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128140-39-6

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128140-39-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128140-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,4 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128140-39:
(8*1)+(7*2)+(6*8)+(5*1)+(4*4)+(3*0)+(2*3)+(1*9)=106
106 % 10 = 6
So 128140-39-6 is a valid CAS Registry Number.

128140-39-6Downstream Products

128140-39-6Relevant articles and documents

Liquid Crystals with Polar Substituents Containing Fluorine: Synthesis and Physical Properties

Bartmann, E.,Dorsch, D.,Finkenzeller, U.

, p. 77 - 89 (2007/10/02)

Liquid crystalline compounds with various polar terminal groups containing fluorine have been prepared (see below formula 1 with Z = S-CHF2, S-CF3, SO-CHF2, SO-CF3, SO2-CHF2, SO2-CF3, SO2F, OCH2CF3, CO-OCH2CF3, CO-CF3, CO-CF2Cl, CO-CF2H, CO-CF2-CH3, CO-CF2-C3H7).The synthesis of these compounds is outlined here and their physical properties (phase transitions, dielectric anisotropy, birefringence, viscosity) are discussed.

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