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201294-65-7

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201294-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201294-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,2,9 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 201294-65:
(8*2)+(7*0)+(6*1)+(5*2)+(4*9)+(3*4)+(2*6)+(1*5)=97
97 % 10 = 7
So 201294-65-7 is a valid CAS Registry Number.

201294-65-7Relevant articles and documents

Synthesis and reduction reactions of pyridones and 5-acyl-2-methoxypyridines

Bisset, Alexander A.,Dishington, Allan,Jones, Teyrnon,Clarkson, Guy J.,Wills, Martin

, p. 7207 - 7220 (2017/09/12)

The synthesis of a series of pyridones, from their 2-hydroxypyridine or 2-methoxypyridine precursors, is described, along with studies into their reductions to saturated heterocycles. A number of 5-acylpyridones were prepared and were evaluated as substrates for asymmetric transfer hydrogenation prior to conversion to saturated heterocycles. The enantioselective reduction of 5-acetyl-1-benzylpyrimidine-2,4(1H,3H)-dione is also described.

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