Roburin A
Roburin A is a dimeric ellagitannin and an AlIII ion chelator. Roburin A chelates Al3+ ions to form coordination compounds. Roburin A helps plants defend against toxic Al3+ ions released in acidic soils.
For research use only. We do not sell to patients.
- CAS No.: 132864-75-6
- Formula: C82H50O51
- Molecular Weight:1851.24
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Biological Activity
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Chemical Information
- Purity & Documentation
- References
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Help & FAQs
Biological Activity
Roburin A can chelate 4 Al3+ ions per molecule via its nonahydroxybenzoyl and hexahydroxybiphenyloyl structural groups[2].
Roburin A forms an Al3+ coordination complex, which induces measurable changes in its CD spectrum, confirming that its structure undergoes alteration during chelation in acidic aqueous solution at pH 5.5[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 132864-75-6
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Molecular Weight 1851.24
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Formula C82H50O51
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SMILES
OC(C([C@@H](C1=C2C(C3=C(O)C(O)=C(O)C=C3C(O[C@]4([H])[C@@](OC(C5=CC(O)=C(O)C(O)=C5C6=C7C(O[C@]4([H])[C@]8([H])[C@@H](C9=C(C(C7=C(C(O)=C6O)O)=C(C(O)=C9O)O)C(O8)=O)O)=O)=O)([H])COC2=O)=O)=C(C(O)=C1O)O)[C@@]%10([H])[C@]%11([H])[C@@]%12([H])[C@](COC(C%13=CC(O)=C(O)C(O)=C%13C%14=C(O)C(O)=C(O)C=C%14C(O%12)=O)=O)([H])OC(C%15=CC(O)=C(O)C(O)=C%15C%16=C%17C(O%11)=O)=O)=C%18C(O%10)=O)=C(O)C(O)=C%18C%17=C(C(O)=C%16O)O
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Structure Classification
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Initial Source
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
[1]. Fernandez de Simón B, et al.. Chemical characterization of oak heartwood from Spanish forests of Quercus pyrenaica (Wild.). Ellagitannins, low molecular weight phenolic, and volatile compounds. Journal of agricultural and food chemistry. 2006 Oct 18;54(21):8314-21. [Content Brief]
[2]. Frešer F, et al.. Ellagitannins as Al(III) chelators: Determined binding sites with a predictive model. Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 2026 Jun 03;362:128146. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Roburin A Related Classifications
HY-N20692 Related Classifications
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