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220191-31-1

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220191-31-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220191-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,1,9 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220191-31:
(8*2)+(7*2)+(6*0)+(5*1)+(4*9)+(3*1)+(2*3)+(1*1)=81
81 % 10 = 1
So 220191-31-1 is a valid CAS Registry Number.

220191-31-1Downstream Products

220191-31-1Relevant articles and documents

Antitumor agents. Part 186: Synthesis and biological evaluation of demethylcolchiceinamide analogues as cytotoxic DNA topoisomerase II inhibitors

Guan, Jian,Zhu, Xiao-Kang,Tachibana, Yoko,Bastow, Kenneth F.,Brossi, Arnold,Hamel, Ernest,Lee, Kuo-Hsiung

, p. 2127 - 2131 (1998)

Demethylation of colchiceinamide (2) and its analogues (3-10) afforded a novel class of mammalian DNA topoisomerase II inhibitors (2a-10a) without displaying tubulin inhibitory activity. All target compounds inhibited the catalytic activity of topoisomera

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