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N,N-dibenzyl-4-[3-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1342899-83-5

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1342899-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1342899-83-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,2,8,9 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1342899-83:
(9*1)+(8*3)+(7*4)+(6*2)+(5*8)+(4*9)+(3*9)+(2*8)+(1*3)=195
195 % 10 = 5
So 1342899-83-5 is a valid CAS Registry Number.

1342899-83-5Relevant articles and documents

A novel three-step synthesis of Celecoxib via palladium-catalyzed direct arylation

Gaulier, Steven M.,McKay, Reuben,Swain, Nigel A.

, p. 6000 - 6002 (2011)

A novel three linear step synthesis of Celecoxib was achieved in 33% overall yield via a key regioselective direct C-H arylation reaction between a 1,3-disubstituted pyrazole and an aryl bromide.

Efficient copper-catalyzed cross-coupling of nitrogen nucleophiles with N,N-dibenzyl-4-iodobenzenesulfonamide and its application in the synthesis of Celecoxib intermediate

Yong, Fui-Fong,Azri, Miskal,Darrell Lim, Yong-En,Teo, Yong-Chua

, (2020/11/02)

A practical and efficient strategy has been developed for the cross-coupling of N,N-dibenzyl-4-iodobenzenesulfonamide with nitrogen nucleophiles using 0.5–20 mol% of CuI under ligand-free conditions. A variety of nitrogen nucleophiles including nitrogen h

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