Epiberberine

Modify Date: 2026-07-02 14:27:35

Epiberberine Structure
Epiberberine structure
Common Name Epiberberine
CAS Number 6873-09-2 Molecular Weight 336.36
Density N/A Boiling Point N/A
Molecular Formula C20H18NO4+ Melting Point 260ºC
MSDS N/A Flash Point N/A

 Use of Epiberberine


Epiberberine is an alkaloid isolated from Coptis chinensis, acts as a potent AChE and BChE inhibitor, and a non-competitive BACE1 inhibitor, with IC50s of 1.07, 6.03 and 8.55 μM, respectively. Epiberberine has antioxidant activity, with peroxynitrite ONOO- scavenging effect (IC50, 16.83 μM), and may protect against Alzheimer disease[1]. Epiberberine inhibits the early stage of differentiation of 3T3-L1 preadipocytes, downregulates the Raf/MEK1/2/ERK1/2 and AMPKα/Akt pathways[2]. Epiberberine has the potential effect in the research of diabetic disease[3].

Summary: Epiberberine (Chinese name: 表小檗碱, CAS number: 6873-09-2), molecular formula C20H18NO4+, molecular weight 336.36, melting point 260ºC. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Epiberberine
Synonym More Synonyms

 Epiberberine Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Epiberberine is an alkaloid isolated from Coptis chinensis, acts as a potent AChE and BChE inhibitor, and a non-competitive BACE1 inhibitor, with IC50s of 1.07, 6.03 and 8.55 μM, respectively. Epiberberine has antioxidant activity, with peroxynitrite ONOO- scavenging effect (IC50, 16.83 μM), and may protect against Alzheimer disease[1]. Epiberberine inhibits the early stage of differentiation of 3T3-L1 preadipocytes, downregulates the Raf/MEK1/2/ERK1/2 and AMPKα/Akt pathways[2]. Epiberberine has the potential effect in the research of diabetic disease[3].
Related Catalog
Target

IC50: 1.07 μM (AChE), 6.03 μM (BChE), 8.55 μM (BACE1)[2]

In Vitro Epiberberine (0, 12.5, 25, or 50 μM) dose-dependently inhibits cellular triglyceride accumulation in 3T3-L1 adipocytes, with an IC50 of 52.8 μM[2]. Epiberberine (12.5-50 μM) suppresses the Raf/MEK1/ERK1/2 and AMPKα/Akt pathways in the early stage of 3T3-L1 adipocyte differentiation[2]. Epiberberine (0.2, 1, 5 μg/mL) inhibits glucose uptake in HepG2 cells in a concentration-dependent manner[3].
In Vivo Epiberberine (225 mg/kg, p.o. daily for 40 days) reduces body weight, food consumption, water intake, and urinary output of KK-Ay mice[3].
References

[1]. Jung HA, et al. Anti-Alzheimer and antioxidant activities of Coptidis Rhizoma alkaloids. Biol Pharm Bull. 2009 Aug;32(8):1433-8.

[2]. Choi JS, et al. Anti-adipogenic effect of epiberberine is mediated by regulation of the Raf/MEK1/2/ERK1/2 and AMPKα/Akt pathways. Arch Pharm Res. 2015 Dec;38(12):2153-62.

[3]. Ma H, et al. Antihyperglycemia and Antihyperlipidemia Effect of Protoberberine Alkaloids From Rhizoma Coptidis in HepG2 Cell and Diabetic KK-Ay Mice. Drug Dev Res. 2016 Jun;77(4):163-70.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Melting Point 260ºC
Molecular Formula C20H18NO4+
Molecular Weight 336.36
PSA 40.80000
LogP -0.99
InChIKey FPJQGFLUORYYPE-UHFFFAOYSA-N
SMILES COc1cc2c(cc1OC)-c1cc3ccc4c(c3c[n+]1CC2)OCO4
Storage condition 2-8C

 EpiberberineBioassay

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This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Primary cell-based high-throughput screening assay for identification of compounds th...
Source: Johns Hopkins Ion Channel Center
Target: regulator of G-protein signaling 4 isoform 2 [Homo sapiens]
External Id: JHICC_RGS_Act_HTS
Name: Luminescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: mu-type opioid receptor isoform MOR-1 [Homo sapiens]
External Id: OPRM1-OPRD1_AG_LUMI_1536_1X%ACT PRUN
Name: QFRET-based biochemical primary high throughput screening assay to identify exosite i...
Source: The Scripps Research Institute Molecular Screening Center
Target: disintegrin and metalloproteinase domain-containing protein 17 preproprotein [Homo sapiens]
External Id: ADAM17_INH_QFRET_1536_1X%INH PRUN
Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN
Name: uHTS identification of small molecule activators of the adaptive arm of the Unfolded ...
Source: Burnham Center for Chemical Genomics
Target: N/A
External Id: BCCG-A405-UPR-XBP1-PrimaryAgonist-Assay
Name: High throughput fluorescence intensity-based biochemical assay to screen for small mo...
Source: University of Pittsburgh Molecular Library Screening Center
Target: furin (paired basic amino acid cleaving enzyme), isoform CRA_a [Homo sapiens]
External Id: MH080376 Biochemical HTS for Inhibitors of the Proprotein Convertase Furin.
Name: Fluorescence polarization to screen for inhibitor that competite the binding of FadD2...
Source: Broad Institute
Target: FATTY-ACID-CoA LIGASE FADD28 (FATTY-ACID-CoA SYNTHETASE)
External Id: 2147-01_Inhibitor_SinglePoint_HTS_Activity
Name: Bursicon-induced LGR2 mediated cAMP production in LGR-2/CRE6x-Luciferase co-transfect...
Source: Broad Institute
Target: N/A
External Id: Bursicon-induced LGR2 mediated cAMP production in LGR-2/CRE6x-Luciferase co-transfected HEK293 cells Inhibition - 7011-01_Antagonist_SinglePoint_HTS_Activity
Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN
Name: Fluorescence polarization-based biochemical high throughput primary assay to identify...
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=Sialate O-acetylesterase; AltName: Full=H-Lse; AltName: Full=Sialic acid-specific 9-O-acetylesterase; Flags: Precursor [Homo sapiens]
External Id: SIAE_INH_FP_1536_1X%INH PRUN
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

HMS2229E04
Benz(a)-1,3-benzodioxolo(4,5-g)quinolizinium,11,12-dihydro-8,9-dimethoxy
GNF-Pf-2355
epiberberinium
8,9-dimethoxy-11,12-dihydro-[1,3]dioxolo[4,5-h]isoquino[2,1-b]isoquinolinylium
8,9-Dimethoxy-11,12-dihydro[1,3]dioxolo[4,5-h]isoquinolino[2,1-b]isoquinolin-13-ium
pseudo-Epiberberin
Epiberberin

 Epiberberine | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the polar surface area (PSA) of Epiberberine?
A: Polar surface area (PSA) of Epiberberine is 40.80000.
Q: What is the molecular formula of Epiberberine?
A: Molecular formula of Epiberberine is C20H18NO4+.
Q: What is the melting point of Epiberberine?
A: Melting point of Epiberberine is 260ºC.
Q: What is the LogP of Epiberberine?
A: LogP of Epiberberine is -0.99.
Q: What is the CAS number of Epiberberine?
A: CAS number of Epiberberine is 6873-09-2.
Q: What is the molecular weight of Epiberberine?
A: Molecular weight of Epiberberine is 336.36.
Q: What English synonyms does Epiberberine have?
A: English synonyms of Epiberberine: HMS2229E04, Benz(a)-1,3-benzodioxolo(4,5-g)quinolizinium,11,12-dihydro-8,9-dimethoxy, GNF-Pf-2355, epiberberinium, 8,9-dimethoxy-11,12-dihydro-[1,3]dioxolo[4,5-h]isoquino[2,1-b]isoquinolinylium, 8,9-Dimethoxy-11,12-dihydro[1,3]dioxolo[4,5-h]isoquinolino[2,1-b]isoquinolin-13-ium, pseudo-Epiberberin, Epiberberin.
Q: What is the SMILES notation of Epiberberine?
A: SMILES notation of Epiberberine is COc1cc2c(cc1OC)-c1cc3ccc4c(c3c[n+]1CC2)OCO4.
Q: What are the storage conditions for Epiberberine?
A: Storage conditions for Epiberberine: 2-8C.
Q: What is the English name of Epiberberine?
A: The English name of Epiberberine is Epiberberine.

 Epiberberinefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

BioBioPha
Dayang Chem (Hangzhou) Co., Ltd.
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