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203512-55-4

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203512-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203512-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,5,1 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 203512-55:
(8*2)+(7*0)+(6*3)+(5*5)+(4*1)+(3*2)+(2*5)+(1*5)=84
84 % 10 = 4
So 203512-55-4 is a valid CAS Registry Number.

203512-55-4Relevant articles and documents

Sequential C-H activation enabled expedient delivery of polyfunctional arenes

Cai, Xiaoqing,Chen, Qian,Chen, Xiaojian,Gao, Yang,Huo, Yanping,Li, Xianwei,Ouyang, Wensen,Rao, Jianhang,Wang, Jie

, p. 8075 - 8078 (2021)

Modular construction of polyfunctional arenes from abundant feedstocks stands as an unremitting pursue in synthetic chemistry, accelerating the discovery of drugs and materials. Herein, using the multiple C-H activation strategy with versatile imidate esters, the expedient delivery of molecular libraries of densely functionalized sulfur-containing arenes was achieved, which enabled the concise construction of biologically active molecules, such as Bipenamol.

A convenient reduction of highly functionalized aromatic carboxylic acids to alcohols with borane-THF and boron trifluoride-etherate

Chen,Iakovleva,Kesten,Magano,Rodriguez,Sexton,Zhang,Lee

, p. 665 - 670 (2007/10/03)

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