Cas 1206197-80-9,C22H28N2O5

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Check Digit Verification of cas no

The CAS Registry Mumber 1206197-80-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,6,1,9 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1206197-80:
(9*1)+(8*2)+(7*0)+(6*6)+(5*1)+(4*9)+(3*7)+(2*8)+(1*0)=139
139 % 10 = 9
So 1206197-80-9 is a valid CAS Registry Number.

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1206197-80-9Relevant academic research and scientific papers

Synthesis of polysubstituted 5-aminooxazoles from α- diazocarbonyl esters and α-isocyanoacetamides

Wu, Jianwei,Chen, Wenteng,Hu, Miao,Zou, Hongbin,Yu, Yongping

supporting information; experimental part, p. 616 - 618 (2010/05/19)

[Chemical equation presented] A novel and efficient reaction for the synthesis of 2-keto-5-aminooxazoles is developed. The entire sequence is realized by simply heating a xylene solution of α-diazocarbonyl esters and α-isocyanoacetamides without any promoters. A possible mechanism for the entire sequence is proposed.

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