136009-04-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136009-04-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,0,0 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 136009-04:
(8*1)+(7*3)+(6*6)+(5*0)+(4*0)+(3*9)+(2*0)+(1*4)=96
96 % 10 = 6
So 136009-04-6 is a valid CAS Registry Number.
136009-04-6Relevant articles and documents
Model Studies Related to the Synthesis of Fredericamycin A
Clive, Derrick L. J.,Khodabocus, Ahmad,Vernon, Peter G.,Angoh, A. Gaetan,Bordeleau, Luc,et al.
, p. 1433 - 1444 (2007/10/02)
A spiro diketone 7 containing a pentamethoxynaphthalene unit, and representing four contiguous rings of the antitumour antibiotic fredericamycin A 1, was constructed by radical spirocyclization.