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54143-11-2

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54143-11-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54143-11-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,4 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54143-11:
(7*5)+(6*4)+(5*1)+(4*4)+(3*3)+(2*1)+(1*1)=92
92 % 10 = 2
So 54143-11-2 is a valid CAS Registry Number.

54143-11-2Relevant articles and documents

Mechanism-Based Design of an Amide-Directed Ni-Catalyzed Arylboration of Cyclopentene Derivatives

Lambright, Alison L.,Liu, Yanyao,Joyner, Isaac A.,Logan, Kaitlyn M.,Brown, M. Kevin

, p. 612 - 616 (2021/01/26)

A method for amide-directed Ni-catalyzed diastereoselective arylboration of cyclopentenes is disclosed. The reaction allows for the synthesis of sterically congested cyclopentane scaffolds that contain an easily derivatized boronic ester and amide functional handles. The nature of the amide directing group and its influence on the reaction outcome are investigated and ultimately reflect a predictably selective reaction based on the solvent and base counterion.

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