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725705-48-6

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725705-48-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 725705-48-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,5,7,0 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 725705-48:
(8*7)+(7*2)+(6*5)+(5*7)+(4*0)+(3*5)+(2*4)+(1*8)=166
166 % 10 = 6
So 725705-48-6 is a valid CAS Registry Number.

725705-48-6Relevant articles and documents

Preparation of 2-aminopyridoimidazoles and 2-aminobenzimidazoles via phosphorus oxychloride-mediated cyclization of aminoureas

Deasy, Rebecca E.,Slattery, Catherine N.,Maguire, Anita R.,Kjell, Douglas P.,Hawk, Mai Khanh N.,Joo, Jung Min,Gu, Rui Lin,Moynihan, Humphrey

, p. 3688 - 3695 (2014/05/06)

The novel preparation of 2-aminopyridoimidazoles and 2-aminobenzimidazoles via the cyclization of (2-aminopyridin-3-yl)urea and (2-aminophenyl)urea substrates in the presence of phosphorus oxychloride is described. This methodology is demonstrated for a range of urea substrates with aminoimidazole products obtained in good yields and with excellent levels of purity.

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