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148236-95-7

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148236-95-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148236-95-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,2,3 and 6 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 148236-95:
(8*1)+(7*4)+(6*8)+(5*2)+(4*3)+(3*6)+(2*9)+(1*5)=147
147 % 10 = 7
So 148236-95-7 is a valid CAS Registry Number.

148236-95-7Downstream Products

148236-95-7Relevant articles and documents

Chiroptical Properties of 1,2-Cyclopropanedicarboxylic Anhydrides and Imides. The Cyclopropane Ring Contribution to the Cotton Effect

Polonski, Tadeusz,Milewska, Maria J.,Katrusiak, Andrzej

, p. 3411 - 3415 (2007/10/02)

Several optically active 1,2-cyclopropanedicarboxylic anhydrides and imides were prepared and their chiroptical spectra studied.Despite the strained bicyclicc skeleton of these compounds, their CD spectra show an unusual solvent dependence.This phenomenon can be explained in terms of the cyclopropane ring contribution to the Cotton effect.A deviation of the skeleton and the anhydride or imide group from the local Cs symmetry, shown by MNDO calculations, causes formation of an inherently chiral chromophore constituted by the three-membered ring and neighboring carbonyls.This kind of chromophore is responsible for the observed strong Cotton effects.

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