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912275-84-4

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912275-84-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 912275-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,2,2,7 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 912275-84:
(8*9)+(7*1)+(6*2)+(5*2)+(4*7)+(3*5)+(2*8)+(1*4)=164
164 % 10 = 4
So 912275-84-4 is a valid CAS Registry Number.

912275-84-4Relevant articles and documents

Novel fluorescent perylene liquid crystal with diphenylacrylonitrile groups: Observation of a large pseudo stokes shift based on AIE and FRET effects

Zhu, Mingguang,Zhuo, Youzhen,Cai, Kaicong,Guo, Hongyu,Yang, Fafu

, p. 343 - 349 (2017)

A novel perylene liquid crystal with diphenylacrylonitrile groups on 1,7-bay positions was synthesized in high yield. This highly decorated perylene bisimide showed the ordered hexagonal columnar liquid crystalline behaviour between 124.9 and 189.5 °C. Up

Novel perylene columnar liquid crystal tuned by azo isomerization on bay-positions

Lin, Jianrong,Ji, Xiaoyu,Guo, Hongyu,Yang, Fafu

, (2019/07/04)

Two azo-perylene derivatives (PBI-AZO-1 and PBI-AZO-2) with two alkyl chains and six alkoxy chains were designed and synthesized in yield of 63% and 49%, respectively. PBI-AZO-1 showed no mesophase but PBI-AZO-2 exhibited ordered hexagonal columnar mesophase based on the favorable effects of multiple alkyl chains. PBI-AZO-1 and PBI-AZO-2 exhibited the cis and trans azo-isomerization under radiation of UV light and the fluorescence quantum yields enhanced remarkably from 0.61 and 0.64 to 0.78 and 0.88, respectively. The ordered hexagonal columnar mesophase of PBI-AZO-2 was destroyed by isomerization due to the influence of asymmetrical mixture of cis and trans isomers. The transformation of liquid crystal/non-liquid crystal of PBI-AZO-2 before and after cis/trans isomerization displayed good reversibility by storing the sample for 15 days at room temperature. This kind of liquid crystallic behavior tuned by azo isomerization was first observed for perylene liquid crystal.

Preparation method and application of naphthalene diimide gelator with symmetric structure

-

Paragraph 0030; 0033; 0037, (2018/10/02)

The invention discloses a preparation method and application of a naphthalene diimide gelator with a symmetric structure. The naphthalene diimide gelator with the symmetric structure has a molecular formula: C104H168N4O12 and is capable of gelatinizing cyclohexane, benzene, methylbenzene and dimethylbenzene under low concentration (4.0mg mL-9.8mg mL) by using a heating-cooling method. In addition, molecular gel formed after gelatinization is reversible between a solution state and a gel state under an external action of heating-cooling or mechanical oscillation. The gelator provided bythe invention is simple in synthesis and easily-modified in structure, has the advantages such as thermal reversibility, oscillation stimulation responsiveness and the like and has a potential application value in the field such as catalysis, sensing technologies, drug delivery and chiral separation.

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