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· · COA & SDS available for every product · Same-day shipping on in-stock items 3-Hydroxy-4'-methoxyflavone - ≥98% , CAS No.6889-78-7
Synonyms
328R9ELU9F | 3-hydroxy-2-(4-methoxyphenyl)-4H-chromen-4-one | NCGC00142582-01 | UNII-328R9ELU9F | 2-(4-Methoxyphenyl)-3-hydroxyflavone | 5-bromo-2,3-dihydro-1H-1,3-benzodiazol-2-one | Q63408844 | ST066904 | 3-hydroxy-2-(4-methoxyphenyl)-chromen-4-one | 3-
Shipped In
Ice chest + Ice pads
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Why this grade ≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
328R9ELU9F | 3-hydroxy-2-(4-methoxyphenyl)-4H-chromen-4-one | NCGC00142582-01 | UNII-328R9ELU9F | 2-(4-Methoxyphenyl)-3-hydroxyflavone | 5-bromo-2, 3-dihydro-1H-1, 3-benzodiazol-2-one | Q63408844 | ST066904 | 3-hydroxy-2-(4-methoxyphenyl)-chromen-4-one | 3-
Specifications & Purity
≥98%
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers Pubchem Sid 504756353 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/504756353 Canonical Smiles COC1=CC=C(C=C1)C2=C(C(=O)C3=CC=CC=C3O2)O IUPAC Name 3-hydroxy-2-(4-methoxyphenyl)chromen-4-one InChIKey IIBBFGMVMNZMGA-UHFFFAOYSA-N INCHI 1S/C16H12O4/c1-19-11-8-6-10(7-9-11)16-15(18)14(17)12-4-2-3-5-13(12)20-16/h2-9,18H,1H3 Isomeric SMILES COC1=CC=C(C=C1)C2=C(C(=O)C3=CC=CC=C3O2)O Molecular Weight 268.27 Reaxy-Rn 251466 Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=251466&ln=
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification Kingdom Organic compounds Superclass Phenylpropanoids and polyketides Class Flavonoids Subclass Flavones Intermediate Tree Nodes Not available Direct Parent Flavonols Alternative Parents 4'-O-methylated flavonoids 3-hydroxyflavonoids Chromones Phenoxy compounds Methoxybenzenes Anisoles Pyranones and derivatives Alkyl aryl ethers Heteroaromatic compounds Oxacyclic compounds Organic oxides Hydrocarbon derivatives Molecular Framework Aromatic heteropolycyclic compounds Substituents 4p-methoxyflavonoid-skeleton - 3-hydroxyflavone - 3-hydroxyflavonoid - Hydroxyflavonoid - Chromone - Benzopyran - 1-benzopyran - Phenoxy compound - Anisole - Phenol ether - Methoxybenzene - Pyranone - Alkyl aryl ether - Monocyclic benzene moiety - Pyran - Benzenoid - Heteroaromatic compound - Oxacycle - Ether - Organoheterocyclic compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Aromatic heteropolycyclic compound Description This compound belongs to the class of organic compounds known as flavonols. These are compounds that contain a flavone (2-phenyl-1-benzopyran-4-one) backbone carrying a hydroxyl group at the 3-position. External Descriptors Flavones and Flavonols Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Melt Point(°C) 234 °C Molecular Weight 268.260 g/mol XLogP3 3.400 Hydrogen Bond Donor Count 1 Hydrogen Bond Acceptor Count 4 Rotatable Bond Count 2 Exact Mass 268.074 Da Monoisotopic Mass 268.074 Da Topological Polar Surface Area 55.800 Ų Heavy Atom Count 20 Formal Charge 0 Complexity 407.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 0 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
Citations of This Product References 1. Yanglin Jiang, Qizheng Zhang, Xunwu Hu, Ting Liang, Ailin Sun, Chenjie Xu, Peng Wang, Ye Zhang. (2025) Fluorogenic Crystallization via Enzyme-Instructed Excited-State Intramolecular Proton Transfer for Dynamic Microenvironment Profiling. ACS Sensors, [PMID:40052415 ] [10.1021/acssensors.4c03641 ]
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