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51673-52-0

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51673-52-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51673-52-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,6,7 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51673-52:
(7*5)+(6*1)+(5*6)+(4*7)+(3*3)+(2*5)+(1*2)=120
120 % 10 = 0
So 51673-52-0 is a valid CAS Registry Number.

51673-52-0Relevant articles and documents

REACTION OF N-CHLORO-N'-ARYLSULFONYL- AND N'-BENZOYLBENZAMIDINES WITH SULFUR AND SULFUR DICHLORIDE

Borovikova, G. S.,Levchenko, E. S.,Borovik, E. I.,Darmokhval, E. A.

, p. 171 - 176 (2007/10/02)

N-(N'-Arylsulfonylbenzimidoyl)dichlorosulfimides are obtained in the reaction of N-chloro-N'-arylsulfonylbenzamidines with sulfur or sulfur dichloride.N-Chloro-N'-benzoylbenzamidine reacts with sulfur dichloride in the presence of pyridine to form N-(N'-benzoylbenzimidoyl)dichlorosulfimide.Thermolysis of the latter gives 1,3,5-triphenyl-sym-triazine.When N-chloro- or N,N-dichloro-N'-benzoylbenzamidines are heated with an excess of sulfur dichloride, 2,4-diphenyl-1,3,5-thiadiazole is formed.The reaction of N-chloro-N'-benzoylbenzamidine with thionyl chloride gives N-(N'- benzoylbenzimidoyl)sulfinylamine, which decomposes with the formation of 1,3,5-triphenyl-sym-triazine when heated in inert solvents.

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