557104-69-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 557104-69-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,7,1,0 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 557104-69:
(8*5)+(7*5)+(6*7)+(5*1)+(4*0)+(3*4)+(2*6)+(1*9)=155
155 % 10 = 5
So 557104-69-5 is a valid CAS Registry Number.
557104-69-5Relevant articles and documents
Selective reduction of aromatic nitro compounds to azoxy compounds with zinc/aluminium chloride reagent
Dutta, Dilip Kumar
, p. 672 - 673 (2007/10/03)
Aromatic azoxy compounds have been prepared in good yields by the selective reduction of aromatic nitro compounds with Zn/AlCl3 reagent.