polar | 33892256 | | Pinacidil,1TMS,isomer #2 | CC(NC(=NC#N)N=C1C=CN([Si](C)(C)C)C=C1)C(C)(C)C | 2247.7 | Semi standard non polar | 33892256 | | Pinacidil,1TMS,isomer #2 | CC(NC(=NC#N)N=C1C=CN([Si](C)(C)C)C=C1)C(C)(C)C | 2292.7 | Standard non polar | 33892256 | | Pinacidil,1TMS,isomer #2 | CC(NC(=NC#N)N=C1C=CN([Si](C)(C)C)C=C1)C(C)(C)C | 3208.1 | Standard polar | 33892256 | | Pinacidil,2TMS,isomer #1 | CC(N(C(=NC#N)N=C1C=CN([Si](C)(C)C)C=C1)[Si](C)(C)C)C(C)(C)C | 2209.6 | Semi standard non polar | 33892256 | | Pinacidil,2TMS,isomer #1 | CC(N(C(=NC#N)N=C1C=CN([Si](C)(C)C)C=C1)[Si](C)(C)C)C(C)(C)C | 2339.7 | Standard non polar | 33892256 | | Pinacidil,2TMS,isomer #1 | CC(N(C(=NC#N)N=C1C=CN([Si](C)(C)C)C=C1)[Si](C)(C)C)C(C)(C)C | 3071.2 | Standard polar | 33892256 | | Pinacidil,1TBDMS,isomer #1 | CC(N(C(=NC#N)N=C1C=C[NH]C=C1)[Si](C)(C)C(C)(C)C)C(C)(C)C | 2276.0 | Semi standard non polar | 33892256 | | Pinacidil,1TBDMS,isomer #1 | CC(N(C(=NC#N)N=C1C=C[NH]C=C1)[Si](C)(C)C(C)(C)C)C(C)(C)C | 2361.2 | Standard non polar | 33892256 | | Pinacidil,1TBDMS,isomer #1 | CC(N(C(=NC#N)N=C1C=C[NH]C=C1)[Si](C)(C)C(C)(C)C)C(C)(C)C | 3131.9 | Standard polar | 33892256 | | Pinacidil,1TBDMS,isomer #2 | CC(NC(=NC#N)N=C1C=CN([Si](C)(C)C(C)(C)C)C=C1)C(C)(C)C | 2446.0 | Semi standard non polar | 33892256 | | Pinacidil,1TBDMS,isomer #2 | CC(NC(=NC#N)N=C1C=CN([Si](C)(C)C(C)(C)C)C=C1)C(C)(C)C | 2464.2 | Standard non polar | 33892256 | | Pinacidil,1TBDMS,isomer #2 | CC(NC(=NC#N)N=C1C=CN([Si](C)(C)C(C)(C)C)C=C1)C(C)(C)C | 3317.8 | Standard polar | 33892256 | | Pinacidil,2TBDMS,isomer #1 | CC(N(C(=NC#N)N=C1C=CN([Si](C)(C)C(C)(C)C)C=C1)[Si](C)(C)C(C)(C)C)C(C)(C)C | 2647.8 | Semi standard non polar | 33892256 | | Pinacidil,2TBDMS,isomer #1 | CC(N(C(=NC#N)N=C1C=CN([Si](C)(C)C(C)(C)C)C=C1)[Si](C)(C)C(C)(C)C)C(C)(C)C | 2730.1 | Standard non polar | 33892256 | | Pinacidil,2TBDMS,isomer #1 | CC(N(C(=NC#N)N=C1C=CN([Si](C)(C)C(C)(C)C)C=C1)[Si](C)(C)C(C)(C)C)C(C)(C)C | 3193.6 | 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 - Pinacidil GC-MS (Non-derivatized) - 70eV, Positive | splash10-053g-9710000000-dcb1e96f408ad72d9b60 | 2017-08-28 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Pinacidil 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 - Pinacidil LC-ESI-qTof , Positive-QTOF | splash10-0002-2790000000-b4614b7b3adabc514ad4 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Pinacidil LC-ESI-qTof , Positive-QTOF | splash10-00dj-5901100000-3131ef3fa766db3846ca | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Pinacidil , positive-QTOF | splash10-0002-2790000000-b4614b7b3adabc514ad4 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Pinacidil , positive-QTOF | splash10-00dj-5901100000-3131ef3fa766db3846ca | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Pinacidil 35V, Positive-QTOF | splash10-00dj-4900000000-6ea0e6ec43e761e2026b | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Pinacidil 35V, Negative-QTOF | splash10-0006-9010000000-e89fa35b9369d57543f7 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pinacidil 10V, Positive-QTOF | splash10-0002-0390000000-6bf762d0ab9f22a1561d | 2017-07-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pinacidil 20V, Positive-QTOF | splash10-0002-4790000000-7fc7462e875e95e7b94b | 2017-07-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pinacidil 40V, Positive-QTOF | splash10-015j-9800000000-1655d3cf0c0c6f514d15 | 2017-07-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pinacidil 10V, Negative-QTOF | splash10-0006-1190000000-9c5fa083e1d0b2e2a8f8 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pinacidil 20V, Negative-QTOF | splash10-0006-5490000000-46e51af8013203dbd898 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pinacidil 40V, Negative-QTOF | splash10-0006-9500000000-02232c7eb43a7b09b6bd | 2017-07-26 | Wishart Lab | View Spectrum |
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