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180784-55-8

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180784-55-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180784-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,7,8 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 180784-55:
(8*1)+(7*8)+(6*0)+(5*7)+(4*8)+(3*4)+(2*5)+(1*5)=158
158 % 10 = 8
So 180784-55-8 is a valid CAS Registry Number.

180784-55-8Downstream Products

180784-55-8Relevant articles and documents

Synthesis and solution complexation behaviour of tetradentate diamines with hard phosphinate donors

Bates, George B.,Cole, Eleanor,Parker, David,Kataky, Ritu

, p. 2693 - 2698 (1996)

Seven acyclic tetradentate compounds of varying lipophilicity incorporating two nitrogen and two alkyl or aryl phosphinate donors have been prepared and their complexation of divalent ions has been studied in aqueous solution by pH-metric, NMR and electrospray mass spectrometric methods of analysis. The hard phosphinate oxygen donor favours binding to the charge-dense Mg2+ ion but binds copper(II) only very weakly in solution. Nickel and zinc ions do form 1:1 complexes involving significant phosphinate ligation and this donor-atom preference leads to an inversion of the Irving-Williams stability sequence.

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