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1055414-89-5

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1055414-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1055414-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,5,4,1 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1055414-89:
(9*1)+(8*0)+(7*5)+(6*5)+(5*4)+(4*1)+(3*4)+(2*8)+(1*9)=135
135 % 10 = 5
So 1055414-89-5 is a valid CAS Registry Number.

1055414-89-5Relevant articles and documents

Aromatization via a dibromination-double dehydrobromination sequence: A facile and convenient synthetic route to 2,6-bis(trifluoroacetyl)phenols

Sevenard, Dmitri V.,Kazakova, Olesya,Schoth, Ralf-Matthias,Lork, Enno,Chizhov, Dmitri L.,Poveleit, Joern,Roeschenthaler, Gerd-Volker

experimental part, p. 1867 - 1878 (2009/04/07)

An efficient and reliable method to synthesize 2,6-bis(trifluoroacetyl) phenols bearing various substituents in the 4-po-sition was developed. These valuable fluorinated building blocks were obtained from the corresponding cyclohexanones in a facile and convenient procedure, demonstrated to be superior to the traditional approaches. The application of this methodology to cyclohex-ane-1,4-dione opened access to 2,5-bis(polyfluoroacyl)-1,4- hydroquinones. Structural peculiarities of the obtained phenols as well as their 1,3-dicarbonyl or 1,3,5-tricarbonyl precursors are discussed on the basis of multinuclear NMR spectroscopy.

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