103248-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103248-18-6 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, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103248-18:
(8*1)+(7*0)+(6*3)+(5*2)+(4*4)+(3*8)+(2*1)+(1*8)=86
86 % 10 = 6
So 103248-18-6 is a valid CAS Registry Number.
InChI:InChI=1/C13H16N4O2/c18-17(19)11-4-5-12-13(8-11)16(9-14-12)10-15-6-2-1-3-7-15/h4-5,8-9H,1-3,6-7,10H2
103248-18-6Relevant 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