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916061-13-7

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916061-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 916061-13-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,0,6 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 916061-13:
(8*9)+(7*1)+(6*6)+(5*0)+(4*6)+(3*1)+(2*1)+(1*3)=147
147 % 10 = 7
So 916061-13-7 is a valid CAS Registry Number.

916061-13-7Downstream Products

916061-13-7Relevant articles and documents

Syntheses and crystal structures of copper(II) and copper(I) dpp complexes, [Cu(dpp)Br2] and [Cu(dpp)2][CuBr2] (dpp = 2,9-diphenyl-1,10-phenanthroline)

Wu, Biao,Yang, Peiju,Huang, Xiaojuan,Liu, Yanyan,Liu, Xiaofei,Xia, Chungu

, p. 684 - 688 (2006)

The complexes [Cu(dpp)Br2] (1) and [Cu(dpp)2] [CuBr2] (2) (dpp = 2,9-diphenyl-1,10-phenanthroline) were synthesized and characterized by single-crystal X-ray diffraction methods. Reaction of copper(II) bromide with the dpp ligand in dichloromethane at room temperature afforded 1, which is a rare example of non-square planar four-coordinate copper(II) complexes. Complex 1 crystallizes in the monoclinic space group C2/c with a = 15.352(3), b = 13.192(3), c = 11.358(2) A, β= 120.61(3)°, V= 1979.6(7) A3, Z = 4, Dcalc = 1.865 g cm-3. The coordination geometry about the copper center is distorted about halfway between square planar and tetrahedral. The Cu-N distance is 2.032(2) Aand the Cu-Br distance 2.3521(5) A. Heating a CH 2Cl2 or acetone solution of 1 resulted in complex 2, which consists of a slightly distorted tetrahedral [Cu(dpp)2]+ cation and a linear two-coordinate [CuBr2]- anion. 2 crystallizes in the triclinic space group P1 with a = 10.445(2), b = 11.009(2), c = 18.458(4) A, a = 104.72(3), β= 94.71(3), γ= 103.50(3)°, V = 1973.3(7) A3, Z = 2, Dcalc = 1.602 g cm-3. The four Cu(I)-N distances are between 2.042(3) and 2.067(3) A, the distance of Cu(2)-Br(1) 2.2268(8) A, and the disordered Cu(3)-Br(2) distances are 2.139(7) and 2.237(4) A, respectively. Complex 2 could also be prepared by directly reacting CuBr with dpp in CH2Cl2.

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