67294-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67294-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,9 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67294-57:
(7*6)+(6*7)+(5*2)+(4*9)+(3*4)+(2*5)+(1*7)=159
159 % 10 = 9
So 67294-57-9 is a valid CAS Registry Number.
67294-57-9Relevant academic research and scientific papers
Asteranes, XX. - Studies in the Pentaasterane Series
Ebel, Klaus,Krueger, Heinz,Musso, Hans
, p. 323 - 326 (2007/10/02)
Suitable appearing derivatives of bicyclononane-2,4,7-trione (5 and 6) have been react with benzoquinone derivatives (7 and 10) under conditions to achieve ring closures to the hexacyclo2,7.04,12.05,10.0sup