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199279-10-2

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199279-10-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199279-10-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,2,7 and 9 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 199279-10:
(8*1)+(7*9)+(6*9)+(5*2)+(4*7)+(3*9)+(2*1)+(1*0)=192
192 % 10 = 2
So 199279-10-2 is a valid CAS Registry Number.

199279-10-2Relevant articles and documents

Synthesis of 2-aroylmethylquinolin-4-ones via the addition reaction of ortho-nitrobenzoylketene to 1-aryl-l-trimethylsilyloxyethylenes

Toda, Jun,Saitoh, Toshiaki,Sano, Takehiro

, p. 1937 - 1944 (2007/10/03)

Catalytic hydrogenation of 1-aryl-5-(2-nitrophenyl)pentane-1,3,5-triones A over 10% Pd-C caused selective reduction of the nitro group with concomitant cyclization to give 2-aroylmethylquinolin-4-ones B. This provides a simple method of quinolin-4-one synthesis.

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