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127269-19-6

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127269-19-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127269-19-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,2,6 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127269-19:
(8*1)+(7*2)+(6*7)+(5*2)+(4*6)+(3*9)+(2*1)+(1*9)=136
136 % 10 = 6
So 127269-19-6 is a valid CAS Registry Number.

127269-19-6Relevant articles and documents

A novel synthesis of unsymmetrical azo aromatics inaccessible by diazo-coupling reaction

Ayyangar,Naik,Srinivasan

, p. 7253 - 7256 (1989)

A novel synthesis of unsymmetrical azo aromatics inaccessible by diazo-coupling reaction is reported. The synthesis involved the reaction of acetanilides with nitroarenes under moderate reaction conditions. A reaction pathway via a nitrosoarene intermediate involving elimination of the elements of the acetate anion, is proposed.

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