Cas 1257390-83-2,2-(3,4-difluorophenyl)-5-phenyl-1,3,4-oxadiazole

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Check Digit Verification of cas no

The CAS Registry Mumber 1257390-83-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,3,9 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1257390-83:
(9*1)+(8*2)+(7*5)+(6*7)+(5*3)+(4*9)+(3*0)+(2*8)+(1*3)=172
172 % 10 = 2
So 1257390-83-2 is a valid CAS Registry Number.

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1257390-83-2Relevant academic research and scientific papers

A palladium/copper bimetallic catalytic system: Dramatic improvement for Suzuki-Miyaura-type direct C-H arylation of azoles with arylboronic acids

Liu, Bo,Qin, Xurong,Li, Kaizhi,Li, Xiyu,Guo, Qiang,Lan, Jingbo,You, Jingsong

, p. 11836 - 11839 (2010)

Bimetallic catalytic system: Palladium/copper bimetallic-catalyzed Suzuki-Miyaura-type coupling has been disclosed for direct C-H arylation of azoles, instead of azole halides or pseudohalides, with arylboronic acids (see scheme).

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