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108993-77-7

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108993-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108993-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,9 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 108993-77:
(8*1)+(7*0)+(6*8)+(5*9)+(4*9)+(3*3)+(2*7)+(1*7)=167
167 % 10 = 7
So 108993-77-7 is a valid CAS Registry Number.

108993-77-7Relevant articles and documents

Heterocyclic Intermediates for the Synthesis of Disperse and Cationic Dyes

Viscardi, Guido,Savarino, Piero,Barni, Ermanno,Carpignano, Rosarina,Montoneri, Enzo,Quagliotto, Pierluigi

, p. 835 - 839 (2007/10/02)

Nitro derivatives and amines containing X-azolopyridine moieties were prepared choosing more favourable synthetic pathways.Their physical and spectroscopic data were discussed in correlation with those of previously studied systems.The heteroaromat

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