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41649-12-1

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41649-12-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41649-12-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,6,4 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 41649-12:
(7*4)+(6*1)+(5*6)+(4*4)+(3*9)+(2*1)+(1*2)=111
111 % 10 = 1
So 41649-12-1 is a valid CAS Registry Number.

41649-12-1Relevant articles and documents

An Indirect Method for Engaging Unactivated Alkenes as Effective Dienophiles in Regioselective Diels-Alder Reactions

Paquette, Leo A.,Crouse, Gary D.

, p. 141 - 142 (1983)

Terminal alkenes and cyclic olefins can be made to enter into efficient, regiocontrolled Diels-Alder cycloaddition by prior selenosulfonation and oxidation to the vinyl sulfone.Reductive desulfonation after condensation with an activated diene provides th

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