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478040-42-5

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478040-42-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 478040-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,8,0,4 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 478040-42:
(8*4)+(7*7)+(6*8)+(5*0)+(4*4)+(3*0)+(2*4)+(1*2)=155
155 % 10 = 5
So 478040-42-5 is a valid CAS Registry Number.

478040-42-5Downstream Products

478040-42-5Relevant articles and documents

Convenient synthesis of alkenyl-, alkynyl-, and allenyl-substituted imidazo[1,2-a]pyridines via palladium-catalyzed cross-coupling reactions

Enguehard-Gueiffier, Cecile,Croix, Cecile,Hervet, Maud,Kazock, Jean-Yves,Gueiffier, Alain,Abarbri, Mohamed

, p. 2349 - 2367 (2007)

A systematic study on the Stille and Sonogashira cross-coupling of iodinated imidazo[1,2-a]pyridines was performed, permitting the preparation of various vinyl-, ethynyl-, and allenyl-substituted derivatives. These methods are particularly valuable, given their experimental simplicity and high degree of flexibility with regard to functional groups that can be introduced in positions 3, 6, or 8 of the imidazo[1,2-a]-pyridine core. Effects concerning different substitution positions and the nature of the 2-substituent under various reaction conditions are reported in detail for the above types of unsaturated groups introduced.

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