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297142-74-6

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297142-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 297142-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,7,1,4 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 297142-74:
(8*2)+(7*9)+(6*7)+(5*1)+(4*4)+(3*2)+(2*7)+(1*4)=166
166 % 10 = 6
So 297142-74-6 is a valid CAS Registry Number.

297142-74-6Relevant academic research and scientific papers

Reaction of 2-aryl-4-dichloromethylidene-1,3-oxazol-5(4H)-ones with 2-aminopyridine

Prokopenko,Pil'O,Brovarets,Vasilenko,Drach

scheme or table, p. 121 - 126 (2010/05/01)

Reactions of multicenter electrophilic substrates, 2-aryl-4- dichloromethylidene-1,3-oxazol-5(4H)-ones, with 2-aminopyridine, involved cleavage of the dihydrooxazole ring by the primary amino group of nucleophilic reagent and subsequent cyclization to imi

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