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108974-49-8

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108974-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108974-49-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,7 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 108974-49:
(8*1)+(7*0)+(6*8)+(5*9)+(4*7)+(3*4)+(2*4)+(1*9)=158
158 % 10 = 8
So 108974-49-8 is a valid CAS Registry Number.

108974-49-8Downstream Products

108974-49-8Relevant articles and documents

A new anionic cyclization reaction: Condensation of benzoate esters with nitriles to give 3-amino-2-inden-1-ones

Kayaleh, Nadim E.,Gupta, Ramesh C.,Morrissey, John F.,Johnson, Francis

, p. 8121 - 8124 (1997)

A new type of anionic cyclization has been discovered in which the condensation of alkyl benzoates with simple nitriles, induced by an excess of LDA, leads directly to substituted-3-amino-1-ones. The corresponding intermediate β-oxonitriles undergo cyclization to give, in most instances, superior yields of the same compounds. Acid hydrolysis of these indenones leads in high yield to the corresponding biologically active (anticoagulant) indandiones.

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