103248-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103248-24-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,4 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 103248-24:
(8*1)+(7*0)+(6*3)+(5*2)+(4*4)+(3*8)+(2*2)+(1*4)=84
84 % 10 = 4
So 103248-24-4 is a valid CAS Registry Number.
InChI:InChI=1/C15H14N4O3/c1-22-13-5-2-11(3-6-13)16-9-18-10-17-14-7-4-12(19(20)21)8-15(14)18/h2-8,10,16H,9H2,1H3
103248-24-4Relevant articles and documents
Mannich Reaction on Benzimidazoles: Part II - Synthesis and Biological Activities of Some New 1-(N-Substituted aminomethyl)-6-nitrobenzimidazoles
Kumar, B. Vijaya,Rao, A. Bhaskar,Reddy, V. Malla
, p. 889 - 892 (2007/10/02)
5(6)-Nitrobenzimidazole has been subjected to the Mannich reaction using formaldehyde and various secondary bases/aromatic primary amines.The products have been characterised as 1-aminomethyl-6-nitrobenzimidazoles (IV) by their analytical and spectral dat