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2-Thiophenecarboxaldehyde, 4-[2-(5-chloro-2-methyl-3-thienyl)-1-cyclopenten-1-yl]-5-methyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

770709-90-5

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770709-90-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 770709-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,0,7,0 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 770709-90:
(8*7)+(7*7)+(6*0)+(5*7)+(4*0)+(3*9)+(2*9)+(1*0)=185
185 % 10 = 5
So 770709-90-5 is a valid CAS Registry Number.

770709-90-5Relevant academic research and scientific papers

Synthesis of symmetrical and nonsymmetrical bisthienylcyclopentenes

Szaloki, Gyoergy,Pozzo, Jean-Luc

supporting information, p. 11124 - 11132 (2013/09/02)

Diarylethenes possess unique structural properties, which enabled them to find widespread applications in the field of photochromism. Nowadays, bisthienylcyclopentenes (BTCs) present the most popular subfamily of these compounds, which are widely used as P-type chromophores. This minireview summarises the main strategies for the synthesis of symmetrical and nonsymmetrical BTCs. In addition, attention is drawn to desymmetrisations achieved by monosubstitutions, which is not frequently utilised, although it can be highly advantageous. This is supported with some of the authors' latest results. Copyright

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