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154822-28-3

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154822-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154822-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,8,2 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 154822-28:
(8*1)+(7*5)+(6*4)+(5*8)+(4*2)+(3*2)+(2*2)+(1*8)=133
133 % 10 = 3
So 154822-28-3 is a valid CAS Registry Number.

154822-28-3Downstream Products

154822-28-3Relevant articles and documents

Application of organolithium and related reagents in synthesis. Part 14. Synthetic strategies based on aromatic metallation. A concise regiospecific conversion of benzole acids into their ortho-pyridoyl derivatives

Epsztajn, Jan,Jozwiak, Andrzej,Krysiak, Jerzy A.

, p. 2907 - 2916 (1994)

The synthesis of the 3-hydroxy-3-pyridyl-isoindolin-1-ones (5) and (6) via metallation (n-BuLi) of the benzanilides (1), and then the reaction of the generated bis lithiated anilides (2) with N,N-dimethylamides or methyl esters of pyridinecarboxylic acids (benzoylation reagents), and subsequent acidic hydrolysis of (5) and (6) as a way (general synthetic strategy) of regiospecific transformation of benzoic acids into their ortho-benzoylated derivatives, is described.

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