Cas 97226-90-9,N-isopropyl cyclohexyl urea

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Check Digit Verification of cas no

The CAS Registry Mumber 97226-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,2,2 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97226-90:
(7*9)+(6*7)+(5*2)+(4*2)+(3*6)+(2*9)+(1*0)=159
159 % 10 = 9
So 97226-90-9 is a valid CAS Registry Number.

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97226-90-9Relevant articles and documents

Some Extensions of von Braun (BrCN) Reaction on Organic Bases, Part IV

Siddiqui, Salimuzzaman,Haider, S. Imtiaz,Ahmad, S. Salman,Siddiqui, B. Shaheen

, p. 546 - 549 (2007/10/02)

Extensions of von Braun cyanogen bromide reaction have been undertaken on some aliphatic and heterocyclic amines.Monocyanamides of all these bases yielded their respective urea and carboxamide derivatives on hydrolysis with dilute hydrochloric acid.They also gave the amido derivatives on reaction with Zn/HCl, as in the case of diisobutyl and di-2-butyl cyanamides. - Key words: von Braun Cyanogen Bromide Reaction

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97226-90-9