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144765-55-9

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144765-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144765-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,7,6 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 144765-55:
(8*1)+(7*4)+(6*4)+(5*7)+(4*6)+(3*5)+(2*5)+(1*5)=149
149 % 10 = 9
So 144765-55-9 is a valid CAS Registry Number.

144765-55-9Downstream Products

144765-55-9Relevant articles and documents

Direct Coupling of Functionalized Organolithium Compounds with Aryl and Vinyl Halides

Barluenga, Jose,Montserrat, Javier M.,Florez, Josefa

, p. 5976 - 5980 (2007/10/02)

The reaction between β- and γ-nitrogen-functionalized and γ- and ε-oxygen-functionalized organolithium compounds 3, 4, 30-32 and different aromatic, heteroaromatic, and vinylic halides affords directly the corresponding substitution products: functionalized benzamides 5-26 and alcohols 33-37.Symmetrical and mixed products of double coupling 38-40 were also prepared from 1,4-diiodobenzene.The formation of alkyl halides as intermediates has been verified.Aryl or vinyl halides giving rise to unstable aryl or vinyllithium reagents were unsuccessful in the coupling reaction.

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