114728-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 114728-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,7,2 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 114728-16:
(8*1)+(7*1)+(6*4)+(5*7)+(4*2)+(3*8)+(2*1)+(1*6)=114
114 % 10 = 4
So 114728-16-4 is a valid CAS Registry Number.
114728-16-4Relevant articles and documents
Synthesis of Pakyonol, a Macrocyclic Bis(bibenzyl ether) from Mannia fragrans
Nogradi, Mihaly,Vermes, Borbala,Kajtar-Peredi, Maria,Novikov, V. P.
, p. 299 - 301 (2007/10/02)
The unambiguous synthesis of pakyonol (1), a bis(bibenzyl ether) with a 20-membered ring by Ullmann, Wittig, and modified Wurtz reaction is reported.