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72709-63-8

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72709-63-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72709-63-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,0 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72709-63:
(7*7)+(6*2)+(5*7)+(4*0)+(3*9)+(2*6)+(1*3)=138
138 % 10 = 8
So 72709-63-8 is a valid CAS Registry Number.

72709-63-8Downstream Products

72709-63-8Relevant articles and documents

Nickel-Catalyzed Michael Additions of β-Dicarbonyls

Nelson, John H.,Howells, Peter N.,DeLullo, George C.,Landen, George L.,Henry, Ronald A.

, p. 1246 - 1249 (2007/10/02)

Bis(2,4-pentanedionato)nickel(II) is found to be a mild, efficient, and simple to use catalyst for the Michael additions of β-dicarbonyls.Yields are higher than with traditional strongly basic catalysts, unwanted side reactions are reduced, and workup procedures are greatly simplified.The reactions appear to be quite general as β-diketones, β-keto esters, β-keto amides, and β-diesters are all found to react.A rational mechanism which suggests further research is presented.

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