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374807-80-4

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374807-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 374807-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,4,8,0 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 374807-80:
(8*3)+(7*7)+(6*4)+(5*8)+(4*0)+(3*7)+(2*8)+(1*0)=174
174 % 10 = 4
So 374807-80-4 is a valid CAS Registry Number.

374807-80-4Downstream Products

374807-80-4Relevant articles and documents

Gallium(III) organophosphonate adducts with the bidentate amines 2,2′-bipyridyl and 1,10-phenanthroline

Morizzi, Julia,Hobday, Malcolm,Rix, Colin

, p. 67 - 74 (2001)

A number of gallium(III) organophosphonates form adducts with the bidentate amines 2,2′-bipyridyl and 1,10-phenanthroline. These adducts contain a 1:2:1 molar ratio of metal/phosphorus/amine and have the proposed formulations Ga(O3PR)(O2P(OH)R)(C10H8N 2)·H2O and Ga(O3PR)(O2P(OH)R)(C12H8N 2)·H2O (where R = CH3, C6H5 and CH2C6H5; C10H8N2 is 2,2′-bipyridyl and C12H8N2 is 1,10-phenanthroline). Unlike the parent gallium(III) organophosphonates, which conform to the general formula Ga(OH)(O3PR)·xH2O (x = 0 or 1), the amine adducts lack the hydroxo group, but contain the organophosphonate ligand in the partially as well as fully deprotonated forms. All compounds were isolated from aqueous solutions as monohydrates, with the exception of the bipyridyl adduct of gallium(III) phenylphosphonate, which is anhydrous. TGA measurements suggest that for the hydrates, the water molecule is not coordinated to the metal. The bipyridyl adducts of gallium(III) phenylphosphonate and gallium(III) methylphosphonate, like the parent gallium(III) organophosphonates, are very likely layered, as indicated by the powder XRD patterns. In contrast, the corresponding phenanthroline adducts are non-layered, and both the bipyridyl and phenanthroline adducts of gallium(III) benzylphosphonate are amorphous solids. FTIR, powder XRD, TGA, XPS, solid state 31P/13C MAS-NMR and BET surface area data are presented and discussed.

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