280136-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 280136-86-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,0,1,3 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 280136-86:
(8*2)+(7*8)+(6*0)+(5*1)+(4*3)+(3*6)+(2*8)+(1*6)=129
129 % 10 = 9
So 280136-86-9 is a valid CAS Registry Number.
280136-86-9Relevant articles and documents
First synthesis of subelliptenone F, an inhibitor of topoisomerase II
Ohira, Susumu,Fukamachi, Norihiro,Nakagawa, Osamu,Yamada, Masashi,Nozaki, Hiroshi,Iinuma, Munekazu
, p. 464 - 465 (2000)
Subelliptenone F, a potent inhibitor of topoisomerase II, was synthesized for the first time via coupling of A and C ring components and B ring formation, followed by Claisen rearrangement of the 3-methyl-2-butenyl ether.
