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1611491-29-2

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1611491-29-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1611491-29-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,1,4,9 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1611491-29:
(9*1)+(8*6)+(7*1)+(6*1)+(5*4)+(4*9)+(3*1)+(2*2)+(1*9)=142
142 % 10 = 2
So 1611491-29-2 is a valid CAS Registry Number.

1611491-29-2Relevant articles and documents

A novel synthetic approach to 4-acetamido-1-arylindazoles via Semmler-Wolff rearrangement of 1-aryl-6,7-dihydro-5H-indazol-4-one oxime

Manjunatha, Sulur G.,Bachu, Sreekanth,Kadambar, Vasantha Krishna,Murugan, Andiappan,Ramasubramanian, Sridharan,Ramachandra, Puranik,Nambiar, Sudhir

, p. 3348 - 3350 (2014/06/09)

A simple and efficient procedure for the syntheses of 4-acetamido-1- arylindazoles from corresponding 1-aryl-6,7-dihydro-5H-indazol-4-one oximes by Semmler-Wolff aromatization using acetic anhydride and sodium iodide is reported.

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