5-Hydroxyflavone - ≥98%(HPLC) , CAS No.491-78-1

CAS: 491-78-1 Cat. No.: H157353 Molecular Weight: 238.24 Beilstein Registry Number: 18(5)2,254 EC Number: 207-743-1

3 Citations COA

Skip to the end of the images gallery

5-Hydroxyflavone - ≥98%(HPLC) CAS No(491-78-1) by Aladdin Scientific

Skip to the beginning of the images gallery

AVAILABLE TO ORDER

GRADE & PURITY ≥98%(HPLC)

Synonyms

Storage

Room temperature

Shipped In

Normal

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

🧪

Why this grade

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

🌡

Storage & shipping

Room temperature Ships Normal 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.

📚

Literature proof

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

Specifications

Synonyms

Specifications & Purity

≥98%(HPLC)

Storage

Room temperature

Shipped In

Normal

Purity

≥98%(HPLC)

Names and Identifiers

Pubchem Sid	488184085
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/488184085
Canonical Smiles	C1=CC=C(C=C1)C2=CC(=O)C3=C(C=CC=C3O2)O
IUPAC Name	5-hydroxy-2-phenylchromen-4-one
InChIKey	IYBLVRRCNVHZQJ-UHFFFAOYSA-N
INCHI	1S/C15H10O3/c16-11-7-4-8-13-15(11)12(17)9-14(18-13)10-5-2-1-3-6-10/h1-9,16H
Isomeric SMILES	C1=CC=C(C=C1)C2=CC(=O)C3=C(C=CC=C3O2)O
WGK Germany	3
Molecular Weight	238.24
Beilstein	18(5)2,254
Reaxy-Rn	194429
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=194429&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 Flavones

Kingdom	Organic compounds
Superclass	Phenylpropanoids and polyketides
Class	Flavonoids
Subclass	Flavones
Intermediate Tree Nodes	Not available
Direct Parent	Flavones
Alternative Parents	5-hydroxyflavonoids Chromones Pyranones and derivatives 1-hydroxy-4-unsubstituted benzenoids 1-hydroxy-2-unsubstituted benzenoids Benzene and substituted derivatives Vinylogous acids Heteroaromatic compounds Oxacyclic compounds Organooxygen compounds Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic heteropolycyclic compounds
Substituents	5-hydroxyflavonoid - Flavone - Hydroxyflavonoid - Chromone - Benzopyran - 1-benzopyran - Pyranone - 1-hydroxy-2-unsubstituted benzenoid - 1-hydroxy-4-unsubstituted benzenoid - Benzenoid - Pyran - Monocyclic benzene moiety - Vinylogous acid - Heteroaromatic compound - Oxacycle - Organoheterocyclic compound - Organooxygen compound - Organic oxide - Organic oxygen compound - Hydrocarbon derivative - Aromatic heteropolycyclic compound
Description	This compound belongs to the class of organic compounds known as flavones. These are flavonoids with a structure based on the backbone of 2-phenylchromen-4-one (2-phenyl-1-benzopyran-4-one).
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)

CYP1A2 Tchem Cytochrome P450 1A2 (1 Activities)

Discover Target: CYP1A2

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

CYP1B1 Tchem Cytochrome P450 1B1 (1 Activities)

Discover Target: CYP1B1

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

NR3C1 Tclin Glucocorticoid receptor (14987 Activities)

Discover Target: NR3C1

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

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

AR Tclin Androgen Receptor (11781 Activities)

Discover Target: AR

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

TOP2A Tclin DNA topoisomerase II alpha (6317 Activities)

Discover Target: TOP2A

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

ADORA1 Tclin Adenosine A1 receptor (17603 Activities)

Discover Target: ADORA1

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

PTGS2 Tclin Cyclooxygenase-2 (13999 Activities)

Discover Target: PTGS2

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

AKR1B1 Tclin Aldose reductase (1404 Activities)

Discover Target: AKR1B1

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

ADORA2A Tclin Adenosine A2a receptor (16305 Activities)

Discover Target: ADORA2A

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

ADORA3 Tchem Adenosine A3 receptor (15931 Activities)

Discover Target: ADORA3

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

NEU2 Tbio Sialidase 2 (382 Activities)

Discover Target: NEU2

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

GBA1 Tclin Beta-glucocerebrosidase (14647 Activities)

Discover Target: GBA1

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

ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)

Discover Target: ALDH1A1

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

FBP1 Tchem Fructose-1,6-bisphosphatase (1199 Activities)

Discover Target: FBP1

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

FASN Tchem Fatty acid synthase (3390 Activities)

Discover Target: FASN

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

ALOX15 Tchem Arachidonate 15-lipoxygenase (7108 Activities)

Discover Target: ALOX15

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

CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)

Discover Target: CYP3A4

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

K562 (73714 Activities)

Explore this target

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

MCF7 (126967 Activities)

Explore this target

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

HepG2 (196354 Activities)

Explore this target

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

KB (17409 Activities)

Explore this target

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

GNAS Tbio Guanine nucleotide-binding protein G(s), subunit alpha (103405 Activities)

Discover Target: GNAS

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

POLI Tchem DNA polymerase iota (116820 Activities)

Discover Target: POLI

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

AKR1B10 Tchem Aldo-keto reductase family 1 member B10 (300 Activities)

Discover Target: AKR1B10

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

SMN1 Tchem Survival motor neuron protein (34246 Activities)

Discover Target: SMN1

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

GMNN Tbio Geminin (128009 Activities)

Discover Target: GMNN

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

RGS4 Tchem Regulator of G-protein signaling 4 (13867 Activities)

Discover Target: RGS4

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

MEN1 Tchem Menin/Histone-lysine N-methyltransferase MLL (48157 Activities)

Discover Target: MEN1

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

TARDBP Tchem TAR DNA-binding protein 43 (40113 Activities)

Discover Target: TARDBP

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

Associated Targets(non-human)

Pkm Pyruvate kinase isozymes M1/M2 (66 Activities)

Discover Target: Pkm

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

Salmonella typhimurium (15756 Activities)

Explore this target

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

Trypanosoma brucei brucei (13300 Activities)

Explore this target

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

Plasmodium falciparum (966862 Activities)

Explore this target

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

Rattus norvegicus (775804 Activities)

Explore this target

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

CCRF S-180 (1031 Activities)

Explore this target

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

Lewis lung carcinoma cell line (1243 Activities)

Explore this target

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

fabG 3-oxoacyl-acyl-carrier protein reductase (70 Activities)

Discover Target: fabG

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

fabI Enoyl-acyl-carrier protein reductase (415 Activities)

Discover Target: fabI

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

Mapt Microtubule-associated protein tau (6 Activities)

Discover Target: Mapt

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

Nfe2l2 Nuclear factor erythroid 2-related factor 2 (214 Activities)

Discover Target: Nfe2l2

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

Ntrk2 BDNF/NT-3 growth factors receptor (124 Activities)

Discover Target: Ntrk2

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

Gabrp GABA-A receptor; anion channel (5731 Activities)

Discover Target: Gabrp

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

SARS-CoV-2 (38078 Activities)

Explore this target

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

Mechanisms of Action

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

8 results found

Lot Number	Certificate Type	Date	Item
B2209255	Certificate of Analysis	Oct 30, 2025	H157353
B2209257	Certificate of Analysis	Oct 30, 2025	H157353
B2209258	Certificate of Analysis	Oct 30, 2025	H157353
B2209259	Certificate of Analysis	Oct 30, 2025	H157353
B2209261	Certificate of Analysis	Oct 30, 2025	H157353
B2209264	Certificate of Analysis	Oct 30, 2025	H157353
K2110738	Certificate of Analysis	Aug 12, 2025	H157353
F2129280	Certificate of Analysis	Apr 08, 2025	H157353

Chemical and Physical Properties

Melt Point(°C)	157-161℃
Molecular Weight	238.240 g/mol
XLogP3	2.500
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	1
Exact Mass	238.063 Da
Monoisotopic Mass	238.063 Da
Topological Polar Surface Area	46.500 Å²
Heavy Atom Count	18
Formal Charge	0
Complexity	355.000
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

Documents & Articles

Flavones: Structural Features, Physicochemical Properties, and Key Points for Research and Applications

Categories: Technical articles

Tags:

HPLC Antioxidation flavone C6–C3–C6 flavone glycosides O-glycosides C-glycosides C5-hydroxylation 5-deoxy flavones TLR/NF-κB heterologous biosynthesis

Citations of This Product

How to Cite Aladdin Scientific Products? Citations Search

References

1. Li-Feng Li, Meng-Di Wang, Chen-Yang Zhang, Meng-Yao Jin, Hua-Lei Chen, Huan Luo, Tian-Yu Hou, Zhi-Jun Zhang, He Li. (2025) Influence of hydroxyl substitution on the inhibition of flavonoids in advanced glycation end-products formation in glucose-lysine-arginine Maillard reaction models. FOOD RESEARCH INTERNATIONAL, [PMID:40086959] [10.1016/j.foodres.2025.116068]
2. Haolin Zhang, Jingjing Zhang, Hui Cao, Petra Högger, Randolph Arroo, Mohamed A. Farag, Avi Shpigelman, Jianbo Xiao, Chunlin Li. (2025) Amination of Flavonoids Possessing a Pyrogallol Group in Cell Culture Medium at 37°C. Food Frontiers, 6 (2): (1058-1078). [PMID:] [10.1002/fft2.70002]
3. Changhai Sun, Mengxin Xiao, Biyue Cui, Shiyuan Sun, Shushuang Shen, Shuting Zhang, Xinran Zhang, Liting Mu. (2026) Study on the Correlation Between Anthoxanthins Compounds' Reverse-Phase Chromatographic Behavior and Their Solubility. JOURNAL OF MOLECULAR STRUCTURE, [PMID:] [10.1016/j.molstruc.2026.145944]

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Reconstitution Calculator

Reviews

Bulk & Custom Packaging Need larger quantities or custom specifications? Contact our team for a tailored quote.

5-Hydroxyflavone - ≥98%(HPLC) , CAS No.491-78-1

Why this grade

Storage & shipping

Quality documents

Literature proof

Specifications

Documentation

📋 Safety Data Sheet (SDS)

✅ Certificate of Analysis (COA)

📊 Datasheet

🔬 Specification Sheet

Advanced Data

Molarity Calculator

Dilution Calculator

Reconstitution Calculator

Customer Reviews

View related series