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91155-21-4

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91155-21-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91155-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,5 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91155-21:
(7*9)+(6*1)+(5*1)+(4*5)+(3*5)+(2*2)+(1*1)=114
114 % 10 = 4
So 91155-21-4 is a valid CAS Registry Number.

91155-21-4Downstream Products

91155-21-4Relevant articles and documents

Synthesis and Characterization of Complexes of Copper(II), Nickel(II), Cobalt(II), Zinc(II) and Cadmium(II) with 2-Methyl/Phenyl-3-anilinoquinazoline-4-ones

Reddy, K. Laxma,Srihari, S.,Lingaiah, P.

, p. 172 - 174 (2007/10/02)

Complexes of Cu(II), Ni(II), Co(II), Zn(II), and Cd(II) with 2-methyl-3-anilinoquinazoline-4-one (MANQ) and 2-phenyl-3-anilinoquinazoline-4-one (PANQ) have been prepared and characterized on the basis of analytical, conductance, magnetic and infrared, electronic and ESR spectral data.All the complexes are found to be non-electrolytes.The compositions of these complexes have been found to be C4L2(CH3COO)2, NiL2Cl2, CoL2(CH3COO)2, ZnL(CH3COO)2 and CdL(CH3COO)2, where L=MANQ or PANQ.Infrared spectral data indicate that both the ligands act as bidentate, coordinating through amino nitrogen and oxygen of amido carbonyl group in all the complexes.The magnetic susceptibilities and electronic spectral data indicate that Cu(II) complexes are tetragonal, Ni(II) and Co(II) complexes are octahedral, and Zn(II) and Cd(II) complexes are tetrahedral.

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