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72960-20-4

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72960-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72960-20-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,6 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72960-20:
(7*7)+(6*2)+(5*9)+(4*6)+(3*0)+(2*2)+(1*0)=134
134 % 10 = 4
So 72960-20-4 is a valid CAS Registry Number.

72960-20-4Downstream Products

72960-20-4Relevant articles and documents

Direct acylation of aryl chlorides with aldehydes by palladium-pyrrolidine Co-catalysis

Colbon, Paul,Ruan, Jiwu,Purdie, Mark,Xiao, Jianliang

, p. 3670 - 3673 (2010)

A palladium catalyst system has been developed that allows for the direct acylation of aryl chlorides with aldehydes. The choice of ligand, as well as the presence of pyrrolidine and molecular sieves is shown to be critical to the catalysis, which appears to proceed via an enamine intermediate. The reaction was successful for a wide range of aryl chlorides and tolerant of functionality on the aldehyde component, giving easy access to alkyl aryl ketones in modest to good yields.

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