108958-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108958-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,5 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 108958-67:
(8*1)+(7*0)+(6*8)+(5*9)+(4*5)+(3*8)+(2*6)+(1*7)=164
164 % 10 = 4
So 108958-67-4 is a valid CAS Registry Number.
108958-67-4Relevant articles and documents
NAPHTHYRIDES IN HETARYLATION REACTIONS
Sheinkman, A. K.,Nezdiiminoga, T. N.,Chmilenko, T. S.,Klyuev, N. A.
, p. 986 - 990 (1986)
The reaction of indole (2-methylindole) with 1,5-, 1,6-, and 1,8-naphthyridines at 20 deg C, in the presence of benzoyl chloride, leads to the preferential formation of dihydro structures with one indolyl substituent at the α-position to the hetero atom.W