120209-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120209-26-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,2,0 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 120209-26:
(8*1)+(7*2)+(6*0)+(5*2)+(4*0)+(3*9)+(2*2)+(1*6)=69
69 % 10 = 9
So 120209-26-9 is a valid CAS Registry Number.
120209-26-9Relevant articles and documents
NITRATION DE BENZIMIDAZOLES SUBSTITUES
Benchidmi, M.,Kihel, A. El,Essassi, E. M.,Knouzi, N.,Toupet, L.,et al.
, p. 605 - 612 (2007/10/02)
The mononitration of some 2-Alkyl-5(6)chloro-(or methyl-)benzimidazoles was carried out because the chemical literature results were ambiguous.Our work has shown that the nitro group was introduced in 6 (or 5) position.