Rhapontigenin

Modify Date: 2025-08-21 07:06:18

Rhapontigenin structure	Common Name	Rhapontigenin
	CAS Number	500-65-2	Molecular Weight	258.269
	Density	1.3±0.1 g/cm3	Boiling Point	503.6±38.0 °C at 760 mmHg
	Molecular Formula	C₁₅H₁₄O₄	Melting Point	186-187ºC
	MSDS	N/A	Flash Point	258.4±26.8 °C

Use of Rhapontigenin

Rhapontigenin is a natural analog of resveratrol with anticancer, antioxidant, antifungal and antibacterial activities. Rhapontigenin is amechanism-based, potent and selective cytochrome P450 1A1 inactivator (IC50 = 400 nM). Rhapontigenin exhibits 400-fold and 23-fold selectivity for P450 1A1 over P450 1A2 and P450 1B1, respectively[1].

Name	Rhapontigenin
Synonym	More Synonyms

Description	Rhapontigenin is a natural analog of resveratrol with anticancer, antioxidant, antifungal and antibacterial activities. Rhapontigenin is amechanism-based, potent and selective cytochrome P450 1A1 inactivator (IC50 = 400 nM). Rhapontigenin exhibits 400-fold and 23-fold selectivity for P450 1A1 over P450 1A2 and P450 1B1, respectively[1].
Related Catalog	Research Areas >> Cancer Signaling Pathways >> Metabolic Enzyme/Protease >> Cytochrome P450 Research Areas >> Inflammation/Immunology
Target	CYP1A1:400 nM (IC50)
In Vitro	Rhapontigenin (0-250 μM; 24 hours) demonstrates concentration-dependent anti-cancer activity with an IC50 115μM in HEP G2 cells[1]. Rhapontigenin (20 μM; 20 hours) pre-treatment decreases TGF-β triggered increased snail expression in diverse cancer cells[2]. Rhapontigenin (0-20 μM; 6 hours) inhibits TGF-β-induced expression of N-cadherin, vimentin, and CA9 in a dose-dependent manner[2]. Rhapontigenin inhibits ADP- and collagen-induced platelet aggregation with IC50 values of 4 and 70 μg/ml, respectively[3]. Rhapontigenin demonstrates a strong inhibitory activity on the 13-hexosaminidase release induced by DNP-BSA, it exhibits IC50 value of 0.03 mM in RBL 2H3 cells[3]. Western Blot Analysis[2] Cell Line: HeLa, A549,769-P cells Concentration: 0 μM; 2.5 μM; 5 μM; 10 μM; 20 μM Incubation Time: 6 hours Result: Induced ubiquitination and degradation of HIF-1α.
In Vivo	Rhapontigenin (intraperitoneal injection; 25mg/kg) shows significant protection from death due to pulmonary thrombosis in mice, those samples are orally administered 90 min before tail vein injection of epinephrine and collagen[3]. Animal Model: ICR mice[3] Dosage: 25mg/kg Administration: 25mg/kg; intraperitoneal injection Result: Showed anti-thrombosis activity with 60% protection.
References	[1]. Roupe KA, et al. Preparative enzymatic synthesis and HPLC analysis of rhapontigenin: applications to metabolism, pharmacokinetics and anti-cancer studies.J Pharm Pharm Sci. 2005 Aug 22;8(3):374-86. [2]. Yeh YH, et al. Rhapontigenin inhibits TGF-β-mediated epithelial‑mesenchymal transition via the PI3K/AKT/mTOR pathway and is not associated with HIF-1α degradation.Oncol Rep. 2016 May;35(5):2887-95. [3]. Park EK, et al. Antithrombotic and antiallergic activities of rhaponticin from Rhei Rhizoma are activated by human intestinal bacteria.Arch Pharm Res. 2002 Aug;25(4):528-33.

Density	1.3±0.1 g/cm3
Boiling Point	503.6±38.0 °C at 760 mmHg
Melting Point	186-187ºC
Molecular Formula	C₁₅H₁₄O₄
Molecular Weight	258.269
Flash Point	258.4±26.8 °C
Exact Mass	258.089203
PSA	69.92000
LogP	2.82
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.722

Rhapontigenin MSDS(Chinese)

Name: Inhibition of PI3K-dependent Rac1 activation in human MDA-MB-231 cells assessed as in...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3300108

Name: Effect on total cofilin protein level in human MDA-MB-231 cells at 10 to 50 uM after ...
Source: ChEMBL
Target: MDA-MB-231
External Id: CHEMBL3300107

Name: Inhibition of PI3K in human MDA-MB-231 cells assessed as inhibition of AKT phosphoryl...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3300110

Name: Inhibition of PI3K phosphorylation in human MDA-MB-231 cells at 10 to 50 uM after 24 ...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3300109

Name: Effect on total AKT protein level in human MDA-MB-231 cells at 10 to 50 uM after 24 h...
Source: ChEMBL
Target: MDA-MB-231
External Id: CHEMBL3300112

Name: Effect on total PI3K protein level in human MDA-MB-231 cells at 10 to 50 uM after 24 ...
Source: ChEMBL
Target: MDA-MB-231
External Id: CHEMBL3300111

Name: Inhibition of PI3K-dependent Rac1 activation in human MDA-MB-231 cells assessed as su...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3300092

Name: Inhibition of PI3K-dependent Rac1 activation in human MDA-MB-231 cells assessed as su...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3300091

Name: Inhibition of PI3K-dependent Rac1 activation in human MDA-MB-231 cells at 10 uM after...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3300094

Name: Inhibition of PI3K-dependent Rac1 activation in human MDA-MB-231 cells assessed as su...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3300093

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trans-1-(3,5-Dihydroxyphenyl)-2-(3-hydroxy-4-methoxyphenyl)ethylene

5-[(E)-2-(3-Hydroxy-4-methoxyphenyl)vinyl]-1,3-benzenediol

rhapontigenin

5-[(E)-2-(3-Hydroxy-4-methoxyphenyl)vinyl]benzene-1,3-diol

(E)-5-(3-Hydroxy-4-methoxystyryl)benzene-1,3-diol

3,3',5-Trihydroxy-4'-methoxy-trans-stilbene

5-[(E)-2-(3-hydroxy-4-methoxyphenyl)ethenyl]benzene-1,3-diol

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Rhapontigenin

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