Cas 810690-72-3,9-(4-nitro-benzenesulfonyl)-nona-3,8-diene-2-one

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Check Digit Verification of cas no

The CAS Registry Mumber 810690-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,0,6,9 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 810690-72:
(8*8)+(7*1)+(6*0)+(5*6)+(4*9)+(3*0)+(2*7)+(1*2)=153
153 % 10 = 3
So 810690-72-3 is a valid CAS Registry Number.

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810690-72-3Relevant academic research and scientific papers

Nucleophilic catalysis via phosphine conjugate addition: Vinyl sulfones as reacting partners in catalytic cross-Michael cycloisomerization

Luis, Ana Liza,Krische, Michael J.

, p. 2579 - 2585 (2007/10/03)

Vinylsulfones serve as highly effective reacting partners in tributylphosphine catalyzed cross-Michael cycloisomerization. In all cases examined, the vinylsulfone moiety exclusively serves as the Michael acceptor to provide 5- and 6-membered ring products

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