| Record Information |
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| Version | 1.0 |
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| Creation date | 2010-04-08 22:04:43 UTC |
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| Update date | 2025-11-18 22:24:17 UTC |
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| Primary ID | FDB000822 |
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| Secondary Accession Numbers | Not Available |
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| Chemical Information |
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| FooDB Name | 4-Hydroxy-3,5-dimethoxybenzaldehyde |
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| Description | 4-hydroxy-3,5-dimethoxybenzaldehyde, also known as sinapaldehyde or 2,6-dimethoxy-4-formylphenol, is a member of the class of compounds known as methoxyphenols. Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety. 4-hydroxy-3,5-dimethoxybenzaldehyde is slightly soluble (in water) and a very weakly acidic compound (based on its pKa). 4-hydroxy-3,5-dimethoxybenzaldehyde is a mild, sweet, and plastic tasting compound and can be found in a number of food items such as whisky, common grape, garden tomato (variety), and coriander, which makes 4-hydroxy-3,5-dimethoxybenzaldehyde a potential biomarker for the consumption of these food products. 4-hydroxy-3,5-dimethoxybenzaldehyde may be a unique S.cerevisiae (yeast) metabolite. Because it contains many functional groups, it can be classified in many ways - aromatic, aldehyde, phenol. It is a colorless solid (impure samples appear yellowish) that is soluble in alcohol and polar organic solvents. Its refractive index is 1.53 . |
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| CAS Number | 134-96-3 |
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| Structure | |
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| Synonyms | | Synonym | Source |
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| Sinapaldehyde | ChEMBL | | SYAL | MeSH | | 2,6-Dimethoxy-4-formylphenol | MeSH | | 3,5-Dimethoxy-4-hydroxybenzaldehyde | MeSH | | 4-Hydroxy-3,5-dimethoxybenzaldehyde | PhytoBank | | 4-Formyl-2,6-dimethoxyphenol | PhytoBank | | 4-Formylsyringol | PhytoBank | | Cedar aldehyde | PhytoBank | | Gallaldehyde 3,5-dimethyl ether | PhytoBank | | Syringic aldehyde | PhytoBank | | 3,5-Dimethoxy-4-hydroxy-benzaldehyde | PhytoBank | | 3,5-Dimethoxy-4-Hydroxy-Benzaldehyde | biospider | | 3,5-DIMETHOXY-4-HYDROXYBENZALDEHYDE, PURE | biospider | | 3,5-Dimethoxy-4-hydroxybenzene carbonal | biospider | | 4-Hydroksy-3,5-dwumetoksybenzaldehyd | biospider | | 4-Hydroxy-3,5-dimethoxybenzaldehyde (syringaldehyde) | biospider | | 4-hydroxy-3,5-methoxybenzaldehyde | biospider | | Benzaldehyde, 3,5-dimethoxy-4-hydroxy- | biospider | | Benzaldehyde, 4-hydroxy-3,5-dimethoxy- | biospider | | Siringic aldehyde | biospider | | Syringaaldehyde | biospider | | Syringaldehyde | db_source | | Syringe aldehyde | biospider | | Syringealdehyde | biospider | | Syringylaldehyde | biospider |
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| Predicted Properties | |
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| Chemical Formula | C9H10O4 |
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| IUPAC name | 4-hydroxy-3,5-dimethoxybenzaldehyde |
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| InChI Identifier | InChI=1S/C9H10O4/c1-12-7-3-6(5-10)4-8(13-2)9(7)11/h3-5,11H,1-2H3 |
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| InChI Key | KCDXJAYRVLXPFO-UHFFFAOYSA-N |
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| Isomeric SMILES | COC1=CC(C=O)=CC(OC)=C1O |
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| Average Molecular Weight | 182.1733 |
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| Monoisotopic Molecular Weight | 182.057908808 |
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| Classification |
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| Description | Belongs to the class of organic compounds known as methoxyphenols. Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Phenols |
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| Sub Class | Methoxyphenols |
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| Direct Parent | Methoxyphenols |
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| Alternative Parents | |
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| Substituents | - Methoxyphenol
- Dimethoxybenzene
- M-dimethoxybenzene
- Hydroxybenzaldehyde
- Anisole
- Benzaldehyde
- Benzoyl
- Phenoxy compound
- Phenol ether
- Methoxybenzene
- Alkyl aryl ether
- Aryl-aldehyde
- Monocyclic benzene moiety
- Ether
- Organooxygen compound
- Aldehyde
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic 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 | C 59.34%; H 5.53%; O 35.13% | DFC |
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| Melting Point | Mp 113-114° | DFC |
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| Boiling Point | Bp14 192-193° | DFC |
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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 | 368 (e 25100) (MeOH/NaOH) (Berdy) | DFC |
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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 | | Type | Description | Splash Key | View |
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| EI-MS | Mass Spectrum (Electron Ionization) | splash10-001i-5900000000-6cbbbdbec8f6bba463d5 | 2015-03-01 | View Spectrum | | Predicted GC-MS | 4-Hydroxy-3,5-dimethoxybenzaldehyde, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0ue9-0900000000-ef96b9e519092161a3cb | Spectrum | | Predicted GC-MS | 4-Hydroxy-3,5-dimethoxybenzaldehyde, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | 4-Hydroxy-3,5-dimethoxybenzaldehyde, TMS_1_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | 4-Hydroxy-3,5-dimethoxybenzaldehyde, TBDMS_1_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum |
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| MS/MS | | Type | Description | Splash Key | View |
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| MS/MS | LC-MS/MS Spectrum - 35V, Positive | splash10-004i-9100000000-5b6ba3c42dcd3af29af0 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 25V, Positive | splash10-002b-9500000000-59dc9fbf56278b4fa3d7 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 45V, Positive | splash10-00or-9000000000-7fdf6c97fc44ba928757 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 15V, Positive | splash10-05gi-0900000000-44ca2aac27277cc862f5 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 25V, Positive | splash10-002b-9500000000-648b4cea88c99f600180 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 15V, Positive | splash10-05gi-0900000000-ec8dfff58a288a3a2202 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 35V, Positive | splash10-004i-9100000000-54826f5ed4bf4c650678 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 45V, Positive | splash10-00or-9000000000-03822b23e64682ed8879 | 2021-09-20 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-001i-0900000000-888409d99d78544d7bda | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-001i-0900000000-9a08dd0b4c0aa032b821 | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0hhi-3900000000-9de8232d167c5c3dc77e | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-001i-0900000000-9ff54d007d617002d730 | 2016-08-04 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-001i-0900000000-5756b0978ed9c9206dfc | 2016-08-04 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0671-5900000000-61166ea22e1f8c56bc12 | 2016-08-04 | View Spectrum |
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| NMR | | Type | Description | | View |
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| 1D NMR | 1H NMR Spectrum (1D, 90 MHz, CDCl3, experimental) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 25.16 MHz, CDCl3, experimental) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, DMSO, experimental) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, DMSO, experimental) | | Spectrum |
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| External Links |
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| ChemSpider ID | 8333 |
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| ChEMBL ID | CHEMBL225303 |
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| KEGG Compound ID | Not Available |
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| Pubchem Compound ID | 8655 |
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| Pubchem Substance ID | Not Available |
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| ChEBI ID | Not Available |
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| Phenol-Explorer ID | 722 |
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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 | BJH89-J:BJH96-J |
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| EAFUS ID | 1742 |
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| Dr. Duke ID | SYRINGALDEHYDE |
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| BIGG ID | Not Available |
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| KNApSAcK ID | C00007558 |
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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 | rw1026801 |
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| SuperScent ID | Not Available |
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| Wikipedia ID | Syringaldehyde |
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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 | | Descriptor | ID | Definition | Reference |
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| Anti-edemic | | An agent that relieves or prevents edema, reducing abnormal fluid accumulation in tissues or the circulatory system, commonly used to treat conditions such as swelling, inflammation, and water retention. | DUKE | | Anti-inflammatory | 35472 | An agent that reduces inflammation, playing a biological role in suppressing immune responses and therapeutic applications in managing pain, swelling, and redness. Key medical uses include treating arthritis, allergies, and autoimmune disorders, as well as relieving symptoms of conditions such as asthma and dermatitis. | DUKE | | Anti-oxidant | 22586 | An agent that neutralizes free radicals, reducing oxidative stress and cell damage. Its biological role involves protecting cells from harm, and it has therapeutic applications in managing chronic diseases, such as cancer, diabetes, and neurodegenerative disorders, with key medical uses including anti-aging, anti-inflammatory, and cardio protective effects. | DUKE | | Cancer preventive | 35610 | An agent that inhibits the development and progression of cancer, reducing tumor formation and growth. It plays a biological role in blocking carcinogenic pathways, and has therapeutic applications in chemoprevention. Key medical uses include reducing the risk of cancer in high-risk individuals and preventing cancer recurrence. | DUKE |
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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 | | Flavor | Citations |
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| mild |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | plastic |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | woody |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | tonka |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | sweet |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
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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). — Rothwell JA, Pérez-Jiménez J, Neveu V, Medina-Ramon A, M'Hiri N, Garcia Lobato P, Manach C, Knox K, Eisner R, Wishart D, Scalbert A. (2013) Phenol-Explorer 3.0: a major update of the Phenol-Explorer database to incorporate data on the effects of food processing on polyphenol content. Database, 10.1093/database/bat070.
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