68726-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68726-79-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,7,2 and 6 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68726-79:
(7*6)+(6*8)+(5*7)+(4*2)+(3*6)+(2*7)+(1*9)=174
174 % 10 = 4
So 68726-79-4 is a valid CAS Registry Number.
68726-79-4Relevant articles and documents
An annulation reaction to naphthalene-1,4-diols using dimethyl phthalide-3-phosphonates
Watanabe,Morimoto,Nogami,Ijichi,Furukawa
, p. 968 - 970 (1993)
A regioselective annulation to naphthalene ring systems from dimethyl phthalide-3-phosphonates and electron-deficient olefins is described.
