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1018817-73-6

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1018817-73-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1018817-73-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,8,8,1 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1018817-73:
(9*1)+(8*0)+(7*1)+(6*8)+(5*8)+(4*1)+(3*7)+(2*7)+(1*3)=146
146 % 10 = 6
So 1018817-73-6 is a valid CAS Registry Number.

1018817-73-6Relevant articles and documents

A straightforward synthesis of pyrazolines and pyrazoles: Palladium-catalyzed carbonylative vinylation-cyclocondensation reactions of aryl halides

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

experimental part, p. 4919 - 4924 (2011/10/31)

A novel consecutive one-pot synthesis of pyrazolines and pyrazoles starting from simple aryl halides, styrenes, carbon monoxide, and hydrazines has been established. Palladium-catalyzed carbonylative vinylation of aryl halides gave the corresponding chalcones, which are trapped in situ by addition of hydrazines.

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