Cas 1639431-68-7,3-chloro-4-(4-methoxyphenyl)-2,5,6-triphenylpyridine

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Check Digit Verification of cas no

The CAS Registry Mumber 1639431-68-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,9,4,3 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1639431-68:
(9*1)+(8*6)+(7*3)+(6*9)+(5*4)+(4*3)+(3*1)+(2*6)+(1*8)=187
187 % 10 = 7
So 1639431-68-7 is a valid CAS Registry Number.

1639431-68-7Upstream product

1639431-68-7Downstream Products

1639431-69-8 3-(4-isopropylphenyl)-4-(4-methoxyphenyl)-2,5,6-triphenylpyridine

1639431-68-7Relevant articles and documents

Site selective synthesis of pentaarylpyridines via multiple Suzuki-Miyaura cross-coupling reactions

Reimann, Sebastian,Ehlers, Peter,Petrosyan, Andranik,Kohse, Stefanie,Spannenberg, Anke,Surkus, Annette E.,Ghochikyan, Tariel V.,Saghyan, Ashot S.,Lochbrunner, Stefan,Kuehn, Oliver,Ludwig, Ralf,Langer, Peter

, p. 1987 - 2008 (2014/07/07)

Pentaarylpyridines were conveniently prepared in one step by pentafold Suzuki-Miyaura reactions of pentachloropyridine. Moreover, site selective reactions were performed, leading to various substituted arylpyridines. Pentaarylpyridines were studied in det

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1639431-68-7