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267897-49-4

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267897-49-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 267897-49-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,8,9 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 267897-49:
(8*2)+(7*6)+(6*7)+(5*8)+(4*9)+(3*7)+(2*4)+(1*9)=214
214 % 10 = 4
So 267897-49-4 is a valid CAS Registry Number.

267897-49-4Relevant articles and documents

Oligoamide duplexes as organogelators

Cao, Ruikai,Zhou, Jingjing,Wang, Wei,Feng, Wen,Li, Xianghui,Zhang, Penghui,Deng, Pengchi,Yuan, Lihua,Gong, Bing

supporting information; experimental part, p. 2958 - 2961 (2010/09/15)

Oligoamide duplexes carrying multiple alkyl side chains were found to serve as gelators for aromatic solvents. The double-stranded backbone was essential for the hierarchical self-assembly of the molecular duplex into fibers of high aspect ratios. The demonstrated gelating abilities may be extended to a large family of analogous H-bonded duplexes having different H-bonding sequences, leading to a unique platform for developing a diverse variety of potential gelators based on a supramolecular and/or a dynamic covalent approach.

A highly stable, six-hydrogen-bonded molecular duplex

Zeng, Huaqiang,Miller, Rebecca S.,Flowers II, Robert A.,Gong, Bing

, p. 2635 - 2644 (2007/10/03)

This paper describes the design, synthesis, and characterization of a hydrogen-bonded molecular duplex (3·4). Two oligoamide molecular strands, 3 and 4, with the complementary hydrogen-bonding sequences ADAADA and DADDAD, respectively, were found to form

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