543680-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 543680-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,3,6,8 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 543680-85:
(8*5)+(7*4)+(6*3)+(5*6)+(4*8)+(3*0)+(2*8)+(1*5)=169
169 % 10 = 9
So 543680-85-9 is a valid CAS Registry Number.
543680-85-9Relevant articles and documents
Photo-Fries and Fries reaction of 5,8-dihydro-1-naphthyl esters
Sriraghavan, Kamaraj,Ramakrishnan, Vayalakkavoor T.
, p. 1791 - 1796 (2007/10/03)
Systematic studies were performed on the photo-Fries and the Fries reaction of aliphatic, aliphatic unsaturated, aromatic and aromatic unsaturated esters of 5,8-dihydro-1-naphthol. The Fries reaction of 5,8-dihydro-1-naphthyl acetate in various solvents is also reported.
