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161093-16-9

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161093-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161093-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,0,9 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 161093-16:
(8*1)+(7*6)+(6*1)+(5*0)+(4*9)+(3*3)+(2*1)+(1*6)=109
109 % 10 = 9
So 161093-16-9 is a valid CAS Registry Number.

161093-16-9Downstream Products

161093-16-9Relevant articles and documents

N,N'-Doacylated imidazolidines and hexahydropyrimidines

Luk'yanov, O. A.,Pokhvisneva, G. V.,Ternikova, T. V.

, p. 1376 - 1380 (1994)

A method for the preparation of N-monoacyl imidazolidines and hexahydropyrimidines (as hydrochlorides) by interaction of monoacylated derivatives of ethylenediamine and trimethylethylenediamine with chloromethyl methyl ether was developed.Also a method for the preparation of N,N'-diacylimidazolidines and hexahydropyrimidines either by acylation of their monoacyl derivatives or by reaction of the corresponding N,N'-diacyl alkylenediamine derivatives with dimethoxymethane, diacetoxymethane, 1,3,5-trioxane or chloromethyl methyl ether was designed. - Key words: N-mono- and N,N'-diacylated imidazolidines, N-mono- and N,N'-diacylated hexahydropyrimidines, N,N'-diacylated alkylenediamines, acylation, methylation, cyclization.

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