308805-03-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 308805-03-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,8,8,0 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 308805-03:
(8*3)+(7*0)+(6*8)+(5*8)+(4*0)+(3*5)+(2*0)+(1*3)=130
130 % 10 = 0
So 308805-03-0 is a valid CAS Registry Number.
308805-03-0Relevant articles and documents
Total synthesis of Marchantinquinone
Lopez,Pandolfi,Seoane
, p. 1403 - 1408 (2007/10/03)
The first synthesis of the title compound is described. Salient features include biaryl ether formation through S(N)Ar reactions and macrocyclization via a [Ni]0 mediated intramolecular coupling reaction.