227018-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227018-69-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,0,1 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 227018-69:
(8*2)+(7*2)+(6*7)+(5*0)+(4*1)+(3*8)+(2*6)+(1*9)=121
121 % 10 = 1
So 227018-69-1 is a valid CAS Registry Number.
227018-69-1Relevant academic research and scientific papers
N-(4-methylbenzenesulfonyl)- pyrrolidines and piperidines by a tandem S(N)2-Michael addition reaction
Bunce, Richard A.,Allison, Jeffrey C.
, p. 2175 - 2186 (2007/10/03)
A tandem S(N)2-Michael addition sequence has been developed for the preparation of N-(4-methylbenzenesulfonyl)- pyrrolidines and piperidines bearing functionalized side chains at C-2.
