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134334-72-8

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134334-72-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134334-72-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,3,3 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 134334-72:
(8*1)+(7*3)+(6*4)+(5*3)+(4*3)+(3*4)+(2*7)+(1*2)=108
108 % 10 = 8
So 134334-72-8 is a valid CAS Registry Number.

134334-72-8Relevant articles and documents

Pyridinium N-Phenoxide Betaines and Their Application for the Characterization of Solvent Polarities, XVIII. - Synthesis and UV/Vis Spectroscopic Properties of a Negatively Solvatochromic Pyridinium N-Thiophenoxide Betaine Dye

Reichardt, Christian,Eschner, Michael

, p. 1003 - 1012 (2007/10/02)

Synthesis and UV/Vis spectroscopic properties of the negatively solvatochromic, relative to 1 homomorphic, thiobetaine dye 2 are described.The new thiobetaine 2 exhibits an even larger negative solvatichromism and thermochromism than the standard betaine

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