Overview 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 Solution Calculators Reviews

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Why this grade

Moligand™, analytical standard, ≥98% Analytical standard,Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C Ships Wet ice 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 68 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Baicalein is a cell-permeable flavone, originally isolated from the roots of Scutellaria baicalensis, that inhibits cellular Ca2+ uptake, calcium mobilization, and adjuvant-induced arthritis. Baicalein has been shown to inhibit platelet 5-LO (5-lipoxygenase) (IC50=9.5 mM) and 12-LO (12-lipoxygenases) (IC50=0.12 mM) and reverse transcriptase. Baicalein reduces leukotriene biosynthesis and inhibits the release of lysosomal enzymes. Baicalein is a potent anti-inflammatory and anti-tumor agent, and it blocks PREP (prolyl oligopeptidase). Baicalein induces the S-phase arrest and apoptosis in proliferation of human lung squamous carcinoma CH27 cells. The declining expression of cdk1, cdk2, cyclin D2 and cyclin A by Baicalein resulted in the G1 and G2 cell cycle arrest in C6 rat glioma cells. Baicalein has anti-thrombotic, antiproliferative and anti-mitogenic effects. Baicalein inhibits protein tyrosine kinase in leukemia (CEM) cells and PMA-stimulated PKC (protein kinase C). Baicalein is an inhibitor of 15-LO and CYP2C9.
An inhibitor of Ca2+ uptake, 5-LO, and 12-LO

Specifications

Synonyms

Specifications & Purity

Moligand™, analytical standard, ≥98%

Biochemical and Physiological Mechanisms

The flavonoid component of Nepalese and Sino-Japanese crude drugs. Baicalein, a major flavone of Scutellariae baicalensis, inhibits the 12-lipoxygenase (12-LOX) pathway of arachidonic acid metabolism, which inhibits cancer cell proliferation and induces a

Storage

Store at 2-8°C

Shipped In

Wet ice

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

Grade

Analytical standard, Moligand™

Purity

≥98%

Names and Identifiers

Pubchem Sid

508817206

Canonical Smiles

C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C=C(C(=C3O)O)O

IUPAC Name

5,6,7-trihydroxy-2-phenylchromen-4-one

InChIKey

FXNFHKRTJBSTCS-UHFFFAOYSA-N

INCHI

1S/C15H10O5/c16-9-6-11(8-4-2-1-3-5-8)20-12-7-10(17)14(18)15(19)13(9)12/h1-7,17-19H

Isomeric SMILES

C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C=C(C(=C3O)O)O

WGK Germany

RTECS

DJ3100898

Molecular Weight

270.24

Beilstein

272683

Reaxy-Rn

272683

Reaxys-RN_link_address

https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=272683&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	7-hydroxyflavonoids 6-hydroxyflavonoids 5-hydroxyflavonoids Chromones Pyranones and derivatives 1-hydroxy-4-unsubstituted benzenoids 1-hydroxy-2-unsubstituted benzenoids Benzene and substituted derivatives Vinylogous acids Heteroaromatic compounds Polyols Oxacyclic compounds Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic heteropolycyclic compounds
Substituents	5-hydroxyflavonoid - 6-hydroxyflavonoid - 7-hydroxyflavonoid - Flavone - Hydroxyflavonoid - Chromone - Benzopyran - 1-benzopyran - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Pyranone - Monocyclic benzene moiety - Benzenoid - Pyran - Vinylogous acid - Heteroaromatic compound - Organoheterocyclic compound - Oxacycle - Polyol - Organooxygen compound - Organic oxygen compound - Organic oxide - 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	a flavone
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)

ALOX12 Tchem Arachidonate 12-lipoxygenase, 12S-type (1 Activities)

Discover Target: ALOX12

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

ALOX15 Tchem Arachidonate 15-lipoxygenase (1 Activities)

Discover Target: ALOX15

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

MGAM Tclin Maltase-glucoamylase (654 Activities)

Discover Target: MGAM

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

ESR1 Tclin Estrogen receptor alpha (17718 Activities)

Discover Target: ESR1

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

NR3C1 Tclin Glucocorticoid receptor (14987 Activities)

Discover Target: NR3C1

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

PGR Tclin Progesterone receptor (8562 Activities)

Discover Target: PGR

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

ACHE Tclin Acetylcholinesterase (18204 Activities)

Discover Target: ACHE

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

XDH Tclin Xanthine dehydrogenase (1038 Activities)

Discover Target: XDH

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

ABAT Tclin Gamma-amino-N-butyrate transaminase (140 Activities)

Discover Target: ABAT

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

KCNH2 Tclin HERG (29587 Activities)

Discover Target: KCNH2

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

CACNA1C Tclin Voltage-gated L-type calcium channel alpha-1C subunit (766 Activities)

Discover Target: CACNA1C

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

TNF Tclin TNF-alpha (1897 Activities)

Discover Target: TNF

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

MME Tclin Neprilysin (838 Activities)

Discover Target: MME

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

ANPEP Tchem Aminopeptidase N (863 Activities)

Discover Target: ANPEP

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

THRB Tclin Thyroid hormone receptor beta-1 (7926 Activities)

Discover Target: THRB

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

JUN Tchem Proto-oncogene c-JUN (434 Activities)

Discover Target: JUN

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

KCNA5 Tclin Voltage-gated potassium channel subunit Kv1.5 (1353 Activities)

Discover Target: KCNA5

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

ALB Tchem Serum albumin (2651 Activities)

Discover Target: ALB

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

PIM1 Tchem Serine/threonine-protein kinase PIM1 (9629 Activities)

Discover Target: PIM1

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

PLK1 Tchem Serine/threonine-protein kinase PLK1 (28605 Activities)

Discover Target: PLK1

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

ALOX15B Tchem Arachidonate 15-lipoxygenase, type II (7244 Activities)

Discover Target: ALOX15B

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

GAA Tclin Lysosomal alpha-glucosidase (35701 Activities)

Discover Target: GAA

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

ALOX12 Tchem Arachidonate 12-lipoxygenase (3262 Activities)

Discover Target: ALOX12

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

DAPK1 Tchem Death-associated protein kinase 1 (1664 Activities)

Discover Target: DAPK1

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

CYP2D6 Tclin Cytochrome P450 2D6 (33882 Activities)

Discover Target: CYP2D6

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

HSD17B3 Tchem Estradiol 17-beta-dehydrogenase 3 (821 Activities)

Discover Target: HSD17B3

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

HBB Tbio Hemoglobin beta chain (329 Activities)

Discover Target: HBB

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

SI Tchem Sucrase-isomaltase (84 Activities)

Discover Target: SI

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

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

FLT3 Tclin Tyrosine-protein kinase receptor FLT3 (13481 Activities)

Discover Target: FLT3

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

SELL Tchem Leukocyte adhesion molecule-1 (145 Activities)

Discover Target: SELL

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

PIN1 Tchem Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 (36611 Activities)

Discover Target: PIN1

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

CYP2C9 Tchem Cytochrome P450 2C9 (32119 Activities)

Discover Target: CYP2C9

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

CYP2C19 Tchem Cytochrome P450 2C19 (29246 Activities)

Discover Target: CYP2C19

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

YES1 Tclin Tyrosine-protein kinase YES (2781 Activities)

Discover Target: YES1

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

TP53 Tchem Cellular tumor antigen p53 (48468 Activities)

Discover Target: TP53

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

C8166 (1658 Activities)

Lot Number	Certificate Type	Date	Item
H2614161	Certificate of Analysis	Aug 24, 2026	B107323
I2511225	Certificate of Analysis	Sep 20, 2025	B107323
I2511536	Certificate of Analysis	Sep 20, 2025	B107323
H1929017	Certificate of Analysis	Mar 09, 2023	B107323
G2212111	Certificate of Analysis	Feb 27, 2023	B107323

Solubility	Soluble in alcohol, methanol, ether, acetone, ethyl acetate, hot glacial acetic acid, dilute sodium hydroxide, and DMSO (50 mM). Insoluble in water
Sensitivity	Light & Heat sensitive
Melt Point(°C)	256-271°C
Molecular Weight	270.240 g/mol
XLogP3	1.700
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	1
Exact Mass	270.053 Da
Monoisotopic Mass	270.053 Da
Topological Polar Surface Area	87.000 Å²
Heavy Atom Count	20
Formal Charge	0
Complexity	412.000
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

Baicalein - Moligand™, analytical standard, ≥98% , CAS No.491-67-8

Storage & shipping

Quality documents

Literature proof

Overview

Specifications

Documentation

📋 Safety Data Sheet (SDS)

✅ Certificate of Analysis (COA)

📊 Datasheet

🔬 Specification Sheet

Advanced Data

Molarity Calculator

Dilution Calculator

Reconstitution Calculator

Customer Reviews

📚 Citations by Application

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