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199583-97-6

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199583-97-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199583-97-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,5,8 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 199583-97:
(8*1)+(7*9)+(6*9)+(5*5)+(4*8)+(3*3)+(2*9)+(1*7)=216
216 % 10 = 6
So 199583-97-6 is a valid CAS Registry Number.

199583-97-6Relevant articles and documents

Bis(salicylaldehyde)ethylenedi-iminecobalt(II)-catalysed Oxidation of Aromatic Amins with Oxygen

Benedini, Francesca,Galliani, Guido,Nali, Micaela,Rindone, Bruno,Tollari, Stefano

, p. 1963 - 1968 (2007/10/02)

N-n-Butylanilines undergo N-dealkylation to give a primary amine and butyrylaldehyde by oxidation with oxygen in the presence of bis(salicylaldehyde)ethylenedi-iminecobalt(II) (CoIIsalen) as a catalyst.High conversions are obtained with high catalyst concentrations and low / ratios (r).Inspection of the effect of catalyst and substrate concentrations on initial reaction rates (Vin) shows poor sensitivity to the electronic effect of the nuclear substituent.Some anilines give azo derivatives at a lower rate in the same conditions.

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