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1338602-94-0

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1338602-94-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1338602-94-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,6,0 and 2 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1338602-94:
(9*1)+(8*3)+(7*3)+(6*8)+(5*6)+(4*0)+(3*2)+(2*9)+(1*4)=160
160 % 10 = 0
So 1338602-94-0 is a valid CAS Registry Number.

1338602-94-0Downstream Products

1338602-94-0Relevant articles and documents

Synthesis, self-assembly, and catalytic activity of 1H-imidazole amphiphiles

Park, Jun Ha,Kim, Min Soo,Seo, Sang Hyuk,Chang, Ji Young

, p. 2193 - 2198 (2012/06/04)

We prepared polycatenar 1H-imidazole amphiphiles having a structure in which a 1H-imidazole head was connected through a benzene ring to a pheny group having two or three oligo(ethylene glycol) chains and studied their supramolecular assembly by fluorescence spectroscopy, transmission electron microscopy (TEM) and atomic force microscopy (AFM). When the aqueous solutions of the amphiphiles (5 × 10-5 M ~ 10-3 M) were deposited onto a carbon-coated copper grid and dried, twisted structures with diameters of ~200-300 nm were imaged by TEM and AFM. We presume that the structures comprised a chain of the amphiphile dimers formed via successive hydrogen bonding between the 1H of the imidazole group and 3N of the neighboring one. In a solution of pH 4, entangled fibers with diameters of several nanometers were observed by TEM. In a pH 10 solution, film-like aggregates formed exclusively. The 1H-imidazole amphiphiles hydrolyzed tetraethoxysilane to induce gelation to form fibrous and spherical silica structures at neutral pH in aqueous solutions. No silica was formed when imidazole was used instead of the amphiphiles, suggesting that the selfassembled aggregates of the amphiphiles were responsible for the gelation.

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