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(E)-2-(Cyclohepta-1,3,5-trienecarbonyl)-3-phenyl-acrylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

220210-45-7

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220210-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220210-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,2,1 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 220210-45:
(8*2)+(7*2)+(6*0)+(5*2)+(4*1)+(3*0)+(2*4)+(1*5)=57
57 % 10 = 7
So 220210-45-7 is a valid CAS Registry Number.

220210-45-7Relevant academic research and scientific papers

An efficient synthetic pathway from cyclohepta-1,3,5-triene to 2,3- disubstituted 1,2,3,8-tetrahydroazulen-1-ones

Kajioka, Takanori,Oda, Mitsunori,Yamada, Shin'ichiro,Kawamori, Yoshio,Miyatake, Ryuta,Kuroda, Shigeyasu

, p. 184 - 187 (1999)

The Nazarov cyclization of substituted ethyl 3-(cyclohepta- 1,3,5- trien-1-yl)-2-methylen-3-oxopropionates, prepared from cyclohepta-1,3,5- triene in three steps, gave solely 2,3-disubstituted 1,2,3,8- tetrahydroazulen-1-ones without any detectable format

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