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140934-51-6

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140934-51-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140934-51-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,9,3 and 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 140934-51:
(8*1)+(7*4)+(6*0)+(5*9)+(4*3)+(3*4)+(2*5)+(1*1)=116
116 % 10 = 6
So 140934-51-6 is a valid CAS Registry Number.

140934-51-6Relevant articles and documents

Synthesis and antitumor activity of fused quinoline derivatives. II. Novel 4- and 7-hydroxyindolo-[3,2-b]quinolines

Yamato,Takeuchi,Chang,Hashigaki

, p. 528 - 530 (1992)

Novel indolo[3,2-b]quinoline derivatives (1c-f), which carried a methoxy or a hydroxy group at the 4- or 7-position of the lead compound 1a, were prepared and their antitumor activities against P388 in mice were examined. Except for the 4-hydroxy derivati

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