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545396-65-4

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545396-65-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 545396-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,5,3,9 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 545396-65:
(8*5)+(7*4)+(6*5)+(5*3)+(4*9)+(3*6)+(2*6)+(1*5)=184
184 % 10 = 4
So 545396-65-4 is a valid CAS Registry Number.

545396-65-4Downstream Products

545396-65-4Relevant articles and documents

Copper-catalyzed highly regioselective 2-aryloxylation of 2,x-dihalopyridines

Zhou, Qizhong,Zhang, Bin,Du, Tieqi,Gu, Haining,Ye, Yuyuan,Jiang, Huajiang,Chen, Rener

, p. 327 - 333 (2013/01/15)

2,x-Dihalopyridines reacted with phenols catalyzed by CuI/TMEDA in the presence of Cs2CO3 in DMSO at 110 °C under nitrogen atmosphere for 24 h to afford 2-aryloxypyridines in good to high yields except p-nitrophenol. To expand this methodology, a vanilloid receptor ligand used in treatments was prepared in good yield. This method has potential utility in the synthesis of pharmaceuticals, agrochemicals and even natural products.

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