527743-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 527743-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,7,7,4 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 527743-03:
(8*5)+(7*2)+(6*7)+(5*7)+(4*4)+(3*3)+(2*0)+(1*3)=159
159 % 10 = 9
So 527743-03-9 is a valid CAS Registry Number.
527743-03-9Relevant articles and documents
Total synthesis of the antitumor agent (-)-laulimalide
Mulzer, Johann,Hanbauer, Martin
, p. 3381 - 3383 (2002)
A stereocontrolled synthesis of the title compound is described. Key steps are an allylsilane addition to a chiral acetal as the major coupling step and a Yamaguchi macrolactonization for ring closure.
