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109541-34-6

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109541-34-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109541-34-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,4 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109541-34:
(8*1)+(7*0)+(6*9)+(5*5)+(4*4)+(3*1)+(2*3)+(1*4)=116
116 % 10 = 6
So 109541-34-6 is a valid CAS Registry Number.

109541-34-6Relevant articles and documents

The electrochemical behaviour of some 1-ethylmercapto-3-(4H)isoquinolones derivatives. Part I. Electroreduction of 4-arylazo-1-ethylmercapto-3-(4H)isoquinolones derivatives in alcoholic aqueous media

Fahmy, H. M.,Daboun, H. A.,Azzem, M. Abdel,Cauquis, G.,Pierre, G.

, p. 2904 - 2907 (2007/10/02)

The polarographic reduction data of 4-arylazo-1-ethylmercapto-3-(4H)isoquinolone derivatives in 50 percent by volume ethanolic aqueous buffered media are reported and discussed.These compounds exist in several tautomeric forms so their structures have been investigated using ir and polarographic analyses.The data obtained indicated that these compounds in aqueous media and in solid state exist predominantly in the azo form.A mechanism interpreting the electrode process is proposed and confirmed via the identification of CPE products and Hammett's ?-E relations.

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