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265988-20-3

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265988-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 265988-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,5,9,8 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 265988-20:
(8*2)+(7*6)+(6*5)+(5*9)+(4*8)+(3*8)+(2*2)+(1*0)=193
193 % 10 = 3
So 265988-20-3 is a valid CAS Registry Number.

265988-20-3Downstream Products

265988-20-3Relevant articles and documents

Halophilic reactions of pentafluorohalobenzenes with transition-metal carbonyl anions

Ivushkin,Sazonov,Artamkina,Beletskaya

, p. 77 - 86 (2007/10/03)

In the present work we widen the scope of the halophilic mechanism of nucleophilic aromatic substitution, which we found earlier for the reaction of pentafluorochlorobenzene with [CpFe(CO)2]- anion, to reactions of pentafluorohalobenzenes (Hal=Cl, Br, I) with various metal carbonyl anions [Re(CO)5]-, [Mn(CO)5]- and [CpFe(CO)2]-. Nucleophilic aromatic substitution with the [CpFe(CO)2]- anion yields C6F5Fe(CO)2Cp, while with [Re(CO)5]- and [Mn(CO)5]- anions the halo(acyl)metallates cis-[C6F5(CO)M(CO)4Hal]Na (M=Mn, Re) are obtained.

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