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15359-12-3

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15359-12-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15359-12-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,3,5 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 15359-12:
(7*1)+(6*5)+(5*3)+(4*5)+(3*9)+(2*1)+(1*2)=103
103 % 10 = 3
So 15359-12-3 is a valid CAS Registry Number.

15359-12-3Relevant articles and documents

Use of the Ketal Claisen Rearrangement for the Synthesis of Cyclic Sesquiterpenes Containing Quaternary Centers. A Formal Synthesis of Cuparene.

Schuda, Paul Francis,Potlock, Steven J.,Ziffer, Herman

, p. 463 - 468 (1987)

We have shown that the ketal based Claisen rearrangement can be useful for generating vicinal quaternary and tertiary-quaternary centers by suitable substitution on the reacting 2-cyclohexenols and cycloalkanone ketal.A rapid and efficient method for preparing hindered cycloalkanone ketals in very pure form is presented, as well as a useful modification for synthesizing the requied 2-cyclohexenols from alkyl anisoles with a minimum number of undesired side products.

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