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117783-04-7

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117783-04-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117783-04-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,8 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 117783-04:
(8*1)+(7*1)+(6*7)+(5*7)+(4*8)+(3*3)+(2*0)+(1*4)=137
137 % 10 = 7
So 117783-04-7 is a valid CAS Registry Number.

117783-04-7Downstream Products

117783-04-7Relevant articles and documents

Studies on complexes of VO(II), Mn(II), Cu(II), Ni(II), Co(II), Zn(II), Fe(III), and UO2(II) with hydrazone β-diketone ligands

Abdel-Moez, Mohamed S.,Stefan, Shaker L.,El-Bahairy, Mostafa M.,Mashely, Mohamed M.,El-Shetary, Basheir A.

, p. 774 - 781 (2007/10/02)

The stepwise stability constants of VO(II), Mn(II), Cu(II), Ni(II), Co(II), Zn(II), Fe(III), and UO2(II) metal ions with 2-(2-acetylphenylhydrazone)-5,5-dimethyl-1,3-cyclohexane dione (2-APHDm), 3-(2-acetylphenylhydrazone)pentane-2,4-dione (2-APHA), 2-(2-acetylphenylhydrazone)-1-phenyl-1,3-butane dione (2-APHB), 2-(2-acetylphenylhydrazone)-1,3-diphenyl-1,3-propane dione (2-APHDB), and 3-(2-acetylphenylhydrazone)-1,1,1-trifluoropentane-2,4-dione (2-APHTA) were determined at 30 deg C by pH titrations in 75percent (v/v) dioxane-water solvent.In addition, metal complexes of three related β-diketones, 2-APHA, 2-APHB, and 2-APHDB have been synthesized and characterized by elemental analysis, uv-visible, ir spectra, and conductance in DMF and magnetic susceptibility measurements.The structure of the complexes have been proposed.Key words: transition metal complexes of hydrazone-β-diketone ligands.

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