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52060-66-9

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52060-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52060-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,0,6 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 52060-66:
(7*5)+(6*2)+(5*0)+(4*6)+(3*0)+(2*6)+(1*6)=89
89 % 10 = 9
So 52060-66-9 is a valid CAS Registry Number.

52060-66-9Relevant articles and documents

Formation of dihydrouracils via cyclization of N-substituted 3-thioureidopropanoic acids and facile desulfurization

Delpiccolo, Carina M.L.,Albericio, Fernando,Schiksnis, Robert A.,Michelotti, Enrique L.

, p. 8949 - 8953 (2008/02/10)

Cyclization of N-3 substituted 3-thioureidopropanoic acids in isobutyric anhydride at high temperature resulted in the unexpected formation of N-3,N-1-substituted dihydrouracils, as confirmed by thorough spectroscopic characterization. A mechanism based on the identification of intermediates observed at lower reaction temperatures is proposed.

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