87786-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87786-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,8 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87786-72:
(7*8)+(6*7)+(5*7)+(4*8)+(3*6)+(2*7)+(1*2)=199
199 % 10 = 9
So 87786-72-9 is a valid CAS Registry Number.
87786-72-9Relevant articles and documents
N-AROYLDICHLOROSELENIMIDES
Derkach, N. Ya.,Krasnyanskaya, T. V.,Levchenko, E. S.,Zabolotnaya, T. G.
, p. 2167 - 2171 (2007/10/02)
N-Aroyldichloroselenimides were obtained in the reaction of selenium with N,N-dichloroaroylamines.The products react with olefins by a mechanism of the -cycloaddition type with the formation of substituted 4,4-dichloro-5,6-dihydro-4,1,3-selenaoxazines.