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736138-71-9

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736138-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 736138-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,6,1,3 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 736138-71:
(8*7)+(7*3)+(6*6)+(5*1)+(4*3)+(3*8)+(2*7)+(1*1)=169
169 % 10 = 9
So 736138-71-9 is a valid CAS Registry Number.

736138-71-9Relevant articles and documents

Synthesis of 1,4-diethynyl- and 1,1,4,4-tetraethynylbutatrienes

Auffrant, Audrey,Diederich, Francois,Boudon, Corinne,Gisselbrecht, Jean-Paul,Gross, Maurice

, p. 3085 - 3105 (2007/10/03)

In this paper, we report the synthesis and opto-electronic properties of differentially substituted 1,4-diethynyl- and 1,1,4,4-tetraethynylbuta-1,2,3- trienes. These novel chromophores greatly extend the series of building modules for oxidative coupling,

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