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1239666-99-9

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1239666-99-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239666-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,6,6 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1239666-99:
(9*1)+(8*2)+(7*3)+(6*9)+(5*6)+(4*6)+(3*6)+(2*9)+(1*9)=199
199 % 10 = 9
So 1239666-99-9 is a valid CAS Registry Number.

1239666-99-9Downstream Products

1239666-99-9Relevant articles and documents

The spectrophotometric study of a fluorescence-enhanced inclusion complex Threaded with β-cyclodextrin: Synthesis and characterization

Chiu, Yi-Hong,Liu, Jui-Hsiang

, p. 3368 - 3374 (2011/04/26)

A novel achiral monomer end-capped with a phenyl-[1,3,4]oxadiazolyl group and threaded through β-cyclodextrin was synthesized to investigate the host-guest interactions in the inclusion complex. 1H NMR studies revealed that one or two eyclodextrin molecules were threaded onto the synthesized achiral monomer, leading to the formation of a fibrous construction of self-assembled inclusion complexes. The formation of a self-assembled inclusion complex was identified using SEM and TEM. The highly ordered alignment of selfassembled supramolecules was confirmed using polarized optical microscopy. We demonstrate an easy process for the fabrication of nano-structured self-assembled inclusion complexes in pyridine/ethanol (1 mL/10 mL) as well as the enhancement of photo-induced fluorescence via monomers end-capped with a phenyl-[1,3,4]oxadiazolyl moiety threaded with β-cyclodextrins.

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