| Record Information |
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| Version | 1.0 |
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| Creation date | 2010-04-08 22:07:08 UTC |
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| Update date | 2025-11-18 23:01:53 UTC |
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| Primary ID | FDB006415 |
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| Secondary Accession Numbers | |
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| Chemical Information |
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| FooDB Name | Oryzenin |
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| Description | Oryzenin, also known as thiamin or vitamin b1, is a member of the class of compounds known as thiamines. Thiamines are compounds containing a thiamine moiety, which is structurally characterized by a 3-[(4-Amino-2-methyl-pyrimidin-5-yl)methyl]-4-methyl-thiazol-5-yl backbone. Oryzenin is practically insoluble (in water) and an extremely weak acidic compound (based on its pKa). Oryzenin can be found in rice, which makes oryzenin a potential biomarker for the consumption of this food product. |
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| CAS Number | 59-43-8 |
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| Structure | |
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| Synonyms | | Synonym | Source |
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| 3-[(4-Amino-2-methyl-5-pyrimidinyl)methyl]-5-(2-hydroxyethyl)-4-methylthiazolium chloride | ChEBI | | Thiamin | ChEBI | | Thiamine | ChEBI | | Thiamine chloride | ChEBI | | Thiamine monochloride | ChEBI | | Thiaminum | ChEBI | | Tiamina | ChEBI | | Vitamin b1 | ChEBI |
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| Predicted Properties | |
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| Chemical Formula | C12H17ClN4OS |
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| IUPAC name | 5-(2-hydroxyethyl)-3-[(6-imino-2-methyl-1,6-dihydropyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium chloride |
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| InChI Identifier | InChI=1S/C12H17N4OS.ClH/c1-8-11(3-4-17)18-7-16(8)6-10-5-14-9(2)15-12(10)13;/h5,7,17H,3-4,6H2,1-2H3,(H2,13,14,15);1H/q+1;/p-1 |
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| InChI Key | MYVIATVLJGTBFV-UHFFFAOYSA-M |
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| Isomeric SMILES | [Cl-].CC1=C(CCO)SC=[N+]1CC1=C(N)N=C(C)N=C1 |
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| Average Molecular Weight | 300.808 |
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| Monoisotopic Molecular Weight | 300.081159583 |
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| Classification |
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| Description | Belongs to the class of organic compounds known as thiamines. Thiamines are compounds containing a thiamine moiety, which is structurally characterized by a 3-[(4-Amino-2-methyl-pyrimidin-5-yl)methyl]-4-methyl-thiazol-5-yl backbone. |
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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 | Thiamines |
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| Alternative Parents | |
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| Substituents | - Thiamine
- 4,5-disubstituted 1,3-thiazole
- Aminopyrimidine
- Imidolactam
- Azole
- Thiazole
- Heteroaromatic compound
- Azacycle
- Hydrocarbon derivative
- Organic salt
- Alcohol
- Organopnictogen compound
- Primary amine
- Primary alcohol
- Organooxygen compound
- Organonitrogen compound
- Organic nitrogen compound
- Organic oxygen compound
- Organic chloride salt
- Amine
- Aromatic heteromonocyclic compound
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| Molecular Framework | Aromatic heteromonocyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Ontology | No ontology term |
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| Physico-Chemical Properties |
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| Physico-Chemical Properties - Experimental | | Property | Value | Reference |
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| Physical state | Not Available | |
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| Physical Description | Not Available | |
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| Mass Composition | Not Available | |
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| Melting Point | Not Available | |
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| Boiling Point | Not Available | |
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| Experimental Water Solubility | Not Available | |
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| Experimental logP | Not Available | |
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| Experimental pKa | Not Available | |
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| Isoelectric point | Not Available | |
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| Charge | Not Available | |
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| Optical Rotation | Not Available | |
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| Spectroscopic UV Data | Not Available | |
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| Density | Not Available | |
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| Refractive Index | Not Available | |
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| Spectra |
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| Spectra | |
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| EI-MS/GC-MS | Not Available |
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| MS/MS | | Type | Description | Splash Key | View |
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| Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0udi-0009000000-cd32abfed76b69866da8 | 2016-08-01 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0udi-0009000000-cd32abfed76b69866da8 | 2016-08-01 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0udi-0009000000-cd32abfed76b69866da8 | 2016-08-01 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0002-0090000000-a7fcf2f90dad919c8b5e | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0002-0090000000-a7fcf2f90dad919c8b5e | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0002-0090000000-a7fcf2f90dad919c8b5e | 2016-08-03 | View Spectrum |
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| NMR | Not Available |
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| External Links |
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| ChemSpider ID | 5819 |
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| ChEMBL ID | CHEMBL1588 |
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| KEGG Compound ID | Not Available |
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| Pubchem Compound ID | 6042 |
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| Pubchem Substance ID | Not Available |
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| ChEBI ID | Not Available |
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| Phenol-Explorer ID | Not Available |
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| DrugBank ID | Not Available |
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| HMDB ID | Not Available |
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| CRC / DFC (Dictionary of Food Compounds) ID | Not Available |
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| EAFUS ID | Not Available |
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| Dr. Duke ID | ORYZENIN |
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| BIGG ID | Not Available |
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| KNApSAcK ID | Not Available |
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| HET ID | Not Available |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | Not Available |
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| Flavornet ID | Not Available |
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| GoodScent ID | Not Available |
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| SuperScent ID | Not Available |
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| Wikipedia ID | Thiamine |
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| Phenol-Explorer Metabolite ID | Not Available |
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| Duplicate IDS | Not Available |
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| Old DFC IDS | Not Available |
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| Associated Foods |
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| Food | Content Range | Average | Reference |
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| Food | | | Reference |
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| Biological Effects and Interactions |
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| Health Effects / Bioactivities | Not Available |
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| Enzymes | Not Available |
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| Pathways | Not Available |
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| Metabolism | Not Available |
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| Biosynthesis | Not Available |
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| Organoleptic Properties |
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| Flavours | Not Available |
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| Files |
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| MSDS | Not Available |
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| References |
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| Synthesis Reference | Not Available |
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| General Reference | Not Available |
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| Content Reference | — Duke, James. 'Dr. Duke's Phytochemical and Ethnobotanical Databases. United States Department of Agriculture.' Agricultural Research Service, Accessed April 27 (2004).
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