889097-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 889097-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,0,9 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 889097-66:
(8*8)+(7*8)+(6*9)+(5*0)+(4*9)+(3*7)+(2*6)+(1*6)=249
249 % 10 = 9
So 889097-66-9 is a valid CAS Registry Number.
889097-66-9Relevant articles and documents
Method of making imidazole-2-thiones
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Page/Page column 3-4; 10, (2008/06/13)
The present invention provides a method of making an imidazole-2-thione which comprises the steps of reacting a vicinal diamine with a compound having a thiocarbonyl moiety and oxidizing the resulting reaction product to obtain said imidazole-2-thione.
