223449-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 223449-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,4,4 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 223449-11:
(8*2)+(7*2)+(6*3)+(5*4)+(4*4)+(3*9)+(2*1)+(1*1)=114
114 % 10 = 4
So 223449-11-4 is a valid CAS Registry Number.
223449-11-4Relevant articles and documents
Porphyrin-stoppered [3]- and [5]-rotaxanes
Solladié, Nathalie,Chambron, Jean-Claude,Sauvage, Jean-Pierre
, p. 3684 - 3692 (2007/10/03)
A dicopper(I)-complexed [3]-rotaxane was prepared in 34% yield by a transition-metal-templated strategy involving a bis-chelating molecular thread, macrocycles incorporating the complementary chelating unit, and porphyrin stoppers as key components. A tet
