≥97.0% (HPLC)

Robigenin, 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one, 3,4′,5,7-Tetrahydroxyflavone
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
Beilstein/REAXYS Number:
MDL number:
PubChem Substance ID:

Quality Level


≥97.0% (HPLC)


≤12% water

SMILES string




Inchi Key


Gene Information

human ... CDC2(983), CDK5(1020), CDK6(1021), CYP1A2(1544), CYP2C9(1559), GSK3A(2931)
mouse ... Hexa(15211)

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Chromogenic reagent for antimony in the low ppm range and for gallium and indium in the sub-ppm range.

Biochem/physiol Actions

Potent inhibitor of osteoclastic bone resorption. The effect is believed to be attributable to both the antioxidant and estrogenic activities of kaempferol.

Other Notes

Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 60010.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.


Exclamation mark

Signal Word


Hazard Statements

Precautionary Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Peramaiyan Rajendran et al.
International journal of molecular sciences, 22(1) (2021-01-01)
In this study, kaempferol (KFL) shows hepatoprotective activity against zearalenone (ZEA)-induced oxidative stress and its underlying mechanisms in in vitro and in vivo models were investigated. Oxidative stress plays a critical role in the pathophysiology of various hepatic ailments and...
Firoozeh Estakhri et al.
The Knee, 27(3), 817-832 (2020-04-28)
Based on the anti-inflammatory and anti-oxidant properties of kaempferol and apigenin, we hypothesized that co-injection of these phytochemicals would increase the effectiveness of cell therapy in knee osteoarthritic rats. Anterior cruciate ligament transection (ACLT) was used to induce osteoarthritis (OA)....
Yang Wang et al.
Artificial cells, nanomedicine, and biotechnology, 47(1), 1050-1056 (2019-04-04)
Osteoblast has been found to exert indispensable functions during fracture healing. This study aimed to investigate the effects of kaempferol, a natural flavonoid compound, on osteoblast proliferation, migration and differentiation, as well as possible molecular mechanisms. qRT-PCR was performed to...
Kasi Pandima Devi et al.
Pharmacological research, 99, 1-10 (2015-05-20)
Inflammation is an important process of human healing response, wherein the tissues respond to injuries induced by many agents including pathogens. It is characterized by pain, redness and heat in the injured tissues. Chronic inflammation seems to be associated with...
Gil Fraqueza et al.
Dalton transactions (Cambridge, England : 2003), 41(41), 12749-12758 (2012-09-13)
Recently we demonstrated that the decavanadate (V(10)) ion is a stronger Ca(2+)-ATPase inhibitor than other oxometalates, such as the isoelectronic and isostructural decaniobate ion, and the tungstate and molybdate monomer ions, and that it binds to this protein with a...
Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.
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