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1263313-63-8

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1263313-63-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1263313-63-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,3,3,1 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1263313-63:
(9*1)+(8*2)+(7*6)+(6*3)+(5*3)+(4*1)+(3*3)+(2*6)+(1*3)=128
128 % 10 = 8
So 1263313-63-8 is a valid CAS Registry Number.

1263313-63-8Relevant articles and documents

Palladium-catalyzed intermolecular directed C-H amidation of aromatic ketones

Xiao, Bin,Gong, Tian-Jun,Xu, Jun,Liu, Zhao-Jing,Liu, Lei

supporting information; experimental part, p. 1466 - 1474 (2011/04/16)

Pd-catalyzed directed ortho C-H amidation of aromatic ketones with both sulfonamides and amides has been accomplished. The use of an electron-deficient Pd complex, Pd(OTf)2, is crucial for the success of this transformation. Some key intermediates of the reaction, that is, the cyclopalladation complexes of ketones, have been characterized by X-ray crystallography. Experimental analysis of these palladacycles and also the experimental results with N-methyl sulfonamides indicate that the new reaction does not seem to proceed through a nitrene intermediate. The utility of the newly developed reaction was demonstrated for the synthesis of useful organic intermediates such as 2- and 3-alkyl indoles and 2-aminophenyl ketones.

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