25716-03-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25716-03-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,7,1 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 25716-03:
(7*2)+(6*5)+(5*7)+(4*1)+(3*6)+(2*0)+(1*3)=104
104 % 10 = 4
So 25716-03-4 is a valid CAS Registry Number.
25716-03-4Relevant academic research and scientific papers
Jedrzejas,Rubin,Baker,Masnovi,Towns
, p. 2936 - 2939 (1996)
The title compound, C29H22O3, was prepared by the oxidation of tetraphenylcyclopentadienone with tetra-nitromethane. The cyclopentenone ring has a C5-envelope conformation, with an elongated Csp(3)-Csp(3)/