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78956-18-0

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78956-18-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78956-18-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,5 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78956-18:
(7*7)+(6*8)+(5*9)+(4*5)+(3*6)+(2*1)+(1*8)=190
190 % 10 = 0
So 78956-18-0 is a valid CAS Registry Number.

78956-18-0Relevant articles and documents

Enhancing Ligand-Free Fe-Catalyzed Aminocarbonylation of Alkynes by ZrF4

Huang, Zijun,Dong, Yanan,Li, Yudong,Makha, Mohamed,Li, Yuehui

, p. 5236 - 5240 (2019/09/03)

Zirconium fluoride was utilized to promote efficiently iron-catalyzed aminocarbonylation between alkynes and amines without the use of extra ligands. In particular, this new system is applicable to a wide range of amine and alkyne substrates affording α,β-unsaturated amides in good to excellent yields. Preliminary mechanistic studies reveal the activation model involving interactions of ZF4 with both iron catalyst and amine substrates.

On the Reaction of Diphenylcyclopropenone, its Functional Derivatives and Imonium Salts with Amines

Eicher, Theophil,Boehm, Siegfried,Ehrhardt, Heinz,Harth, Robert,Lerch, Dieter

, p. 765 - 788 (2007/10/02)

The reactions of cyclopropenones 1, 2, cyclopropenone imines 3 and cyclopropenone imonium cations 5 with amines of different type are investigated and the structure of the products obtained is elucidated by means of spectral data and chemical behavior.The possible reaction modes and mechanisms are discussed.

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