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944048-40-2

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944048-40-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 944048-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,4,0,4 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 944048-40:
(8*9)+(7*4)+(6*4)+(5*0)+(4*4)+(3*8)+(2*4)+(1*0)=172
172 % 10 = 2
So 944048-40-2 is a valid CAS Registry Number.

944048-40-2Downstream Products

944048-40-2Relevant academic research and scientific papers

Regioselective synthesis of 2H-benzothiopyrano[3,2-c]quinolin-7(8H)-ones by tri-n-butyltinhydride-mediated radical cyclization

Majumdar,Kundu

, p. 1747 - 1756 (2008/02/01)

A number of hitherto unreported 2H-benzothiopyrano[3,2-c]quinolin-7(8H)- ones have been regioselectively synthesized in 90-96% yield by tri-n-butyltinhydride-AIBN-mediated radical cyclization from 4-(2′-bromothioarylmethyl)-1-methylquinolin-2(1H)-ones and

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