131393-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131393-65-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,3,9 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 131393-65:
(8*1)+(7*3)+(6*1)+(5*3)+(4*9)+(3*3)+(2*6)+(1*5)=112
112 % 10 = 2
So 131393-65-2 is a valid CAS Registry Number.
131393-65-2Relevant articles and documents
REACTIONS OF α-NITROALDAZINES WITH NUCLEOPHILIC REAGENTS
Nekrasova, G. V.,Lyamina, T. N.,Lipina, E. S.,Berkova, G. A.,Paperno, T. Ya.,et al.
, p. 794 - 797 (2007/10/02)
The reactions of the previously unknown α-nitroazines of aromatic aldehydes with aniline and sodium azide lead to derivatives of 1,2,4-triazole and tetrazole as a result of successive substitution of the nitro group and heterocyclization.