103248-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103248-19-7 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 9 respectively.
Calculate Digit Verification of CAS Registry Number 103248-19:
(8*1)+(7*0)+(6*3)+(5*2)+(4*4)+(3*8)+(2*1)+(1*9)=87
87 % 10 = 7
So 103248-19-7 is a valid CAS Registry Number.
InChI:InChI=1/C12H14N4O3/c17-16(18)10-1-2-11-12(7-10)15(8-13-11)9-14-3-5-19-6-4-14/h1-2,7-8H,3-6,9H2
103248-19-7Relevant 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