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73440-11-6

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73440-11-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73440-11-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,4 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73440-11:
(7*7)+(6*3)+(5*4)+(4*4)+(3*0)+(2*1)+(1*1)=106
106 % 10 = 6
So 73440-11-6 is a valid CAS Registry Number.

73440-11-6Downstream Products

73440-11-6Relevant articles and documents

Five-Coordinate Dioxygen Adducts of Cobalt(II) Complexes

Drago, Russell S.,Stahlbush, James R.,Kitko, David J.,Breese, John

, p. 1884 - 1889 (1980)

A series of five-coordinate cobalt(II) triphosphine complexes are reported and their electronic structures determined via EPR.Both distorted trigonal bipyramidal and tetragonal pyramidal geometries are obtained with ligand variation.Complexes with both geometries reversibly bind dioxygen but dissociate a phosphine in the process to form a novel series of five-coordinate terminally bound dioxygen complexes.The implication of this new type of adduct to the requirements for a ring-bonded mode of cobalt-dioxygen binding is discussed.

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