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774219-27-1

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774219-27-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 774219-27-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,4,2,1 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 774219-27:
(8*7)+(7*7)+(6*4)+(5*2)+(4*1)+(3*9)+(2*2)+(1*7)=181
181 % 10 = 1
So 774219-27-1 is a valid CAS Registry Number.

774219-27-1Relevant articles and documents

Cyclization of acetylenic amides using a cationic rhodium(I) complex

Burling, Suzanne,Field, Leslie D.,Li, Hsiu L.,Messerle, Barbara A.,Shasha, Adelle

, p. 677 - 680 (2007/10/03)

The cationic Rh(I) dicarbonyl complex [{Rh(bim)(CO)2} +BPh4-] 1, containing a bidentate bisimidazolylmethane ligand [bim refers to bis(N-methylimidazol-2-yl)methane] acts as a catalyst for the cyclization of alkynyl amides to produce lactams and N-acyl heterocyclic compounds.

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