1311993-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1311993-91-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,1,9,9 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1311993-91:
(9*1)+(8*3)+(7*1)+(6*1)+(5*9)+(4*9)+(3*3)+(2*9)+(1*1)=155
155 % 10 = 5
So 1311993-91-5 is a valid CAS Registry Number.
1311993-91-5Relevant academic research and scientific papers
Synthesis and characterization of novel N-acyl cyclic urea derivatives
Yang, Tingting,Gao, Guohua
experimental part, p. 304 - 316 (2012/06/29)
A series of novel N-acyl cyclic urea derivatives (3a-3l) have been synthesized by the reactions of 1-((6-chloropyridin-3-yl)methyl)imidazolidin-2- one (1) with various acyl chlorides in the yields of 35-95%. Subsequently, N-acyl cyclic urea derivatives co
