5682-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5682-69-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,8 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5682-69:
(6*5)+(5*6)+(4*8)+(3*2)+(2*6)+(1*9)=119
119 % 10 = 9
So 5682-69-9 is a valid CAS Registry Number.
InChI:InChI=1/C7H10O/c1-2-6-3-4-7(8)5-6/h5H,2-4H2,1H3
5682-69-9Relevant articles and documents
Process for preparing cyclopentenone derivatives
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, (2008/06/13)
A novel and industrial process for preparing cyclopentenone derivatives by heating C5 ?C13 aliphatic acids having one substituent or intramolecular esters thereof in the presence of a solid acid catalyst in a good yield.