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1257940-48-9

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1257940-48-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257940-48-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,9,4 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1257940-48:
(9*1)+(8*2)+(7*5)+(6*7)+(5*9)+(4*4)+(3*0)+(2*4)+(1*8)=179
179 % 10 = 9
So 1257940-48-9 is a valid CAS Registry Number.

1257940-48-9Downstream Products

1257940-48-9Relevant academic research and scientific papers

Facile synthesis of alkyl and aryl substituted dibenzo[b,g][1,8] naphthyridin-5-ones

Manoj,Prasad, K. J. Rajendra

experimental part, p. 3290 - 3308 (2010/12/24)

The reaction of 2,4-dichloroquinolines with o-aminoacetophenone and o-aminobenzophenone under neat conditions yielded 2'-acetyl and 2'-benzoyl substituted-4-chloro-2-(N-phenylamino)quinolines, respectively, which on treatment with sodium methoxide afforde

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