Diosmetin - ≥98% , CAS No.520-34-3

CAS: 520-34-3 Cat. No.: D137256 Molecular Weight: 300.26 Beilstein Registry Number: 294492 EC Number: 208-291-8

3 Citations COA

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Diosmetin - ≥98% CAS No(520-34-3) by Aladdin Scientific

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AVAILABLE TO ORDER

GRADE & PURITY ≥98%

Synonyms

BBL027839 | KBio2_004553 | KBioSS_001985 | HSDB 8101 | SR-05000002196 | LMPK12110824 | Q1649664 | ISAKNOX X202 WHITENING SECRET ESSENCE | 5,7-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-4H-1-benzopyran-4-one | MLS006011843 | AKOS005720974 | A871094 | HY-N0125

Storage

Store at 2-8°C,Desiccated

Shipped In

Wet ice

Specifications Names and Identifiers Documentation Advanced Data Taxonomic Classification 3D Structure Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Documents & Articles Citations of This Product References Solution Calculators Reviews

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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Desiccated Ships Wet ice Check lot-specific COA for exact specifications.

📋

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 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms

BBL027839 | KBio2_004553 | KBioSS_001985 | HSDB 8101 | SR-05000002196 | LMPK12110824 | Q1649664 | ISAKNOX X202 WHITENING SECRET ESSENCE | 5, 7-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-4H-1-benzopyran-4-one | MLS006011843 | AKOS005720974 | A871094 | HY-N0125

Specifications & Purity

≥98%

Storage

Store at 2-8°C, Desiccated

Shipped In

Wet ice

This product requires cold chain shipping. Ground and other economy services are not available.

Purity

≥98%

Names and Identifiers

Pubchem Sid	504763365
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/504763365
Canonical Smiles	COC1=C(C=C(C=C1)C2=CC(=O)C3=C(C=C(C=C3O2)O)O)O
IUPAC Name	5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)chromen-4-one
InChIKey	MBNGWHIJMBWFHU-UHFFFAOYSA-N
INCHI	1S/C16H12O6/c1-21-13-3-2-8(4-10(13)18)14-7-12(20)16-11(19)5-9(17)6-15(16)22-14/h2-7,17-19H,1H3
Isomeric SMILES	COC1=C(C=C(C=C1)C2=CC(=O)C3=C(C=C(C=C3O2)O)O)O
WGK Germany	3
Molecular Weight	300.26
Beilstein	294492
Reaxy-Rn	294492
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=294492&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

Taxonomy Tree

Kingdom Organic compounds
- Superclass Phenylpropanoids and polyketides
  - Class Flavonoids
    - Subclass O-methylated flavonoids

Kingdom	Organic compounds
Superclass	Phenylpropanoids and polyketides
Class	Flavonoids
Subclass	O-methylated flavonoids
Intermediate Tree Nodes	Not available
Direct Parent	4'-O-methylated flavonoids
Alternative Parents	3'-hydroxyflavonoids 5-hydroxyflavonoids 7-hydroxyflavonoids Flavones Chromones Methoxyphenols Phenoxy compounds Methoxybenzenes Anisoles 1-hydroxy-2-unsubstituted benzenoids Pyranones and derivatives 1-hydroxy-4-unsubstituted benzenoids Alkyl aryl ethers Vinylogous acids Heteroaromatic compounds Oxacyclic compounds Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic heteropolycyclic compounds
Substituents	4p-methoxyflavonoid-skeleton - 3'-hydroxyflavonoid - 5-hydroxyflavonoid - 7-hydroxyflavonoid - Flavone - Hydroxyflavonoid - Chromone - Benzopyran - Methoxyphenol - 1-benzopyran - Phenoxy compound - Anisole - Methoxybenzene - Phenol ether - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Alkyl aryl ether - Phenol - Pyranone - Monocyclic benzene moiety - Benzenoid - Pyran - Vinylogous acid - Heteroaromatic compound - Organoheterocyclic compound - Ether - Oxacycle - Hydrocarbon derivative - Organooxygen compound - Organic oxide - Organic oxygen compound - Aromatic heteropolycyclic compound
Description	This compound belongs to the class of organic compounds known as 4'-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C4' atom of the flavonoid backbone.
External Descriptors	Flavones and Flavonols
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. DOI: 10.1186/s13321-016-0174-y

3D Structure

Associated Targets(Human)

CYP1B1 Tchem Cytochrome P450 1B1 (3 Activities)

Discover Target: CYP1B1

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

CYP1A1 Tchem Cytochrome P450 1A1 (2 Activities)

Discover Target: CYP1A1

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

ALOX5 Tclin Arachidonate 5-lipoxygenase (6568 Activities)

Discover Target: ALOX5

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

COMT Tclin Catechol O-methyltransferase (404 Activities)

Discover Target: COMT

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ACHE Tclin Acetylcholinesterase (18204 Activities)

Discover Target: ACHE

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PPARG Tclin Peroxisome proliferator-activated receptor gamma (15191 Activities)

Discover Target: PPARG

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PPARA Tclin Peroxisome proliferator-activated receptor alpha (9197 Activities)

Discover Target: PPARA

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP1B1 Tchem Cytochrome P450 1B1 (1148 Activities)

Discover Target: CYP1B1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

AMY1A Salivary alpha-amylase (100 Activities)

Discover Target: AMY1A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP1A1 Tchem Cytochrome P450 1A1 (1169 Activities)

Discover Target: CYP1A1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP1A2 Tchem Cytochrome P450 1A2 (26471 Activities)

Discover Target: CYP1A2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

AKT1 Tchem Serine/threonine-protein kinase AKT (9192 Activities)

Discover Target: AKT1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDK1 Tchem Pyruvate dehydrogenase kinase isoform 1 (2021 Activities)

Discover Target: PDK1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Caco-2 (12174 Activities)

Lot Number	Certificate Type	Date	Item
F2528087	Certificate of Analysis	Jul 15, 2025	D137256
K2512015	Certificate of Analysis	Jul 15, 2025	D137256
E2319140	Certificate of Analysis	Mar 04, 2025	D137256
H2428060	Certificate of Analysis	Sep 02, 2024	D137256
L2418038	Certificate of Analysis	Jun 27, 2024	D137256
L2115111	Certificate of Analysis	Sep 22, 2023	D137256
L2115115	Certificate of Analysis	Sep 22, 2023	D137256
L2115127	Certificate of Analysis	Sep 22, 2023	D137256
B2301304	Certificate of Analysis	Feb 07, 2023	D137256

Solubility	Soluble in dichloromethane,Chloroform,Acetone
Sensitivity	Light Sensitive,Heat Sensitive
Melt Point(°C)	262 °C
Molecular Weight	300.260 g/mol
XLogP3	1.700
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	2
Exact Mass	300.063 Da
Monoisotopic Mass	300.063 Da
Topological Polar Surface Area	96.200 Å²
Heavy Atom Count	22
Formal Charge	0
Complexity	462.000
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