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643067-92-9

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643067-92-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 643067-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,3,0,6 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 643067-92:
(8*6)+(7*4)+(6*3)+(5*0)+(4*6)+(3*7)+(2*9)+(1*2)=159
159 % 10 = 9
So 643067-92-9 is a valid CAS Registry Number.

643067-92-9Downstream Products

643067-92-9Relevant academic research and scientific papers

Flexible palladium-catalysed amidation reactions for the synthesis of complex aryl amides

Barfoot, Christopher,Brooks, Gerald,Brown, Pamela,Dabbs, Steven,Davies, David T.,Giordano, Ilaria,Hennessy, Alan,Jones, Graham,Markwell, Roger,Miles, Timothy,Pearson, Neil,Smethurst, Christian A.

experimental part, p. 2685 - 2689 (2010/06/21)

This Letter describes the synthesis of complex aryl amides using palladium-catalysed amidation reactions. Use of these conditions allowed for the coupling of a variety of aryl halides and triflates with a host of primary amides in high yields.

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