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15776-99-5

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15776-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15776-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,7,7 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15776-99:
(7*1)+(6*5)+(5*7)+(4*7)+(3*6)+(2*9)+(1*9)=145
145 % 10 = 5
So 15776-99-5 is a valid CAS Registry Number.

15776-99-5Relevant articles and documents

Selective C-H trifluoromethylation of benzimidazoles through photoredox catalysis

Gao, Guo-Lin,Yang, Chao,Xia, Wujiong

, p. 1041 - 1044 (2017)

The protocol presented here is a new strategy for visible light induced C-H trifluoromethylation at C4 of benzimidazoles using Togni's reagent in the presence of fac-Ir(ppy)3. Its advantages are its operational simplicity, mild reaction conditions, low catalyst loading and wide substrate scope in which electron-withdrawing, electron-donating groups and different protecting groups are tolerated.

Cu-Catalyzed Regioselective C-H Alkylation of Benzimidazoles with Aromatic Alkenes

He, Yu-Ting,Mao, Yang-Jie,Hao, Hong-Yan,Xu, Zhen-Yuan,Lou, Shao-Jie,Xu, Dan-Qian

supporting information, p. 8250 - 8255 (2020/11/18)

Herein we report a novel Cu-catalyzed regioselective C2-H alkylation of benzimidazoles with aromatic alkenes. The reaction features exclusive regioselectivity and broad substrate scope in the intermolecular alkylation of benzimidazoles with terminal and i

SYNTHESIS OF ONCOLYTIC ANALOGS OF 1,2-DIMETHYL-4,5-DIAMINOBENZENE.

WOOLLEY,STEWART

, p. 599 - 601 (2007/10/09)

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