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· · COA & SDS available for every product · Same-day shipping on in-stock items 5，7，3'，4'，5'-Pentamethoxyflavone - analytical standard, ≥98%(HPLC) , CAS No.53350-26-8
GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. ≥98%(HPLC)
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Why this grade analytical standard, ≥98%(HPLC) Analytical standard for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature Ships 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Specifications & Purity
analytical standard, ≥98%(HPLC)
Names and Identifiers Canonical Smiles COC1=CC2=C(C(=C1)OC)C(=O)C=C(O2)C3=CC(=C(C(=C3)OC)OC)OC IUPAC Name 5,7-dimethoxy-2-(3,4,5-trimethoxyphenyl)chromen-4-one InChIKey GIKVSFNAEBQLGB-UHFFFAOYSA-N INCHI 1S/C20H20O7/c1-22-12-8-15(23-2)19-13(21)10-14(27-16(19)9-12)11-6-17(24-3)20(26-5)18(7-11)25-4/h6-10H,1-5H3 Isomeric SMILES COC1=CC2=C(C(=C1)OC)C(=O)C=C(O2)C3=CC(=C(C(=C3)OC)OC)OC PubChem CID 493376 Molecular Weight 372.37
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 O-methylated flavonoids Intermediate Tree Nodes Not available Direct Parent 7-O-methylated flavonoids Alternative Parents 5-O-methylated flavonoids 4'-O-methylated flavonoids 3'-O-methylated flavonoids Flavones Chromones Phenoxy compounds Methoxybenzenes Anisoles Pyranones and derivatives Alkyl aryl ethers Vinylogous esters Heteroaromatic compounds Oxacyclic compounds Organic oxides Hydrocarbon derivatives Molecular Framework Aromatic heteropolycyclic compounds Substituents 3p-methoxyflavonoid-skeleton - 4p-methoxyflavonoid-skeleton - 5-methoxyflavonoid-skeleton - 7-methoxyflavonoid-skeleton - Flavone - Chromone - Benzopyran - 1-benzopyran - Phenoxy compound - Methoxybenzene - Anisole - Phenol ether - Pyranone - Alkyl aryl ether - Monocyclic benzene moiety - Pyran - Benzenoid - Heteroaromatic compound - Vinylogous ester - Oxacycle - Organoheterocyclic compound - Ether - Organic oxide - Organic oxygen compound - Organooxygen compound - Hydrocarbon derivative - Aromatic heteropolycyclic compound Description This compound belongs to the class of organic compounds known as 7-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C7 atom of the flavonoid backbone. 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 Molecular Weight 372.400 g/mol XLogP3 3.000 Hydrogen Bond Donor Count 0 Hydrogen Bond Acceptor Count 7 Rotatable Bond Count 6 Exact Mass 372.121 Da Monoisotopic Mass 372.121 Da Topological Polar Surface Area 72.500 Ų Heavy Atom Count 27 Formal Charge 0 Complexity 534.000 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
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