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172896-68-3

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172896-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172896-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,8,9 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 172896-68:
(8*1)+(7*7)+(6*2)+(5*8)+(4*9)+(3*6)+(2*6)+(1*8)=183
183 % 10 = 3
So 172896-68-3 is a valid CAS Registry Number.

172896-68-3Downstream Products

172896-68-3Relevant articles and documents

An efficient synthesis of a class of novel N-alkyl-N-aryl-4-hydroxy-1-methyl-2-oxo-1,2-dihydro-3- quinolinecarbothioamides

Spears, Glen W.,Tsuji, Kiyoshi,Tojo, Takashi,Nishimura, Hiroaki,Ogino, Takashi

, p. 799 - 804 (2007/10/03)

The novel title compounds have been prepared in high yield by an optimized amide coupling followed by a Dieckmann cyclization. Additionally, this new route is amenable to preparative scale synthesis.

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