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154822-30-7

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154822-30-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154822-30-7 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, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 154822-30:
(8*1)+(7*5)+(6*4)+(5*8)+(4*2)+(3*2)+(2*3)+(1*0)=127
127 % 10 = 7
So 154822-30-7 is a valid CAS Registry Number.

154822-30-7Downstream Products

154822-30-7Relevant articles and documents

Application of organolithium and related reagents in synthesis. Part 18. Synthetic strategies based on aromatic metallation. A conversion of methyl ortho-pyridoylbenzoates into aza-anthra-5,10-quinones

Epsztajn, Jan,Jozwiak, Andrzej,Krysiak, Jerzy K.,Lucka, Dariusz

, p. 11025 - 11036 (1996)

The synthesis of the aza-anthraquinones (16) and (17) via metallation (LDA/THF) of the pyridine nucleus at the C3-carbon atom of the methyl ortho-pyridinecarbonyl benzoates (12) and (13), and then the intramolecular cross addition of the generated lithiated species to the carbomethoxy group is described.

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 (2007/10/02)

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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