686722-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 686722-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,6,7,2 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 686722-20:
(8*6)+(7*8)+(6*6)+(5*7)+(4*2)+(3*2)+(2*2)+(1*0)=193
193 % 10 = 3
So 686722-20-3 is a valid CAS Registry Number.
686722-20-3Relevant articles and documents
A Concise Total Synthesis of (+)-FR900482 and (+)-FR66979
Judd, Ted C.,Williams, Robert M.
, p. 2825 - 2830 (2007/10/03)
The concise, enantioselective total synthesis of the potent antitumor antibiotics (+)-FR900482 and (+)-FR66979 are described. Sharpless asymmetric epoxidation technology has been deployed to construct the optically active aziridine-containing fragment tha