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1,9-diphenylnona-1,8-diyne is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

49769-19-9

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49769-19-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 49769-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,7,6 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 49769-19:
(7*4)+(6*9)+(5*7)+(4*6)+(3*9)+(2*1)+(1*9)=179
179 % 10 = 9
So 49769-19-9 is a valid CAS Registry Number.

49769-19-9Relevant academic research and scientific papers

Negishi's Reagent Versus Rosenthal's Reagent in the Formation of Zirconacyclopentadienes

Urrego-Riveros, Sara,Ramirez y Medina, Isabel-Maria,Duvinage, Daniel,Lork, Enno,S?nnichsen, Frank D.,Staubitz, Anne

, p. 13318 - 13328 (2019)

Zirconacyclopentadienes are versatile precursors for a large number of heteroles, which are accessible by Zr-element exchange reactions. The vast majority of reports describe their preparation by the use of Negishi′s reagent, which is a species that is fo

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