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1372404-62-0

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1372404-62-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1372404-62-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,4,0 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1372404-62:
(9*1)+(8*3)+(7*7)+(6*2)+(5*4)+(4*0)+(3*4)+(2*6)+(1*2)=140
140 % 10 = 0
So 1372404-62-0 is a valid CAS Registry Number.

1372404-62-0Downstream Products

1372404-62-0Relevant articles and documents

Hydroxylated terphenylphosphine ligands for palladium-catalyzed ortho-selective cross-coupling of dibromophenols, dibromoanilines, and their congeners with Grignard reagents

Ishikawa, Shunpei,Manabe, Kei

experimental part, p. 10156 - 10163 (2012/02/13)

p-Terphenylphosphines bearing one or two hydroxy groups were used as ligands to palladium in the cross-coupling of dibromophenols, dibromoanilines, and their congeners with Grignard reagents. High ortho-selectivity that cannot be achieved using other phosphine ligands was observed. ortho-Preference was also observed in competitive cross-coupling reactions of two substrates. A significant effect of the concentration of the Grignard reagent on the ortho-selectivity was observed, when the hydroxylated terphenylphosphines were used. Kinetic studies on this effect showed that high concentrations of the Grignard reagent retard the cross-coupling reaction only at the para-position, but not at the ortho-position.

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