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269719-26-8

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269719-26-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 269719-26-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,9,7,1 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 269719-26:
(8*2)+(7*6)+(6*9)+(5*7)+(4*1)+(3*9)+(2*2)+(1*6)=188
188 % 10 = 8
So 269719-26-8 is a valid CAS Registry Number.

269719-26-8Downstream Products

269719-26-8Relevant articles and documents

Synthesis of 1-p-tolysulfinyl-1,3-dienes by intramolecular heck reactions

Mar Segorbe,Adrio, Javier,Carretero, Juan C.

, p. 1983 - 1986 (2007/10/03)

The first examples of the synthesis of 1,3-dienyl sulfoxides by Heck reactions are described. Both racemic and enantiomerically pure exocyclic 1- p-tolylsulfinyl-1,3-dienes 1 are readily prepared by the intramolecular Heck reaction of their corresponding vinyl iodides in the presence of Pd(OAc)2 as catalyst and Ag2CO3 as base. (C) 2000 Elsevier Science Ltd.

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