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89635-74-5

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89635-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89635-74-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,3 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89635-74:
(7*8)+(6*9)+(5*6)+(4*3)+(3*5)+(2*7)+(1*4)=185
185 % 10 = 5
So 89635-74-5 is a valid CAS Registry Number.

89635-74-5Relevant academic research and scientific papers

Copper-catalyzed synthesis of esters from ketones. Alkyl group as a leaving group

Nakatani, Yuji,Koizumi, Yuichiro,Yamasaki, Ryu,Saito, Shinichi

supporting information; experimental part, p. 2067 - 2070 (2009/04/08)

The conversion of ketones to esters has been achieved through the use of Cu catalyst and tetrabutylammonium nitrite. This reaction involves the activation of the less activated C-C bond, and the alkyl group is removed as a leaving group. Various isopropyl ketones are found to be good substrates for this reaction.

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