Record Information |
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Version | 5.0 |
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Status | Detected and Quantified |
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Creation Date | 2006-08-24 08:48:50 UTC |
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Update Date | 2022-03-07 02:49:21 UTC |
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HMDB ID | HMDB0004808 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 7C-aglycone |
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Description | 7C-aglycone is one of the two major aglycone urinary water-soluble metabolites of Phylloquinone (Vitamin K1) and menaquinones (vitamin K2), usually excreted as glucuronide conjugates; their structure suggests that they are formed by an oxidative degradation of the phytyl side chain involving enzymes of omega- and beta-oxidation. Newborn infants as a group, are known to have precariously low vitamin K stores and are routinely given vitamin K prophylaxis at birth. (PMIDs 7306367, 4833371, 15722567). |
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Structure | C\C(CCC(O)=O)=C\CC1=C(C)C(=O)C2=C(C=CC=C2)C1=O InChI=1S/C18H18O4/c1-11(8-10-16(19)20)7-9-13-12(2)17(21)14-5-3-4-6-15(14)18(13)22/h3-7H,8-10H2,1-2H3,(H,19,20)/b11-7- |
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Synonyms | Value | Source |
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(4Z)-4-Methyl-6-(3-methyl-1,4-dioxo-1,4-dihydronaphthalen-2-yl)hex-4-enoate | HMDB | 2-Methyl-3-(5'-carboxy-3'-methyl-2'-pentenyl)-1,4-naphthoquinone | HMDB | Vitamin K1 aglycone I | HMDB | Vitamin K1 aglycone I, (e)-isomer | HMDB | Phylloquinone aglycone I | HMDB | Vitamin K1 aglycone I, (Z)-isomer | HMDB | 6-(1,4-Dihydro-3-methyl-1,4-dioxo-2-naphthalenyl)-4-methyl- 4-hexenoate | HMDB | 6-(1,4-Dihydro-3-methyl-1,4-dioxo-2-naphthalenyl)-4-methyl- 4-hexenoic acid | HMDB |
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Chemical Formula | C18H18O4 |
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Average Molecular Weight | 298.3331 |
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Monoisotopic Molecular Weight | 298.120509064 |
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IUPAC Name | (4Z)-4-methyl-6-(3-methyl-1,4-dioxo-1,4-dihydronaphthalen-2-yl)hex-4-enoic acid |
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Traditional Name | 7c-aglycone |
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CAS Registry Number | 51732-61-7 |
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SMILES | C\C(CCC(O)=O)=C\CC1=C(C)C(=O)C2=C(C=CC=C2)C1=O |
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InChI Identifier | InChI=1S/C18H18O4/c1-11(8-10-16(19)20)7-9-13-12(2)17(21)14-5-3-4-6-15(14)18(13)22/h3-7H,8-10H2,1-2H3,(H,19,20)/b11-7- |
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InChI Key | BCNIZSHMXASUGF-XFFZJAGNSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as vitamin k compounds. These are quinone lipids containing a methylated naphthoquinone ring structure, and vary in the aliphatic side chain attached at the 3-position. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Prenol lipids |
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Sub Class | Quinone and hydroquinone lipids |
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Direct Parent | Vitamin K compounds |
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Alternative Parents | |
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Substituents | - Naphthoquinone
- Aromatic monoterpenoid
- Bicyclic monoterpenoid
- Naphthalene
- Monoterpenoid
- Aryl ketone
- Medium-chain fatty acid
- Quinone
- Branched fatty acid
- Methyl-branched fatty acid
- Fatty acyl
- Fatty acid
- Benzenoid
- Unsaturated fatty acid
- Ketone
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Carbonyl group
- Hydrocarbon derivative
- Organic oxygen compound
- Organooxygen compound
- Organic oxide
- Aromatic homopolycyclic compound
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Molecular Framework | Aromatic homopolycyclic 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 | Solid |
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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 Kovats Retention IndicesUnderivatizedDerivatized |
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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 - 7C-aglycone GC-MS (Non-derivatized) - 70eV, Positive | splash10-0ff9-1190000000-463d381d1a48bcf52c00 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 7C-aglycone GC-MS (1 TMS) - 70eV, Positive | splash10-05br-8395000000-d4a5d0d6a22b68178803 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 7C-aglycone 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 - 7C-aglycone 10V, Positive-QTOF | splash10-000t-0190000000-174afc595775a629706c | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 20V, Positive-QTOF | splash10-06s9-2960000000-99ce28d05e4cb8e84710 | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 40V, Positive-QTOF | splash10-015c-9200000000-5f53c890b686a5e32c85 | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 10V, Negative-QTOF | splash10-0002-0090000000-e007453c2b4ea3024611 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 20V, Negative-QTOF | splash10-0f6t-1190000000-42c80bc5ca1423abe051 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 40V, Negative-QTOF | splash10-0a4i-9530000000-3e7c1717a2f562ccab68 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 10V, Positive-QTOF | splash10-000j-0690000000-ec96a4a11d14eb685c44 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 20V, Positive-QTOF | splash10-000i-0930000000-3078ced552e17593c971 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 40V, Positive-QTOF | splash10-0a7i-3900000000-2c439b37d343c55eb99b | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 10V, Negative-QTOF | splash10-0002-0090000000-4ccaf6c53a74e5f4abe9 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 20V, Negative-QTOF | splash10-0udi-0190000000-6229e8531568660c185a | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 7C-aglycone 40V, Negative-QTOF | splash10-0002-1920000000-3e3918f5e3d58aa4a2f2 | 2021-09-23 | Wishart Lab | View Spectrum |
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General References | - Harrington DJ, Soper R, Edwards C, Savidge GF, Hodges SJ, Shearer MJ: Determination of the urinary aglycone metabolites of vitamin K by HPLC with redox-mode electrochemical detection. J Lipid Res. 2005 May;46(5):1053-60. Epub 2005 Feb 1. [PubMed:15722567 ]
- Watanabe M, Toyoda M, Imada I, Morimoto H: Ubiquinone and related compounds. XXVI. The urinary metabolites of phylloquinone and alpha-tocopherol. Chem Pharm Bull (Tokyo). 1974 Jan;22(1):176-82. [PubMed:4833371 ]
- McBurney A, Shearer MJ, Barkhan P: Preparative isolation and characterization of the urinary aglycones of vitamin K1 (phylloquinone in man. Biochem Med. 1980 Dec;24(3):250-67. [PubMed:7306367 ]
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