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1246273-12-0

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1246273-12-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1246273-12-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,2,7 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1246273-12:
(9*1)+(8*2)+(7*4)+(6*6)+(5*2)+(4*7)+(3*3)+(2*1)+(1*2)=140
140 % 10 = 0
So 1246273-12-0 is a valid CAS Registry Number.

1246273-12-0Downstream Products

1246273-12-0Relevant articles and documents

Synthesis and liquid crystalline properties of new diols containing azomethine groups

Mohammed, Issam Ahmed,Sankar, Govindarajan,Khairuddean, Melati,Mohamad, Abu Bakar

experimental part, p. 3260 - 3269 (2010/09/05)

series of new mesogenic azomethine diols were successfully synthesized by condensation reactions between various chloroalkanols and N, N′-bis(4-hydroxy)-benzylidene-o-toluidine (1). The structures of these compounds were confirmed by CHN, FT-IR, 1H-NMR, and 13C-NMR spectrophotometer. Their thermotropic liquid crystalline behavior was studied using differential scanning calorimetry (DSC) and polarizing optical microscope (POM). 4, 4′-di(4-Hydroxybutoxy)-N- benzylidine-o-tolidine (2a) does not exhibit liquid crystalline properties. A nematic texture was observed for mesogenic diols 2b, and 2d, whereas the diol 2c exhibits a smectic msophase. The increase of terminal alkyl chain in these mesogenic diols leads to a decrease in the transition temperature.

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