109531-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109531-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,3 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109531-89:
(8*1)+(7*0)+(6*9)+(5*5)+(4*3)+(3*1)+(2*8)+(1*9)=127
127 % 10 = 7
So 109531-89-7 is a valid CAS Registry Number.
109531-89-7Relevant academic research and scientific papers
Extremely Reactive C=C Double Bonds, V. - 2--1,3-diphenylimidazolidine, a Tetraaminoethylene of a New Type
Schoenberg, Alexander,Singer, Erich,Stephan, Werner
, p. 1589 - 1592 (2007/10/02)
The synthesis of the title compound 3 by two different routes and some reactions are described.The mechanisms of formation are discussed.