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1253967-21-3

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1253967-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1253967-21-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,9,6 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1253967-21:
(9*1)+(8*2)+(7*5)+(6*3)+(5*9)+(4*6)+(3*7)+(2*2)+(1*1)=173
173 % 10 = 3
So 1253967-21-3 is a valid CAS Registry Number.

1253967-21-3Downstream Products

1253967-21-3Relevant articles and documents

Aversatile palladium/triphosphane system for direct arylation of heteroarenes with chloroarenes at low catalyst loading

Roy, David,Mom, Sophal,Beauperin, Matthieu,Doucet, Henri,Hierso, Jean-Cyrille

supporting information; experimental part, p. 6650 - 6654 (2010/12/25)

Put a ring on it: The use of an air-stable, robust palladium/tridentate phosphane catalyst in direct C-H and C-Cl activation reactions is reported (see scheme; DMAc=N,N-dimethylacetamide, TBAB=tetra-n-butylammonium bromide). Electron-rich, electron-poor, and polysubstituted furans (X=O), thiophenes (X=S), pyrroles (X=NR5), and thiazoles were arylated with chloroarenes in the presence of the catalyst.

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