Tris(1,10-phenanthroline)chromium(II) ion, also known as Cr(phen)3^2+, is a coordination complex consisting of a chromium(II) ion (Cr^2+) coordinated with three 1,10-phenanthroline ligands. This complex is widely used in various applications, including as a catalyst in organic synthesis, a reagent in analytical chemistry, and a model for studying metal-ligand interactions. The 1,10-phenanthroline ligands are bidentate, meaning they can bind to the central metal ion through two donor atoms, in this case, the nitrogen atoms. The overall charge of the complex is +2, as the three phenanthroline ligands are neutral, and the chromium(II) ion has a +2 charge. The structure of this complex is octahedral, with the chromium(II) ion at the center and the three phenanthroline ligands occupying the six coordination sites.
The CAS Registry Mumber 47836-39-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,7,8,3 and 6 respectively; the second part has 2 digits, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 47836-39: (7*4)+(6*7)+(5*8)+(4*3)+(3*6)+(2*3)+(1*9)=155 155 % 10 = 5 So 47836-39-5 is a valid CAS Registry Number.