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127766-76-1

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127766-76-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127766-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,6 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 127766-76:
(8*1)+(7*2)+(6*7)+(5*7)+(4*6)+(3*6)+(2*7)+(1*6)=161
161 % 10 = 1
So 127766-76-1 is a valid CAS Registry Number.

127766-76-1Relevant articles and documents

Economical and Readily Accessible Preparation of o,o-Disubstituted Arylboronates through Palladium-Catalyzed Borylation of Haloarenes

Kuwano, Ryoichi,Lee, Eunhyung,Won, Sungyong

supporting information, p. 9649 - 9653 (2021/12/17)

Miyaura borylation, that is, palladium-catalyzed cross-coupling between bromoarenes and diboron, offers a versatile method for preparing arylboronates; however, a costly and inaccessible catalyst has been required for synthesizing highly congested arylboronates with the method. Here the Pd(OAc)2–tri(4-methoxyphenyl)phosphine catalyst was found to work as an efficient catalyst for the sterically demanding borylation. A broad range of o,o-disubstituted bromoarenes were converted into the corresponding arylboronates in high yields by using the palladium catalyst with Cs2CO3 in EtOAc at 80 °C.

An Improved Preparation of 7-Hydroxyindan-1-ones

Muckensturm, Bernard,Diyani, Fouzia

, p. 2544 - 2556 (2007/10/03)

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