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569343-13-1

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569343-13-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 569343-13-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,9,3,4 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 569343-13:
(8*5)+(7*6)+(6*9)+(5*3)+(4*4)+(3*3)+(2*1)+(1*3)=181
181 % 10 = 1
So 569343-13-1 is a valid CAS Registry Number.

569343-13-1Downstream Products

569343-13-1Relevant articles and documents

Application of organolithium and related reagents in synthesis. XXVII.[1] Effect of the nucleophilic character of silyl enol ethers upon the conversion of 3-arylphthalides into 2-(1-Aryl-2-methoxycarbonyl) benzoic acids

Bieniek, Adam,Epsztajn, Jan,Kulikiewicz, Krystyna K.

, p. 667 - 677 (2003)

A convenient two step protocol preparation of the ortho-alkylated (by secondary substituent with the carbomethoxy group at the end of alkyl chain) aromatic carboxylic acids 6 from benzoic acids anilides 1 was developed, which exploited the reductive alkylation of phthalides 4 with silyl vinyl ethers 5a-b or silyl ketene acetals 5c-g as a key step, is described.

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