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1714-20-1

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1714-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1714-20-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,1 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1714-20:
(6*1)+(5*7)+(4*1)+(3*4)+(2*2)+(1*0)=61
61 % 10 = 1
So 1714-20-1 is a valid CAS Registry Number.

1714-20-1Relevant articles and documents

Probing mechanisms of aryl-aryl bond cleavages under flash vacuum pyrolysis conditions

Jackson, Edward A.,Xue, Xiang,Cho, Hee Yeon,Scott, Lawrence T.

, p. 1279 - 1287 (2014)

Several biaryls have been subjected to flash vacuum pyrolysis (FVP) at 1100°C and 0.8-0.9hPa. Product compositions are reported for the FVP of 9-phenylanthracene (1), 2-bromobiphenyl (5), biphenyl (8), 1,10- diphenylanthracene (12), 9-(2-naphthyl)anthracene (17), and 9,9′- bianthracenyl (20). The experimental results have been used to evaluate four possible mechanistic pathways for the cleavage of aryl-aryl bonds under these conditions: (1) the 'explosion' of substituted phenyl radicals; (2) hydrogen atom attachment to an ipso-carbon atom of the biaryl followed by C-C bond cleavage; (3) direct homolysis; and (4) loss of a fragment as an aryne. None of these mechanisms by itself successfully accommodates all of the experimental facts. The data suggest that aryl-aryl bond cleavages under FVP conditions involve at least two different mechanistic pathways and that the relative contributions of the competing pathways probably vary from one biaryl to the next.

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