259199-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259199-04-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,1,9 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 259199-04:
(8*2)+(7*5)+(6*9)+(5*1)+(4*9)+(3*9)+(2*0)+(1*4)=177
177 % 10 = 7
So 259199-04-7 is a valid CAS Registry Number.
259199-04-7Relevant academic research and scientific papers
Synthesis of the C1-C12-dihydropyran segment of the antitumor agent laulimalide by ring closing metathesis
Mulzer, Johann,Hanbauer, Martin
, p. 33 - 36 (2007/10/03)
A stereocontrolled synthesis of the C1-C12 fragment 3 of laulimalide utilizing a ring closing metathesis with Grubbs' catalyst as the key step is described.