201335-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201335-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,3,3 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 201335-63:
(8*2)+(7*0)+(6*1)+(5*3)+(4*3)+(3*5)+(2*6)+(1*3)=79
79 % 10 = 9
So 201335-63-9 is a valid CAS Registry Number.
201335-63-9Relevant academic research and scientific papers
Synthesis of 5,7-diaryl piperidino[3,4-d]selena/thiadiazoles
Reddy, D. Bhaskar,Reddy, A. Soma Sekhar,Padmavathi
, p. 143 - 150 (2007/10/03)
The title compounds 5,7-diaryl piperidino[3,4-d]selenadiazoles (III) & 5,7-diaryl piperidino[3,4-d]thiadiazoles (IV) have been prepared by the cyclization of semicarbazone derivatives of 4-piperidones (II) with selenium dioxide and thionyl chloride, respe
