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1427283-27-9

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1427283-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1427283-27-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,7,2,8 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1427283-27:
(9*1)+(8*4)+(7*2)+(6*7)+(5*2)+(4*8)+(3*3)+(2*2)+(1*7)=159
159 % 10 = 9
So 1427283-27-9 is a valid CAS Registry Number.

1427283-27-9Relevant articles and documents

A multi-addressable molecular switch based on a novel diarylethene with an imidazo [4,5-f] [1,10] phenanthroline unit

Ren, Panpan,Wang, Renjie,Pu, Shouzhi,Liu, Gang,Fan, Congbin

, p. 183 - 190 (2014)

A novel unsymmetrical diarylethene with an imidazo [4,5-f] [1,10] phenanthroline unit has been synthesized, and its properties including photochromism and fluorescence have been investigated. It showed favorable photochromism and functioned as notable fluorescence switches by photoirradiation in both solution and a poly (methylmethacrylate) film. Moreover, the interaction between the phenanthroline unit of its closed-ring isomer with trifluoroacetic acid caused a notable change in its absorption, accompanied by an evident color change from magenta to slateblue. Its fluorescence could be modulated by trifluoroacetic acid and triethylamine. By adding enough amount of trifluoroacetic acid in chloroform, its emission peak hypochromatic shifted from 501 nm to 456 nm, and the intensity increased significantly with a concomitant change of color from bright cyan to bright blue. However, its emission intensity decreased notably by 95% with a fluorescence color change from bright cyan to dark gray by the addition of triethylamine. Copyright

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