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199787-50-3

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199787-50-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199787-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,7,8 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 199787-50:
(8*1)+(7*9)+(6*9)+(5*7)+(4*8)+(3*7)+(2*5)+(1*0)=223
223 % 10 = 3
So 199787-50-3 is a valid CAS Registry Number.

199787-50-3Downstream Products

199787-50-3Relevant articles and documents

Synthesis of 3,5-Disubstituted 1-Amino-1,3,5-triazine-2,4,6-triones (or 1-Aminocyanurates) by Cyclic Transformation of 1,3,4-Oxadiazol-2(3H)-one Derivatives

Chau, Francois,Malanda, Jean-Claude,Milcent, Rene

, p. 1603 - 1606 (2007/10/03)

The 5-aryl(or methyl)-3-phenylcarbamoyl-3,4-oxadiazol-2(3H)-ones 2, in the presence of sodium hydride in anhydrous dimethylformamide, were transformed into 1-benzamido(or acetamido)-3,5-diphenyl-1,3,5-triazine-2,4,6-trione derivatives 7 in poor yields. Ho

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