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1334740-34-9

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1334740-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1334740-34-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,7,4 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1334740-34:
(9*1)+(8*3)+(7*3)+(6*4)+(5*7)+(4*4)+(3*0)+(2*3)+(1*4)=139
139 % 10 = 9
So 1334740-34-9 is a valid CAS Registry Number.

1334740-34-9Relevant articles and documents

Design, synthesis and anti-proliferative effects in tumor cells of new combretastatin A-4 analogs

Zhao, Lei,Zhou, Jiu-Jiu,Huang, Xin-Ying,Cheng, Li-Ping,Pang, Wan,Kai, Zhen-Peng,Wu, Fan-Hong

, p. 993 - 999 (2015/08/19)

Abstract A total of 11 novel combretastatin A-4 (CA-4) analogs were designed, synthesized, and evaluated for the anti-proliferative effects in tumor cells. The compounds represent four structural classes: (i) hydrogenated derivatives, (ii) ethoxyl derivatives, (iii) amino derivatives and (iv) pro-drugs. Biological evaluations demonstrate that multiple structural features control the biological potency. Three of the compounds, sit-1, sit-2 and sit-3, have potent anti-proliferative activity against multiple cancer cell lines. Their pro-drugs were synthesized to increase water solubility. Structure-activity relationship study and Surflex-Docking were studied in this paper. These results will be useful for the design of new CA-4 analogs that are structurally related to the SAR study.

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