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2-[3-(tert-Butyl-dimethyl-silanyloxy)-3-(2-trimethylsilanylethynyl-phenyl)-prop-1-ynyl]-benzaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

217652-54-5

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217652-54-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 217652-54-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,6,5 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 217652-54:
(8*2)+(7*1)+(6*7)+(5*6)+(4*5)+(3*2)+(2*5)+(1*4)=135
135 % 10 = 5
So 217652-54-5 is a valid CAS Registry Number.

217652-54-5Relevant academic research and scientific papers

Synthesis of dibenzodiynes: Exceptionally easy formation of a chrysene biradical

Rodríguez,Rodríguez,López,Castedo,Domínguez,Saá

, p. 1282 - 1284 (1998)

The new dibenzodiynes 1 and 2 have been synthesized using a Nozaki-Hiyama-Kishi reaction as the key step. Treatment of dibenzodiynone 2 with base at -50°C afforded an enyne-cumulene intermediate that underwent a regioselective cycloaromatization via a chrysene biradical.

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