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134456-79-4

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134456-79-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134456-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,5 and 6 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134456-79:
(8*1)+(7*3)+(6*4)+(5*4)+(4*5)+(3*6)+(2*7)+(1*9)=134
134 % 10 = 4
So 134456-79-4 is a valid CAS Registry Number.

134456-79-4Downstream Products

134456-79-4Relevant articles and documents

Unusual Fusion of α-Fluorinated Benzophenones under McMurry Reaction Conditions

Akhmetov, Vladimir,Feofanov, Mikhail,Ioutsi, Vitaliy,Hampel, Frank,Amsharov, Konstantin

, p. 1910 - 1913 (2019)

By exposure of α-fluorinated benzophenones to McMurry reaction conditions, we have observed the remarkable formation of 9,10-diphenylanthracene derivatives. This unexpected transformation necessitates the cleavage of the exceptionally stable aromatic C?F bond under mild McMurry conditions. In this work, the condensation of several related fluorinated benzo- and acetophenones has been investigated, which allow us to propose a domino-like fusion mechanism for this unusual transformation. The scope and limitations of the fluorine-promoted benzophenone fusion are subsequently discussed.

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