20294-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20294-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,2,9 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20294-57:
(7*2)+(6*0)+(5*2)+(4*9)+(3*4)+(2*5)+(1*7)=89
89 % 10 = 9
So 20294-57-9 is a valid CAS Registry Number.
20294-57-9Relevant academic research and scientific papers
Process for producing nitrophenol compound
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, (2008/06/13)
An improved industrial process for producing a compound of the general formula: STR1 wherein R is an alkyl group having 1 to 4 carbon atoms which comprises reacting a compound of the general formula: STR2 wherein R is as defined above with nitrous acid in