676557-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 676557-81-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,5,5 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 676557-81:
(8*6)+(7*7)+(6*6)+(5*5)+(4*5)+(3*7)+(2*8)+(1*1)=216
216 % 10 = 6
So 676557-81-6 is a valid CAS Registry Number.
676557-81-6Relevant articles and documents
Synthesis of a macrobicycle incorporating the tris(pyrazolyl)methane ligand
Wang, Leyong,Chambron, Jean-Claude
, p. 747 - 750 (2004)
Steric crowding of the 3-position of tris(pyrazolyl)borate and -methane ligands has produced tetrahedral metal complexes with controlled reactivity. As an alternative, we propose to incorporate the tris(pyrazolyl)methane chelate in a macrobicyclic structu
