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1422257-25-7

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1422257-25-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422257-25-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,2,5 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1422257-25:
(9*1)+(8*4)+(7*2)+(6*2)+(5*2)+(4*5)+(3*7)+(2*2)+(1*5)=127
127 % 10 = 7
So 1422257-25-7 is a valid CAS Registry Number.

1422257-25-7Downstream Products

1422257-25-7Relevant articles and documents

Synthesis, structure and luminescence of novel 2D co-crystals based on asymmetric 5-substituted pyrimidines and isophthalic acid: Alternate arrangement and π-π Interactions

Dai, Xian-Ping,Hou, Gui-Ge,Sun, Ju-Feng,Lin, Dong,Han, Jing-Tian

, p. 203 - 208 (2013)

Two novel organic co-crystals (A) (isophthalic acid) (1) and (B) (isophthalic acid) (2), were generated based on asymmetric building blocks 5-(4-pyridyl)pyrimidine (A) and 5-(4-(1-imidazolyl)phenyl)pyrimidine (B) with isophthalic acid, respectively. The building blocks interlinked with isophthalic acid through intermolecular H-bonding interactions to generate infinite chains, which further extended 2D planar networks. In addition, the luminescent properties of A, B and 1, 2 were investigated primarily in the solid state. Compared with the free building blocks, the emission maxima of 1 and 2 have not been changed, but emission intensities of 1 and 2 have decreased. The structure-property relationship indicates the luminescent property is dependent on the intermolecular-ABAB-alternate arrangement and the intermolecular π-π contacting characteristic. By incorporation of conformers into the co-crystals, the results display more interesting tunability of the emission intensities of the building modules in this study.

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