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195989-67-4

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195989-67-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 195989-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,9,8 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 195989-67:
(8*1)+(7*9)+(6*5)+(5*9)+(4*8)+(3*9)+(2*6)+(1*7)=224
224 % 10 = 4
So 195989-67-4 is a valid CAS Registry Number.

195989-67-4Downstream Products

195989-67-4Relevant articles and documents

Synthesis and spectral studies of nickel(II) and cobalt(II) complexes of a twelve-membered and tetradentate macrocyclic ligand

Sharma, Hemant Kumar,Chandra, Sulekh,Gupta, Sunita

, p. 1083 - 1091 (2008/10/09)

Nickel(II) and cobalt(II) complexes of the general compositions M( Tptacdte)X2 (Tptacdte = 2,3,8,9-tetraphenyl-1,4,7,10-tetraazacyclododeca-1,3,7,9-tetraene; X = Cl, Br, SCN for Ni(II) and X = Cl, NO3, SCN for Co(II) and Co(Tptacdte)SO4.(H2O)2 have been synthesized. The complexes have been characterized on the basis of elemental analyses, molar conductance measurements, magnetic susceptibility measurements, IR and electronic spectral studies. The complexes were found to stabilize an octahedral geometry for the Ni(II) complexes and a distorted octahedral geometry for the Co(II) complexes.

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