91880-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91880-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,8 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91880-20:
(7*9)+(6*1)+(5*8)+(4*8)+(3*0)+(2*2)+(1*0)=145
145 % 10 = 5
So 91880-20-5 is a valid CAS Registry Number.
91880-20-5Relevant academic research and scientific papers
Hamann, P. R.,Toth, J. E.,Fuchs, P. L.
, p. 3865 - 3867 (1984)
The title process can successfully be used to construct polycyclic ring systems.
