28198-51-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28198-51-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,1,9 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 28198-51:
(7*2)+(6*8)+(5*1)+(4*9)+(3*8)+(2*5)+(1*1)=138
138 % 10 = 8
So 28198-51-8 is a valid CAS Registry Number.
28198-51-8Relevant articles and documents
Bicentral oxidation of nitrosolic acids: Synthesis of 1,1-dinitroalkanes
Sheremetev, Aleksei B.,Aleksandrova, Natal'Ya S.,Suponitsky, Kyrill Yu.
scheme or table, p. 215 - 217 (2011/03/19)
gem-Dinitrozo compounds are cleanly oxidized into the gem-dinitro analogues on treatment with formic acid/hydrogen peroxide system.