89532-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89532-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,3 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89532-72:
(7*8)+(6*9)+(5*5)+(4*3)+(3*2)+(2*7)+(1*2)=169
169 % 10 = 9
So 89532-72-9 is a valid CAS Registry Number.
89532-72-9Relevant articles and documents
Studies on Pyrazines. 15. A Convenient Synthesis of 2,5-Dihydroxypyrazines
Sato, Nobuhiro,Kato, Yukihiro
, p. 1677 - 1680 (2007/10/02)
The reaction of 2,5-dimethoxypyrazines with iodotrimethylsilane followed by hydrolysis was investigated to prepare the title compounds.