86988-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86988-69-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,9,8 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 86988-69:
(7*8)+(6*6)+(5*9)+(4*8)+(3*8)+(2*6)+(1*9)=214
214 % 10 = 4
So 86988-69-4 is a valid CAS Registry Number.
86988-69-4Relevant articles and documents
Synthesis of Some Benzopyranocyclopentapyridine and Pyranoacridine Derivatives
Merchant, J.R.,Martyres, Gail,Koshti, N.M.
, p. 775 - 777 (2007/10/02)
Aminocoumarins react with ethyl cyclopentanone- and ethyl cyclohexanone-2-carboxylates to afford intermediates which on thermal cyclisation yield the title compounds.