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1256278-62-2

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1256278-62-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256278-62-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,2,7 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1256278-62:
(9*1)+(8*2)+(7*5)+(6*6)+(5*2)+(4*7)+(3*8)+(2*6)+(1*2)=172
172 % 10 = 2
So 1256278-62-2 is a valid CAS Registry Number.

1256278-62-2Relevant articles and documents

Cross-Electrophile Coupling between Aryl/Vinyl Triflates and Vinyl Tosylates for the Synthesis of gem-Difluoroalkenes via Ni/Pd Cooperative Catalysis

Xiong, Baojian,Li, Yue,Zhang, Jinyu,Liu, Jiangjun,Zhang, Xuemei,Lian, Zhong

, p. 1009 - 1015 (2022/02/07)

A dual nickel-/palladium-catalyzed direct gem-difluorovinylation of readily available aryl/vinyl triflates with substituted gem-difluorovinyl tosylates is presented. This protocol affords various diaryldifluoroalkene, arylalkyldifluoroalkene and 1,1-diflu

Consecutive cross-coupling reactions of 2,2-difluoro-1-iodoethenyl tosylate with boronic acids: Efficient synthesis of 1,1-diaryl-2,2-difluoroethenes

Kim, Ju Hee,Choi, Su Jeong,Jeong, In Howa

supporting information, p. 2470 - 2475 (2014/01/06)

The cross-coupling reactions of 2,2-difluoro-1-iodoethenyl tosylate (2) with 2 equiv of boronic acids in the presence of catalytic amounts of Pd(OAc)2 and Na2CO3 afforded the mono-coupled products 3 and 5 in high yields. The use of 4 equiv of boronic acid

Monofluorovinyl tosylate: A useful building block for the synthesis of terminal vinyl monofluorides via suzuki-Miyaura coupling

Zhang, He,Zhou, Chang-Bing,Chen, Qing-Yun,Xiao, Ji-Chang,Hong, Ran

supporting information; experimental part, p. 560 - 563 (2011/04/23)

Monofluorovinyl tosylate was developed as a practical vinyl fluoride building block to couple with a variety of arylboronic acids in the presence of a palladium catalyst. The high stereoselectivity of 2-aryl-1-fluoroethene derivatives was achieved. This a

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