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4-nitro-N-(pyridin-2-yl)benzimidamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

857581-46-5

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857581-46-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857581-46-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,8 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 857581-46:
(8*8)+(7*5)+(6*7)+(5*5)+(4*8)+(3*1)+(2*4)+(1*6)=215
215 % 10 = 5
So 857581-46-5 is a valid CAS Registry Number.

857581-46-5Downstream Products

857581-46-5Relevant academic research and scientific papers

PhI(OCOCF3)2-mediated intramolecular oxidative N-N bond formation: Metal-free synthesis of 1,2,4-triazolo[1,5-a]pyridines

Zheng, Zisheng,Ma, Shuangyu,Tang, Linlin,Zhang-Negrerie, Daisy,Du, Yunfei,Zhao, Kang

, p. 4687 - 4693 (2014)

The biologically important 1,2,4-triazolo[1,5-a]pyridines were readily synthesized from N-(pyridin-2-yl)benzimidamides via phenyliodine bis(trifluoroacetate)-mediated intramolecular annulation. This novel strategy allows for the convenient construction of a 1,2,4-triazolo[1,5-a]pyridine skeleton through direct metal-free oxidative N-N bond formation, featuring a short reaction time and high reaction yields.

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