| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2017-11-21 17:43:26 UTC |
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| Update Date | 2022-03-07 03:18:14 UTC |
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| HMDB ID | HMDB0240244 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Temelastine |
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| Description | Temelastine, also known as SK and F 93944, belongs to the class of organic compounds known as pyrimidones. Pyrimidones are compounds that contain a pyrimidine ring, which bears a ketone. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. In humans, temelastine is involved in the temelastine h1-antihistamine action pathway. Temelastine is a primary metabolite. Primary metabolites are metabolically or physiologically essential metabolites. They are directly involved in an organism’s growth, development or reproduction. Based on a literature review very few articles have been published on Temelastine. |
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| Structure | CC1=CC=C(CC2=CN=C(NCCCCC3=C(C)C=C(Br)C=N3)NC2=O)C=N1 InChI=1S/C21H24BrN5O/c1-14-9-18(22)13-25-19(14)5-3-4-8-23-21-26-12-17(20(28)27-21)10-16-7-6-15(2)24-11-16/h6-7,9,11-13H,3-5,8,10H2,1-2H3,(H2,23,26,27,28) |
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| Synonyms | | Value | Source |
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| SK&F 93944 | HMDB | | SK And F 93944 | HMDB | | SK And F-93944 | HMDB | | SKF 93944 | HMDB | | Temelastine | HMDB |
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| Chemical Formula | C21H24BrN5O |
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| Average Molecular Weight | 442.361 |
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| Monoisotopic Molecular Weight | 441.116423 |
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| IUPAC Name | 2-{[4-(5-bromo-3-methylpyridin-2-yl)butyl]amino}-5-[(6-methylpyridin-3-yl)methyl]-3,4-dihydropyrimidin-4-one |
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| Traditional Name | temelastine |
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| CAS Registry Number | 86181-42-2 |
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| SMILES | CC1=CC=C(CC2=CN=C(NCCCCC3=C(C)C=C(Br)C=N3)NC2=O)C=N1 |
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| InChI Identifier | InChI=1S/C21H24BrN5O/c1-14-9-18(22)13-25-19(14)5-3-4-8-23-21-26-12-17(20(28)27-21)10-16-7-6-15(2)24-11-16/h6-7,9,11-13H,3-5,8,10H2,1-2H3,(H2,23,26,27,28) |
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| InChI Key | OGEAASSLWZDQBM-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as pyrimidones. Pyrimidones are compounds that contain a pyrimidine ring, which bears a ketone. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Diazines |
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| Sub Class | Pyrimidines and pyrimidine derivatives |
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| Direct Parent | Pyrimidones |
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| Alternative Parents | |
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| Substituents | - Aminopyrimidine
- Pyrimidone
- Secondary aliphatic/aromatic amine
- Methylpyridine
- Aryl bromide
- Aryl halide
- Hydropyrimidine
- Pyridine
- Heteroaromatic compound
- Lactam
- Secondary amine
- Azacycle
- Organopnictogen compound
- Organic oxygen compound
- Amine
- Organooxygen compound
- Organonitrogen compound
- Organobromide
- Organohalogen compound
- Organic nitrogen compound
- Hydrocarbon derivative
- Organic oxide
- 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 | |
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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. | 6.11 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.4146 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.76 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1461.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 192.0 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 177.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 160.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 94.0 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 444.4 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 | 467.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 123.3 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 889.4 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 347.6 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 | 1404.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 256.6 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 331.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 326.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 138.3 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 | 75.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Temelastine,1TMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C)[NH]C2=O)C=N1 | 3463.6 | Semi standard non polar | 33892256 | | Temelastine,1TMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C)[NH]C2=O)C=N1 | 3197.2 | Standard non polar | 33892256 | | Temelastine,1TMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C)[NH]C2=O)C=N1 | 4644.9 | Standard polar | 33892256 | | Temelastine,1TMS,isomer #2 | CC1=CC=C(CC2=CN=C(NCCCCC3=NC=C(Br)C=C3C)N([Si](C)(C)C)C2=O)C=N1 | 3620.3 | Semi standard non polar | 33892256 | | Temelastine,1TMS,isomer #2 | CC1=CC=C(CC2=CN=C(NCCCCC3=NC=C(Br)C=C3C)N([Si](C)(C)C)C2=O)C=N1 | 3212.7 | Standard non polar | 33892256 | | Temelastine,1TMS,isomer #2 | CC1=CC=C(CC2=CN=C(NCCCCC3=NC=C(Br)C=C3C)N([Si](C)(C)C)C2=O)C=N1 | 4739.7 | Standard polar | 33892256 | | Temelastine,2TMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C)N([Si](C)(C)C)C2=O)C=N1 | 3544.9 | Semi standard non polar | 33892256 | | Temelastine,2TMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C)N([Si](C)(C)C)C2=O)C=N1 | 3178.2 | Standard non polar | 33892256 | | Temelastine,2TMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C)N([Si](C)(C)C)C2=O)C=N1 | 4330.7 | Standard polar | 33892256 | | Temelastine,1TBDMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C(C)(C)C)[NH]C2=O)C=N1 | 3663.9 | Semi standard non polar | 33892256 | | Temelastine,1TBDMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C(C)(C)C)[NH]C2=O)C=N1 | 3393.4 | Standard non polar | 33892256 | | Temelastine,1TBDMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C(C)(C)C)[NH]C2=O)C=N1 | 4651.5 | Standard polar | 33892256 | | Temelastine,1TBDMS,isomer #2 | CC1=CC=C(CC2=CN=C(NCCCCC3=NC=C(Br)C=C3C)N([Si](C)(C)C(C)(C)C)C2=O)C=N1 | 3779.5 | Semi standard non polar | 33892256 | | Temelastine,1TBDMS,isomer #2 | CC1=CC=C(CC2=CN=C(NCCCCC3=NC=C(Br)C=C3C)N([Si](C)(C)C(C)(C)C)C2=O)C=N1 | 3408.5 | Standard non polar | 33892256 | | Temelastine,1TBDMS,isomer #2 | CC1=CC=C(CC2=CN=C(NCCCCC3=NC=C(Br)C=C3C)N([Si](C)(C)C(C)(C)C)C2=O)C=N1 | 4702.4 | Standard polar | 33892256 | | Temelastine,2TBDMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C2=O)C=N1 | 3930.8 | Semi standard non polar | 33892256 | | Temelastine,2TBDMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C2=O)C=N1 | 3544.6 | Standard non polar | 33892256 | | Temelastine,2TBDMS,isomer #1 | CC1=CC=C(CC2=CN=C(N(CCCCC3=NC=C(Br)C=C3C)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C2=O)C=N1 | 4380.9 | 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 - Temelastine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Temelastine 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 - Temelastine 10V, Positive-QTOF | splash10-0006-0220900000-27c0d49a67eb91895cdc | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 20V, Positive-QTOF | splash10-016u-1690400000-9dee478c37683ce817b4 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 40V, Positive-QTOF | splash10-0gb9-3920000000-0f648f74ca0e74e53c94 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 10V, Negative-QTOF | splash10-0006-0033900000-029790136c989f2000b7 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 20V, Negative-QTOF | splash10-014l-2291200000-31713515fbafc306f1c4 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 40V, Negative-QTOF | splash10-0006-8930000000-a685d36f6382eb65e67b | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 10V, Negative-QTOF | splash10-0006-0000900000-1adba52cbe6f97528ba7 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 20V, Negative-QTOF | splash10-0006-1012900000-63ab7fcd9bc26bf748ed | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 40V, Negative-QTOF | splash10-002f-6900000000-e14a5969a1a2fb952149 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 10V, Positive-QTOF | splash10-0006-0000900000-a5aee3bc8efcd715a026 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 20V, Positive-QTOF | splash10-0006-0435900000-3e1c36879dca59164caa | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Temelastine 40V, Positive-QTOF | splash10-0fba-5971100000-cdfdb3d3b7715358a1c9 | 2021-09-24 | Wishart Lab | View Spectrum |
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