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1221794-72-4

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1221794-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221794-72-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,7,9 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1221794-72:
(9*1)+(8*2)+(7*2)+(6*1)+(5*7)+(4*9)+(3*4)+(2*7)+(1*2)=144
144 % 10 = 4
So 1221794-72-4 is a valid CAS Registry Number.

1221794-72-4Relevant articles and documents

Impact of silyl enol ether stability on palladium-catalyzed arylations

Guo, Yong,Tao, Guo-Hong,Blumenfeld, Alex,Shreeve, Jean'ne M.

experimental part, p. 1818 - 1823 (2010/06/18)

The effect of stability on arylation of silyl enol ethers as dictated by the presence of bulky silyl groups was elucidated through experiment and calculation. With the enhancement of stability of the silyl enol ethers, especially of acyclic ethers, the ef

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