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79098-18-3

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79098-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79098-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,0,9 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 79098-18:
(7*7)+(6*9)+(5*0)+(4*9)+(3*8)+(2*1)+(1*8)=173
173 % 10 = 3
So 79098-18-3 is a valid CAS Registry Number.

79098-18-3Relevant articles and documents

Theoretical and Spectroscopical Investigations of Indigo Dyes, XXII. - Preparations of 5,5'- and 6,6'-Dialkylated Indigo Dyes

Meier, Helmut,Luettke, Wolfgang

, p. 1303 - 1333 (2007/10/02)

The manifolded applicabilities of indigo dyes are strongly restricted by the low solubility of most of their representatives.We describe in this paper the preparation of a series of dialkylated indigos 1, thioindigos 2, dyes of the cibaviolett-type 3, and of the corresponding vinylogues 4, 5, and 6 by different synthetic methods.Some of the prepared compounds show a remarkable solubility and can be used for spectroscopic measurements even in non-polar solvents.

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