78261-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78261-81-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,6 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78261-81:
(7*7)+(6*8)+(5*2)+(4*6)+(3*1)+(2*8)+(1*1)=151
151 % 10 = 1
So 78261-81-1 is a valid CAS Registry Number.
78261-81-1Relevant articles and documents
An annulation reaction to naphthalene-1,4-diols using dimethyl phthalide-3-phosphonates
Watanabe,Morimoto,Nogami,Ijichi,Furukawa
, p. 968 - 970 (2007/10/02)
A regioselective annulation to naphthalene ring systems from dimethyl phthalide-3-phosphonates and electron-deficient olefins is described.
