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215960-01-3

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215960-01-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 215960-01-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,9,6 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 215960-01:
(8*2)+(7*1)+(6*5)+(5*9)+(4*6)+(3*0)+(2*0)+(1*1)=123
123 % 10 = 3
So 215960-01-3 is a valid CAS Registry Number.

215960-01-3Relevant academic research and scientific papers

Asymmetric synthesis of enantiomerically pure 7-isopropenyl-4a-methyl-3-methyleneoctahydrochromen-2-ones

Krawczyk, Henryk,Sliwinski, Marcin,Kedzia, Jacek,Wojciechowski, Jakub,Wolf, Wojciech M.

, p. 2712 - 2718 (2008/09/16)

Four stereoisomers of 7-isopropenyl-4a-methyl-3-methyleneoctahydrochromenon-2-one have been obtained for the first time. The key step of the synthesis involves asymmetric Michael addition of chiral enamines derived from dihydrocarvone to acrylate 1. Absolute configurations were established by X-ray analysis.

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