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213466-80-9

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213466-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213466-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,4,6 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 213466-80:
(8*2)+(7*1)+(6*3)+(5*4)+(4*6)+(3*6)+(2*8)+(1*0)=119
119 % 10 = 9
So 213466-80-9 is a valid CAS Registry Number.

213466-80-9Relevant articles and documents

Synthesis and anti-inflammatory activity of isoquebecol

Cardinal, Sébastien,Paquet-C?té, Pierre-Alexandre,Azelmat, Jabrane,Bouchard, Corinne,Grenier, Daniel,Voyer, Normand

, p. 2043 - 2056 (2017/03/23)

We report here the synthesis of isoquebecol, an unprecedented constitutional isomer of quebecol, a polyphenolic compound discovered in maple syrup. The methodology used to prepare isoquebecol involves, as key steps, the formation of a dibromoalkene from an α-ketoester precursor, followed by a double Suzuki-Miyaura reaction. The anti-inflammatory activity of isoquebecol was studied on macrophage cells by monitoring its ability to inhibit LPS-induced IL-6 secretion. Results show that this new compound has an improved bioactivity over that of its natural isomer. Precursors and derivatives of quebecol, isoquebecol and model analog 2,3,3-triphenylpropanol were also prepared and tested in this study. Comparison between the three series of compounds led to establishing new SARs concerning the aryl ring substitution pattern on the triarylpropanol scaffold and substructure functionalization.

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