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218459-11-1

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218459-11-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218459-11-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,4,5 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 218459-11:
(8*2)+(7*1)+(6*8)+(5*4)+(4*5)+(3*9)+(2*1)+(1*1)=141
141 % 10 = 1
So 218459-11-1 is a valid CAS Registry Number.

218459-11-1Relevant articles and documents

Exploring the 2,2'-diamino-5,5'-bipyrimidine hydrogen-bonding motif: A modular approach to alkoxy-functionalized hydrogen-bonded networks

Krische, Michael J.,Lehn, Jean-Marie,Kyritsakas, Natalie,Fischer, Jean,Wegelius, Elina Karoliina,Nissinen, Maija Johanna,Rissanen, Kari

, p. 1921 - 1930 (2007/10/03)

The programmed self-association of 2,2'-diamino-4,4'-dialkoxy-5,5'- bipyrimidines allows for the de novo construction of alkoxy-functionalized H- bonded ribbons and sheets as evidenced by X-ray crystallographic analysis. The data provide insight into the

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