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20484-62-2

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20484-62-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20484-62-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,8 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20484-62:
(7*2)+(6*0)+(5*4)+(4*8)+(3*4)+(2*6)+(1*2)=92
92 % 10 = 2
So 20484-62-2 is a valid CAS Registry Number.

20484-62-2Relevant articles and documents

ELECTRON-DONATING PROPERTIES OF SOME N-ARYLPYRROOLES. I. CHARGE-TRANSFER COMPLEXES

Abu-Eittah, Rafie H.,Hilal, Refat H.,El-Shall, Mohamed S.

, p. 487 - 492 (2007/10/02)

The complex formation between some N-arylpyrroles and the electron acceptors iodine, tetracyanoethylene, and chloranil has been investigated spectrophotometrically.Association constants, free energies of formation and other thermodynamic properties have been calculated for the charge-transfer complexes of these systems.Values of band maxima were used to calculate the ionisation potentials of the donors.Factors governing the stability of the molecular complexes studied are analysed and discussed.

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