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631090-57-8

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631090-57-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 631090-57-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,1,0,9 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 631090-57:
(8*6)+(7*3)+(6*1)+(5*0)+(4*9)+(3*0)+(2*5)+(1*7)=128
128 % 10 = 8
So 631090-57-8 is a valid CAS Registry Number.

631090-57-8Downstream Products

631090-57-8Relevant articles and documents

Synthesis and cytotoxicity of novel 20-O-linked homocamptothecin ester derivatives as potent topoisomerase I inhibitors

Li, Di-Zao,Wang, Cun-Ying,Liu, Rui-Hua,Wang, Yan-Ming,Ji, Teng-Fei,Li, Yu-Rong,Pan, Xian-Dao

, p. 1179 - 1188 (2014/01/06)

In an attempt to improve the antitumor activity of homocamptothecins (hCPTs), a series of novel 20-O-linked hCPT ester derivatives were first designed and synthesized based on a synthetic route, by which hCPTs are acylated with different substituted pheno

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