173909-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173909-83-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,9,0 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 173909-83:
(8*1)+(7*7)+(6*3)+(5*9)+(4*0)+(3*9)+(2*8)+(1*3)=166
166 % 10 = 6
So 173909-83-6 is a valid CAS Registry Number.
173909-83-6Relevant articles and documents
Synthesis and reactions of 5-benzylidene-2-phenyl-4,5-dihydro-1,3-oxazol-4-ones
Laxmi, Yennu Santosh,Iyengar, Divi Sarangapani
, p. 3043 - 3046 (2007/10/03)
5-Benzylidene-2-phenyl-4,5-dihydro-1,3-oxazol-4-one was prepared by the cyclization of N-benzoyl-2-bromo-3-phenylpropenamide in the presence of sodium hydride.