91180-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91180-81-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,8 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91180-81:
(7*9)+(6*1)+(5*1)+(4*8)+(3*0)+(2*8)+(1*1)=123
123 % 10 = 3
So 91180-81-3 is a valid CAS Registry Number.
91180-81-3Relevant articles and documents
Cyclic ureas as ortho directing substituents
Meigh,Alvarez,Joule
, p. 2012 - 2021 (2007/10/03)
Six-membered cyclic ureas are shown to have a weak ortho directing ability when linked through nitrogen to benzene and pyridine rings.
