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1250403-93-0

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1250403-93-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1250403-93-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,0,4,0 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1250403-93:
(9*1)+(8*2)+(7*5)+(6*0)+(5*4)+(4*0)+(3*3)+(2*9)+(1*3)=110
110 % 10 = 0
So 1250403-93-0 is a valid CAS Registry Number.

1250403-93-0Downstream Products

1250403-93-0Relevant articles and documents

P-Phenyleneethynylene-based comb-like oligomers: The synthesis and self-assembling property

Wang, Liu-Gang,Zhan, Tian-Guang,Zhao, Xin,Jiang, Xi-Kui,Li, Zhan-Ting

, p. 5303 - 5310 (2012/08/27)

This paper describes the self-assembling property of three series of p-phenyleneethynylene based comb-like oligomers, which carry multiple peripheral side chains of different polarity. The new oligomers are prepared readily through the formation of the hydrazone bonds from the corresponding aldehyde and gallic acid-derived benzohydrazides. In polar solvents such as methanol and ethanol, the oligomers that bear n-decyl or 2-(2-(dioctylamino)-2-oxoethyl- amino)-2-oxoethoxyl unit (DOAOE) segments as the side chains are revealed to form vesicular structures, while the oligomers carrying hydrophilic oligo(ethyleneglycol) side chains do not. The structures of the vesicles are evidenced by SEM, AFM, TEM, and dye-encapsulation experiments. UV-vis absorption spectroscopic experiments suggest that the vesicles are generated through the stacking of the conjugated backbones, which is promoted by the solvophobic interaction of the peripheral side chains.

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