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477498-68-3

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477498-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 477498-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,7,4,9 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 477498-68:
(8*4)+(7*7)+(6*7)+(5*4)+(4*9)+(3*8)+(2*6)+(1*8)=223
223 % 10 = 3
So 477498-68-3 is a valid CAS Registry Number.

477498-68-3Downstream Products

477498-68-3Relevant articles and documents

One-pot tandem synthesis of 2-arylbenzoxazole derivatives via copper-catalyzed C-N and C-O bond formation

Kavala, Veerababurao,Janreddy, Donala,Raihan, Mustafa J.,Kuo, Chun-Wei,Ramesh, Chintakunta,Yao, Ching-Fa

, p. 2229 - 2240 (2012/11/07)

The reaction of 2-(2-halophenyl)halobenzamides with a series of nitrogen nucleophiles resulted in the formation of benzoxazole derivatives. This procedure involves copper-catalyzed one-pot tandem C-N/C-O coupling reactions. No ligand was used in the reaction, even in the cases of primary or secondary amides, which were used as N-nucleophiles. However, L-proline was used as ligand in the case of N-aromatic heterocycles like indole, imidazole and pyrazole derivatives. Copyright

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