173909-87-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173909-87-0 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 173909-87:
(8*1)+(7*7)+(6*3)+(5*9)+(4*0)+(3*9)+(2*8)+(1*7)=170
170 % 10 = 0
So 173909-87-0 is a valid CAS Registry Number.
173909-87-0Relevant 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 (1995)
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.
