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856976-40-4

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856976-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 856976-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,9,7 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 856976-40:
(8*8)+(7*5)+(6*6)+(5*9)+(4*7)+(3*6)+(2*4)+(1*0)=234
234 % 10 = 4
So 856976-40-4 is a valid CAS Registry Number.

856976-40-4Relevant articles and documents

A urea compound, preparation method thereof, wherein the intermediate and its application

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, (2016/10/10)

Disclosed are urea compounds represented by formula I or pharmaceutically acceptable salts, polymorphic forms, solvates or stereoisomers thereof; as well as preparation methods, intermediates and uses thereof. The urea compounds according to the present invention show various degrees of inhibitory activity against a variety of protein kinases in biological tests, and showed various degrees of activity against tumor cell growth and against angiogenesis in in vitro tests on resistance to the proliferation of human tumor cell line and human umbilical vein endothelial cells (HUVECs) respectively, and also exhibit good antitumor activity in vivo in animals.

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