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205439-77-6

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205439-77-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205439-77-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,4,3 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 205439-77:
(8*2)+(7*0)+(6*5)+(5*4)+(4*3)+(3*9)+(2*7)+(1*7)=126
126 % 10 = 6
So 205439-77-6 is a valid CAS Registry Number.

205439-77-6Downstream Products

205439-77-6Relevant articles and documents

The extraordinary reactions of phenyldimethylsilyllithium with N,N-disubstituted amides

Buswell, Marina,Fleming, Ian,Ghosh, Usha,Mack, Stephen,Russell, Matthew,Clark, Barry P.

, p. 3006 - 3017 (2007/10/03)

The reactions of the silyllithium reagent with tertiary amides was discussed. The enediamines were easily isomerized from cis to trans, easily oxidized to dienediamines and were hydrolyzed to α-aminoketones. If the two equivalents of the silyllithium reagent were used, the product was an α-silylamine. The results show that each member of the homologous series of amides gives rise to a substantially different product.

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