Cas 128806-53-1,ethyl di(4-methylphenylsulfonyl)methyl ether

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Check Digit Verification of cas no

The CAS Registry Mumber 128806-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,0 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128806-53:
(8*1)+(7*2)+(6*8)+(5*8)+(4*0)+(3*6)+(2*5)+(1*3)=141
141 % 10 = 1
So 128806-53-1 is a valid CAS Registry Number.

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128806-53-1Relevant academic research and scientific papers

DONOR SUBSTITUTED SULFONYL CARBENES - 1. METHOXY ARYLSULFONYL CARBENES

Schank, Kurt,Abdel Wahab, Aboel-Magd A.,Eigen, Peter,Jager, Juergen

, p. 6667 - 6678 (2007/10/02)

Alkoxy arylsulfonyl carbenes 3 are generated by α elimination of hydrogen halide from (alkoxy)(halogeno)methyl aryl sulfones 1.Their self-decomposition as well as trapping reactions with diazoalkanes and with appropriate olefins are described.The structures of obtained cyclopropanes 21 and 23 are elucidated by 1H NMR methods.

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