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1201947-56-9

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1201947-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1201947-56-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,9,4 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1201947-56:
(9*1)+(8*2)+(7*0)+(6*1)+(5*9)+(4*4)+(3*7)+(2*5)+(1*6)=129
129 % 10 = 9
So 1201947-56-9 is a valid CAS Registry Number.

1201947-56-9Downstream Products

1201947-56-9Relevant articles and documents

The reaction of acyl cyanides with "huisgen zwitterion": An interesting rearrangement involving ester group migration between oxygen and nitrogen atoms

Liu, Xu-Guang,Wei, Yin,Shi, Min

supporting information; experimental part, p. 4708 - 4714 (2009/12/08)

A novel rearrangement involving ester group migration was found in the reaction of acyl cyanides and Huisgen zwitterions, affording hydrazone derivatives at higher temperature (90 °C) and azine derivatives at lower temperature (20 °C), respectively. Inter

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