878396-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 878396-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,8,3,9 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 878396-20:
(8*8)+(7*7)+(6*8)+(5*3)+(4*9)+(3*6)+(2*2)+(1*0)=234
234 % 10 = 4
So 878396-20-4 is a valid CAS Registry Number.
878396-20-4Relevant articles and documents
Thermal oxidation of tetracyclones (2,3,4,5-tetraarylcyclopentadienones)
Thiemann, Thies,Iniesta, Jesus,Walton, David J.
scheme or table, p. 173 - 180 (2009/05/07)
Tetracyclones are transformed to a mixture of diacylstilbenes and a-pyrones, when they are heated in diphenylether saturated with oxygen.