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920490-72-8

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920490-72-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 920490-72-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,4,9 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 920490-72:
(8*9)+(7*2)+(6*0)+(5*4)+(4*9)+(3*0)+(2*7)+(1*2)=158
158 % 10 = 8
So 920490-72-8 is a valid CAS Registry Number.

920490-72-8Relevant articles and documents

Flexible strategy for differentially 3,5-disubstituted 4-oxypyridin-2(1H)- ones based on site-selective Pd-catalyzed cross-coupling reactions

Conreaux, David,Bossharth, Emmanuel,Monteiro, Nuno,Desbordes, Philippe,Vors, Jean-Pierre,Balme, Genevieve

, p. 271 - 274 (2007/10/03)

(Chemical Equation Presented) 3,5-Dihalogeno-4-methoxy-N-methylpyridin- 2(1H)-ones have been shown to undergo single Suzuki coupling reactions in a site-selective fashion. Monoarylations occur at the C-5 position preferentially, thus leaving the remaining

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