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98678-08-1

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98678-08-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98678-08-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,7 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98678-08:
(7*9)+(6*8)+(5*6)+(4*7)+(3*8)+(2*0)+(1*8)=201
201 % 10 = 1
So 98678-08-1 is a valid CAS Registry Number.

98678-08-1Relevant articles and documents

Sulfur-Assisted Ring Expansion of the Potassium Salts of 1-Vinylcyclobutanols. A Versatile Synthesis of Cyclohexanones

Cohen, Theodore,Yu, Lin-Chen,Daniewski, Wlodzimierz M.

, p. 4596 - 4600 (2007/10/02)

Readily available 2-(phenylthio)-1-vinylcyclobutanols undergo a facile potassium hydride induced ring expansion to 4-(phenylthio)cyclohexanones.The sulfur substituent plays a key role.Evidence for a fragmentation to an enone-anion intermediate is discusse

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