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289892-51-9

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289892-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 289892-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,8,9 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 289892-51:
(8*2)+(7*8)+(6*9)+(5*8)+(4*9)+(3*2)+(2*5)+(1*1)=219
219 % 10 = 9
So 289892-51-9 is a valid CAS Registry Number.

289892-51-9Downstream Products

289892-51-9Relevant articles and documents

A novel route to acyl ureas: Syntheses of N-[5-(2-chlorophenyl)-2- furoyl]-N'-arylthioureas and ureas

Li, Zheng,Wang, Xicun,Da, Yuxia,Chen, Jichou

, p. 2635 - 2645 (2007/10/03)

A novel route to acyl ureas is described. Reaction of 5-(2- chlorophenyl)-2-furoyl chloride with ammonium thiocyanate first, then arylamine under phase transfer catalysis gives N-[5-(2-chlorophenyl)-2- furoyl]-N'-arylthioureas (1a-o). Compounds 1a-o on ox

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