763138-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 763138-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,3,1,3 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 763138-80:
(8*7)+(7*6)+(6*3)+(5*1)+(4*3)+(3*8)+(2*8)+(1*0)=173
173 % 10 = 3
So 763138-80-3 is a valid CAS Registry Number.
763138-80-3Relevant articles and documents
Oligomerization of N-tosylindole with aluminum chloride
Fujino, Kazutaka,Yanase, Emiko,Shinoda, Yoshihiko,Nakatsuka, Shin-Ichi
, p. 764 - 766 (2004)
The reactivity of N-tosylindole (4) in the presence of aluminum chloride was studied, and two types of oligomerization of 4 were observed. One type was condensation between both pyrrole parts (dimers 5 and 6 and trimer 7) and the other was between a pyrro