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1021879-56-0

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1021879-56-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021879-56-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,8,7 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1021879-56:
(9*1)+(8*0)+(7*2)+(6*1)+(5*8)+(4*7)+(3*9)+(2*5)+(1*6)=140
140 % 10 = 0
So 1021879-56-0 is a valid CAS Registry Number.

1021879-56-0Downstream Products

1021879-56-0Relevant articles and documents

Preparation of silyl enol ethers from acyloin derivatives using silyllithium reagents

Robertson, Bradley D.,Hartel, Aaron M.

, p. 2088 - 2090 (2008/09/18)

A new method for the regioselective preparation of silyl enol ethers from acyloin derivatives using silyllithium reagents has been developed. Both dimethylphenyl- and methyldiphenylsilyllithium were found to be effective, the latter providing greater stereocontrol. The reaction is believed to proceed via Brook rearrangement assisted by expulsion of the adjacent leaving group. A number of acyclic acyloin derivatives were reacted to form the corresponding silyl enol ethers in good to excellent yield.

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