Cas 102775-83-7,3-phenylsulfonyl-3-vinylcyclotridecanone

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Check Digit Verification of cas no

The CAS Registry Mumber 102775-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,7,7 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 102775-83:
(8*1)+(7*0)+(6*2)+(5*7)+(4*7)+(3*5)+(2*8)+(1*3)=117
117 % 10 = 7
So 102775-83-7 is a valid CAS Registry Number.

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102775-83-7Relevant academic research and scientific papers

A One-Carbon Ring Enlarged Cyclopropanation or Vinylation Reaction of Cyclic Keto Esters or Sulfones

Sugawara, Tomoo,Kuwajima, Isao

, p. 5571 - 5574 (1985)

On treating potassium salts of n-membered cyclic keto esters or sulfones with phenyl 1-propenyl selenone, a one-carbon ring expansion reaction involving cyclopropanation or vinylation takes place to give the corresponding bicycloalkanones or (n

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