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.
