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1325297-09-3

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1325297-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1325297-09-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,5,2,9 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1325297-09:
(9*1)+(8*3)+(7*2)+(6*5)+(5*2)+(4*9)+(3*7)+(2*0)+(1*9)=153
153 % 10 = 3
So 1325297-09-3 is a valid CAS Registry Number.

1325297-09-3Downstream Products

1325297-09-3Relevant articles and documents

Computation-guided improved one-pot synthesis of macrocyclic cation-binding aromatic pyridone pentamers

Zeng, Vicky Ziman,Su, Haibin,Li, Tianhu

, p. 9961 - 9965 (2016)

By using polar DMF to relax the H-bonded rigid backbone and to lower the energetic penalty associated with the sterically-crowded environment, the yields for BOP-mediated one-pot synthesis of pentameric macrocycles can be improved from 10-25% as obtained

Five-fold-symmetric macrocyclic aromatic pentamers: High-affinity cation recognition, ion-pair-induced columnar stacking, and nanofibrillation

Ren, Changliang,Maurizot, Victor,Zhao, Huaiqing,Shen, Jie,Zhou, Feng,Ong, Wei Qiang,Du, Zhiyun,Zhang, Kun,Su, Haibin,Zeng, Huaqiang

supporting information; experimental part, p. 13930 - 13933 (2011/10/30)

Described in this study is a conceptually new class of five-fold-symmetric cavity-containing planar pentameric macrocycles with their interior decorated by five convergently aligned, properly spaced carbonyl oxygen atoms. These cation-binding oxygens enclose a hydrophilic lumen of 2.85 A in radius and thus display high-affinity binding toward alkali metal cations, and possibly many other cations, too. Arising from their high-affinity recognition of metal ions, these planar macrocycles form cation- or ion-pair-induced one-dimensional columnar aggregates, and subsequently fascinating fibrillation results.

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