Cas 109802-72-4,Benzene, [(1-methylene-2-butenyl)sulfonyl]-

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Check Digit Verification of cas no

The CAS Registry Mumber 109802-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,0 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109802-72:
(8*1)+(7*0)+(6*9)+(5*8)+(4*0)+(3*2)+(2*7)+(1*2)=124
124 % 10 = 4
So 109802-72-4 is a valid CAS Registry Number.

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109802-72-4Relevant academic research and scientific papers

DIMERIZATION OF (E)-2-BENZENESULFONYL-1,3-ALKADIENES. THE BENZENESULFONYL GROUP EXERTS ACYCLIC STEREOCONTROL

Hoffmann, H. Martin R.,Weichert, Andreas,Slawin, Alexandra M. Z.,Williams, D. J.

, p. 5591 - 5602 (2007/10/02)

Mild dehydration of 2-benzenesulfonyl allylic alcohols 8 afforded a series of (E)-2-benzenesulfonyl-1,3-alkadienes 1 which dimerized to functionalized vinylcyclohexenes 3 in regio- and stereodefined manner.The configuration at C-3 in 3e was determined by

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109802-72-4

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