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1349697-57-9

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1349697-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1349697-57-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,9,6,9 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1349697-57:
(9*1)+(8*3)+(7*4)+(6*9)+(5*6)+(4*9)+(3*7)+(2*5)+(1*7)=219
219 % 10 = 9
So 1349697-57-9 is a valid CAS Registry Number.

1349697-57-9Downstream Products

1349697-57-9Relevant articles and documents

Self-organized photochromic dithienylcyclopentene organogels

Rameshbabu, Krishnamurthy,Zou, Lu,Kim, Chanjoong,Urbas, Augustine,Li, Quan

, p. 15673 - 15677 (2012/01/17)

A series of photochromic organogelators based on dithienylcyclopentene amides with a phenylene unit as a bridge between the amide and long alkyl chain were synthesized, their gelation behaviors were characterized by rheology, FT-IR, 1H NMR, SEM, optical microscopy, UV-Vis and fluorescence spectroscopy. These organogelator molecules were found to be able to induce gelation in apolar solvents such as benzene, toluene and p-xylene to form entangled networks driven by intermolecular hydrogen bonding together with π-π interactions. Their excellent reversible photochromism with thermal stability in both solution and gel states was observed, and the thermally reversible property in sol-gel transition was exhibited.

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