| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-06 15:16:49 UTC |
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| Update Date | 2022-03-07 02:51:36 UTC |
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| HMDB ID | HMDB0014386 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Butalbital |
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| Description | Butalbital, also known as allylbarbital or itobarbital, belongs to the class of organic compounds known as barbituric acid derivatives. Barbituric acid derivatives are compounds containing a perhydropyrimidine ring substituted at C-2, -4 and -6 by oxo groups. Pain perception and reaction are relatively unimpaired until the moment of unconsciousness . Butalbital is a very weakly acidic compound (based on its pKa). In humans, butalbital is involved in acetaminophen action pathway. Butalbital is a short to intermediate-acting barbiturate that reversibly depresses the activity of excitable tissues, including the central nervous system in a nonselective manner . Butalbital is a potentially toxic compound. Additionally, barbiturates promote benzodiazepine binding to the receptor . |
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| Structure | CC(C)CC1(CC=C)C(=O)NC(=O)NC1=O InChI=1S/C11H16N2O3/c1-4-5-11(6-7(2)3)8(14)12-10(16)13-9(11)15/h4,7H,1,5-6H2,2-3H3,(H2,12,13,14,15,16) |
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| Synonyms | | Value | Source |
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| 5-(2-Methylpropyl)-5-prop-2-enyl-1,3-diazinane-2,4,6-trione | ChEBI | | 5-Allyl-5-(2'-methyl-N-propyl) barbituric acid | ChEBI | | 5-Allyl-5-(2-methylpropyl)barbituric acid | ChEBI | | 5-Allyl-5-isobutyl-2,4,6(1H,3H,5H)-pyrimidinetrione | ChEBI | | 5-Allyl-5-isobutyl-pyrimidine-2,4,6-trione | ChEBI | | 5-Allyl-5-isobutylbarbituric acid | ChEBI | | 5-Isobutyl-5-allylbarbituric acid | ChEBI | | Allylbarbital | ChEBI | | Allylbarbitone | ChEBI | | Allylbarbituric acid | ChEBI | | Butalbarbital | ChEBI | | Butalbitalum | ChEBI | | Iso-butylallylbarbituric acid | ChEBI | | Itobarbital | ChEBI | | Tetrallobarbital | ChEBI | | Sandoptal | Kegg | | 5-Allyl-5-(2'-methyl-N-propyl) barbitate | Generator | | 5-Allyl-5-(2'-methyl-N-propyl) barbitic acid | Generator | | 5-Allyl-5-(2-methylpropyl)barbitate | Generator | | 5-Allyl-5-(2-methylpropyl)barbitic acid | Generator | | 5-Allyl-5-isobutylbarbitate | Generator | | 5-Allyl-5-isobutylbarbitic acid | Generator | | 5-Isobutyl-5-allylbarbitate | Generator | | 5-Isobutyl-5-allylbarbitic acid | Generator | | Allylbarbitate | Generator | | Allylbarbitic acid | Generator | | Iso-butylallylbarbitate | Generator | | Iso-butylallylbarbitic acid | Generator | | Butalbital m (OH) | HMDB | | Butalbital, monosodium salt | HMDB |
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| Chemical Formula | C11H16N2O3 |
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| Average Molecular Weight | 224.2563 |
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| Monoisotopic Molecular Weight | 224.116092388 |
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| IUPAC Name | 5-(2-methylpropyl)-5-(prop-2-en-1-yl)-1,3-diazinane-2,4,6-trione |
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| Traditional Name | butalbital |
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| CAS Registry Number | 77-26-9 |
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| SMILES | CC(C)CC1(CC=C)C(=O)NC(=O)NC1=O |
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| InChI Identifier | InChI=1S/C11H16N2O3/c1-4-5-11(6-7(2)3)8(14)12-10(16)13-9(11)15/h4,7H,1,5-6H2,2-3H3,(H2,12,13,14,15,16) |
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| InChI Key | UZVHFVZFNXBMQJ-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as barbituric acid derivatives. Barbituric acid derivatives are compounds containing a perhydropyrimidine ring substituted at C-2, -4 and -6 by oxo groups. |
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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 | Barbituric acid derivatives |
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| Alternative Parents | |
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| Substituents | - Barbiturate
- N-acyl urea
- Ureide
- 1,3-diazinane
- Dicarboximide
- Urea
- Carbonic acid derivative
- Carboxylic acid derivative
- Azacycle
- Organic nitrogen compound
- Organonitrogen compound
- Organooxygen compound
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Organic oxygen compound
- Carbonyl group
- Aliphatic heteromonocyclic compound
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| Molecular Framework | Aliphatic heteromonocyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Not Available | Not Available |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | 138 - 139 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 2.23 g/L | Not Available | | LogP | 1.7 | 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. | 4.77 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 15.0092 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.68 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 24.0 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2362.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 435.6 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 159.8 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 259.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 185.0 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 543.3 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 | 779.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 84.0 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1201.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 471.2 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 | 1574.9 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 356.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 393.1 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 396.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 326.0 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 | 13.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Butalbital,1TMS,isomer #1 | C=CCC1(CC(C)C)C(=O)NC(=O)N([Si](C)(C)C)C1=O | 1699.7 | Semi standard non polar | 33892256 | | Butalbital,1TMS,isomer #1 | C=CCC1(CC(C)C)C(=O)NC(=O)N([Si](C)(C)C)C1=O | 1834.2 | Standard non polar | 33892256 | | Butalbital,1TMS,isomer #1 | C=CCC1(CC(C)C)C(=O)NC(=O)N([Si](C)(C)C)C1=O | 2819.1 | Standard polar | 33892256 | | Butalbital,2TMS,isomer #1 | C=CCC1(CC(C)C)C(=O)N([Si](C)(C)C)C(=O)N([Si](C)(C)C)C1=O | 1653.7 | Semi standard non polar | 33892256 | | Butalbital,2TMS,isomer #1 | C=CCC1(CC(C)C)C(=O)N([Si](C)(C)C)C(=O)N([Si](C)(C)C)C1=O | 1904.1 | Standard non polar | 33892256 | | Butalbital,2TMS,isomer #1 | C=CCC1(CC(C)C)C(=O)N([Si](C)(C)C)C(=O)N([Si](C)(C)C)C1=O | 2318.1 | Standard polar | 33892256 | | Butalbital,1TBDMS,isomer #1 | C=CCC1(CC(C)C)C(=O)NC(=O)N([Si](C)(C)C(C)(C)C)C1=O | 1910.6 | Semi standard non polar | 33892256 | | Butalbital,1TBDMS,isomer #1 | C=CCC1(CC(C)C)C(=O)NC(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2063.4 | Standard non polar | 33892256 | | Butalbital,1TBDMS,isomer #1 | C=CCC1(CC(C)C)C(=O)NC(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2853.1 | Standard polar | 33892256 | | Butalbital,2TBDMS,isomer #1 | C=CCC1(CC(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2110.9 | Semi standard non polar | 33892256 | | Butalbital,2TBDMS,isomer #1 | C=CCC1(CC(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2334.7 | Standard non polar | 33892256 | | Butalbital,2TBDMS,isomer #1 | C=CCC1(CC(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2459.2 | Standard polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental GC-MS | GC-MS Spectrum - Butalbital CI-B (Non-derivatized) | splash10-004i-0090000000-5925121d468ddb9f8890 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Butalbital EI-B (Non-derivatized) | splash10-014i-3900000000-b4be8a2b661834f34c86 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Butalbital CI-B (Non-derivatized) | splash10-004i-0090000000-5925121d468ddb9f8890 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Butalbital EI-B (Non-derivatized) | splash10-014i-3900000000-b4be8a2b661834f34c86 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Butalbital GC-MS (Non-derivatized) - 70eV, Positive | splash10-0a5c-9830000000-e4474c63772bab2bfe87 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Butalbital GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Butalbital 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 - Butalbital 35V, Negative-QTOF | splash10-0006-9000000000-a165d26c1f13f5705c41 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 10V, Positive-QTOF | splash10-004i-1290000000-f2dc7511b2d84d11dd0c | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 20V, Positive-QTOF | splash10-0zfr-1910000000-f30e268eff072d1ec628 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 40V, Positive-QTOF | splash10-0a4i-9100000000-96e7e029e762cc803219 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 10V, Negative-QTOF | splash10-007o-6940000000-a7f9140a1d46b7a9a5a4 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 20V, Negative-QTOF | splash10-0006-9600000000-39e1938d343fd79e34f3 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 40V, Negative-QTOF | splash10-0006-9600000000-76a87ece42dfd1cb085f | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 10V, Positive-QTOF | splash10-00p0-0940000000-5d6d7ca2edd46a5b76c7 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 20V, Positive-QTOF | splash10-0006-1900000000-a698640149964e6093ab | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 40V, Positive-QTOF | splash10-066u-9600000000-662b3e70c50e5576e589 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 10V, Negative-QTOF | splash10-00di-1290000000-44f34a10f5bb5b825872 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 20V, Negative-QTOF | splash10-0006-9010000000-485fbaa88d3ae29c60c5 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Butalbital 40V, Negative-QTOF | splash10-0006-9300000000-e7f893ff43c0207edb03 | 2021-09-22 | Wishart Lab | View Spectrum |
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