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197715-76-7

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197715-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197715-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,7,1 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 197715-76:
(8*1)+(7*9)+(6*7)+(5*7)+(4*1)+(3*5)+(2*7)+(1*6)=187
187 % 10 = 7
So 197715-76-7 is a valid CAS Registry Number.

197715-76-7Downstream Products

197715-76-7Relevant articles and documents

Activation of the ketone of 5-Cyclodecenones towards thermal transannular cyclization to give trans-hydroazulenols

Fan, Weiming,White, James B.

, p. 7155 - 7158 (2007/10/03)

The cyclization of 5-cyclodecenones substituted at C2 with an alkoxy group was examined. The alkoxy group sufficiently activates the ketone to allow for transannular cyclization upon heating, leading to trans fused hydroazulenols. In the cyclization of th

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