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1238341-42-8

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1238341-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1238341-42-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,8,3,4 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1238341-42:
(9*1)+(8*2)+(7*3)+(6*8)+(5*3)+(4*4)+(3*1)+(2*4)+(1*2)=138
138 % 10 = 8
So 1238341-42-8 is a valid CAS Registry Number.

1238341-42-8Relevant articles and documents

Fluorous gallic acid derivatives as versatile gelators. Self-assembly into nanosized fibers or balls

Faggi, Enrico,Sebastian, Rosa Maria,Valiribera, Adelina

experimental part, p. 5190 - 5195 (2010/08/20)

A new class of low molecular mass organogelators, the fluorous derivatives of gallic acid 13, is described. The gelation properties have been examined in a large variety of organic liquids. The corresponding analogs possessing alkyl instead of semiperuluoroalkyl chains (46) do not display any gelation properties, thus revealing the key role of perfluorinated chains in the aggregationgelation process. Gels have been studied by scanning electron microscopy, revealing the presence of three-dimensional networks of nanosized fibers. In the case of an instable gel, SEM images showed that these elongated fibers curl up into nanoballs, failing to create the entangled network responsible for solvent entrapment.

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