109178-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109178-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,1,7 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109178-74:
(8*1)+(7*0)+(6*9)+(5*1)+(4*7)+(3*8)+(2*7)+(1*4)=137
137 % 10 = 7
So 109178-74-7 is a valid CAS Registry Number.
109178-74-7Relevant academic research and scientific papers
Molina, P.,Alajarin, M.,Ferao, A.
, p. 843 - 845 (1986)
A number of 3,5-disubstituted-1,2,4-oxadiazoles have been prepared by intramolecular aza-Wittig condensation of iminophosphorane derivatives 3.