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1638287-10-1

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1638287-10-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1638287-10-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,8,2,8 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1638287-10:
(9*1)+(8*6)+(7*3)+(6*8)+(5*2)+(4*8)+(3*7)+(2*1)+(1*0)=191
191 % 10 = 1
So 1638287-10-1 is a valid CAS Registry Number.

1638287-10-1Relevant articles and documents

Room-temperature ortho-alkoxylation and -halogenation of N-tosylbenzamides by using palladium(II)-catalyzed C-H activation

Peron, Florent,Fossey, Christine,Sopkova-Deoliveirasantos, Jana,Cailly, Thomas,Fabis, Frederic

supporting information, p. 7507 - 7513 (2014/06/23)

The N-tosylcarboxamide group can direct the room-temperature palladium-catalyzed C-H alkoxylation and halogenation of substituted arenes in a simple and mild procedure. The room-temperature stoichiometric cyclopalladation of N-tosylbenzamide was first studied, and the ability of the palladacycle to react with oxidants to form C-X and C-O bonds under mild conditions was demonstrated. The reaction conditions were then adapted to promote room-temperature ortho-alkoxylations and ortho-halogenations of N-tosylbenzamides using palladium as catalyst. The scope and limitation of both alkoxylations and halogenations was studied and the subsequent functional transformation of the N-tosylcarboxamide group through nucleophilic additions was evaluated. This methodology offers a simple and mild route to diversely functionalized arenes.

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