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157558-46-8

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157558-46-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157558-46-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,5,5 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 157558-46:
(8*1)+(7*5)+(6*7)+(5*5)+(4*5)+(3*8)+(2*4)+(1*6)=168
168 % 10 = 8
So 157558-46-8 is a valid CAS Registry Number.

157558-46-8Downstream Products

157558-46-8Relevant articles and documents

Reactions of β-Dicarbonyl Compounds with Acyl Cyanides Catalyzed or Promoted by Metal Centres in the Homogeneous Phase

Veronese, Augusto C.,Callegari, Rosella,Basato, Marino,Valle, Giovanni

, p. 1779 - 1786 (2007/10/02)

The C-C bond-forming reaction between β-dicarbonyl compouds and acyl cyanides is catalyzed by nickel acetylacetonate or promoted by tin tetrachloride.Thus, β-diketones react with acyl cyanides in the presence of catalytic amounts of to give β-

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