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682742-71-8

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682742-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 682742-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,2,7,4 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 682742-71:
(8*6)+(7*8)+(6*2)+(5*7)+(4*4)+(3*2)+(2*7)+(1*1)=188
188 % 10 = 8
So 682742-71-8 is a valid CAS Registry Number.

682742-71-8Relevant articles and documents

Multicomponent Hantzsch cyclocondensation as a route to highly functionalized 2- and 4-dihydropyridylalanines, 2- and 4-pyridylalanines, and their N-oxides: Preparation via a polymer-assisted solution-phase approach

Dondoni, Alessandro,Massi, Alessandro,Minghini, Erik,Bertolasi, Valerio

, p. 2311 - 2326 (2007/10/03)

An improved and efficient entry to highly functionalized β-(2-pyridyl)- and β-(4-pyridyl)alanines and the corresponding 1,4-dihydro and N-oxide derivatives has been developed by one-pot thermal Hantzsch-type cyclocondensation of aldehyde-ketoester-enamine

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