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129190-10-9

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129190-10-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129190-10-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,9 and 0 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129190-10:
(8*1)+(7*2)+(6*9)+(5*1)+(4*9)+(3*0)+(2*1)+(1*0)=119
119 % 10 = 9
So 129190-10-9 is a valid CAS Registry Number.

129190-10-9Downstream Products

129190-10-9Relevant articles and documents

Effect of substituents on the solvatochromism of stilbazolium merocyanines

Niedbalska, Malgorzata,Gruda, Ilona

, p. 691 - 695 (2007/10/02)

The visible spectra of a series of merocyanines, derivatives of 4--1,4-dihydropyridine, have been investigated in a number of solvents and solvent mixtures.The effect of substituents on the solvatochromic behaviour of these compounds is described.All investigated merocyanines exhibited a strong negative solvatochromism.Invers solvatochromism was observed in solvents of very low polarity for polar dyes, and in polar solvents for dyes containing hydrophobic substituents.This inversion of the solvatochromic behaviour is attributed to aggregation phenomena.

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