Cas 1291073-40-9,7-butyl-8-(2-chlorobenzoyl)-2,3-dihydroimidazo[1,2-a]pyridin-5(1H)-one

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Check Digit Verification of cas no

The CAS Registry Mumber 1291073-40-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,1,0,7 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1291073-40:
(9*1)+(8*2)+(7*9)+(6*1)+(5*0)+(4*7)+(3*3)+(2*4)+(1*0)=139
139 % 10 = 9
So 1291073-40-9 is a valid CAS Registry Number.

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1291073-40-9Relevant academic research and scientific papers

Chemistry of heterocyclic ketene aminals: Construction of imidazo(pyrido)[1,2-a]pyridines and imidazo(pyrido)[3,2,1-ij][1,8]naphthyridines via DABCO-catalyzed tandem annulations

Li, Ming,Zhou, Zhong-Min,Wen, Li-Rong,Qiu, Zhong-Xuan

experimental part, p. 3054 - 3063 (2011/06/24)

2-(2-Chloroaroyl)methyleneimidazolidines with four reactive sites show fascinating structural features and could be used as a new strategy for the synthesis of novel heterocycles. This paper presents our new findings in the reaction of 2-(2-chloroaroyl)me

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