117784-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117784-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,8 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 117784-32:
(8*1)+(7*1)+(6*7)+(5*7)+(4*8)+(3*4)+(2*3)+(1*2)=144
144 % 10 = 4
So 117784-32-4 is a valid CAS Registry Number.
117784-32-4Relevant academic research and scientific papers
Basha, Anwer
, p. 2525 - 2526 (1988)
A simple synthesis of N,N'-disubstituted ureas from carbamates is described involving displacement of an alkoxy group by the magnesium salt of an amine generated in situ by treatment with ethylmagnesium bromide.
