349090-50-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 349090-50-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,9,0,9 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 349090-50:
(8*3)+(7*4)+(6*9)+(5*0)+(4*9)+(3*0)+(2*5)+(1*0)=152
152 % 10 = 2
So 349090-50-2 is a valid CAS Registry Number.
349090-50-2Relevant articles and documents
Base-free monosulfonylation of amines using tosyl or mesyl chloride in water
Kamal, Ahmed,Reddy, J. Surendranadha,Bharathi, E. Vijaya,Dastagiri
, p. 348 - 353 (2008/09/17)
A mild and efficient procedure has been developed for the monosulfonylation of various amines using mesyl or tosyl chlorides in water at room temperature to afford the corresponding sulfonamides in high yields.
