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679407-19-3

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679407-19-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 679407-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,9,4,0 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 679407-19:
(8*6)+(7*7)+(6*9)+(5*4)+(4*0)+(3*7)+(2*1)+(1*9)=203
203 % 10 = 3
So 679407-19-3 is a valid CAS Registry Number.

679407-19-3Downstream Products

679407-19-3Relevant articles and documents

Synthesis of 6-nitroderivatives of oxazolo[3,2-a]-pyridines and their reactions with nucleophiles

Bush, Alexander A.,Babaev, Eugene V.

, p. 460 - 466 (2003)

5-Nitro-2-pyridone can be selectively N-phenacylated, and the resulting phenacylpyridones I undergo cyclization to 6-nitrooxazolo[3,2-a]pyridinium salts II. These salts II readily react with ammonia and aliphatic amines leading to the products of pyridine ring opening - previously unknown 1-amino-2-nitro-4- (oxazole-2-yl)butadienes-1,3. Reaction of salts II with water lead to hydrolytic cleavage of the oxazole fragment.

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