Cas 202993-33-7,1-[((E)-Dec-2-ene)-1-sulfonyl]-4-methyl-benzene

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Check Digit Verification of cas no

The CAS Registry Mumber 202993-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,9,9 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 202993-33:
(8*2)+(7*0)+(6*2)+(5*9)+(4*9)+(3*3)+(2*3)+(1*3)=127
127 % 10 = 7
So 202993-33-7 is a valid CAS Registry Number.

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202993-33-7Relevant academic research and scientific papers

A CONVENIENT METHOD FOR THE PREPARATION OF α-ALKYLATED VINYLIC SULFONES AND THEIR CONVERSION TO ALLYLIC SULFONES

Inomata, Katsuhiko,Tanaka, Yuhji,Sasaoka, Shin-ichi,Kinoshita, Hideki,Kotake, Hiroshi

, p. 341 - 344 (2007/10/02)

2-Pyrrolidinoalkyl p-tolyl sulfones, which were readily available by the addition of pyrrolidine to vinylic or allylic sulfones, were converted to the corresponding α-alkylated vinylic sulfones through α-alkylation followed by elimination of pyrrolidino g

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