Cas 217178-71-7,C<sub>18</sub>H<sub>13</sub>NO

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Check Digit Verification of cas no

The CAS Registry Mumber 217178-71-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,1,7 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 217178-71:
(8*2)+(7*1)+(6*7)+(5*1)+(4*7)+(3*8)+(2*7)+(1*1)=137
137 % 10 = 7
So 217178-71-7 is a valid CAS Registry Number.

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217178-71-7Relevant articles and documents

Palladium-catalyzed coupling reactions: Carbonylative heck reactions to give chalcones

Wu, Xiao-Feng,Neumann, Helfried,Beller, Matthias

scheme or table, p. 5284 - 5288 (2010/10/18)

Chalcones made easy: Carbonylative Heck reactions of aryl and alkenyl triflate derivatives with carbon monoxide and aromatic olefins proceed in the presence of palladium catalysts (see scheme; dppp=1,3-bis(diphenylphosphino) propane, Tf=triflate; R=aryl,

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217178-71-7