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(S)-5-{(2E,4E)-(S)-6-(tert-Butyl-diphenyl-silanyloxy)-2,5-dimethyl-1-methylene-8-[(2R,4R,5R)-4-methyl-5-((E)-1-methyl-3-triisopropylsilanyloxy-propenyl)-tetrahydro-furan-2-yl]-octa-2,4-dienyl}-dihydro-furan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

440677-16-7

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440677-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 440677-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,0,6,7 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 440677-16:
(8*4)+(7*4)+(6*0)+(5*6)+(4*7)+(3*7)+(2*1)+(1*6)=147
147 % 10 = 7
So 440677-16-7 is a valid CAS Registry Number.

440677-16-7Downstream Products

440677-16-7Relevant academic research and scientific papers

Asymmetric construction of the azaspiro[5.5]undec-8-ene system towards gymnodimine synthesis

Tsujimoto, Takashi,Ishihara, Jun,Horie, Mariko,Murai, Akio

, p. 399 - 402 (2007/10/03)

In the course of the synthetic studies on gymnodimine, a potent shellfish toxin, the asymmetric construction of the azaspirocyclic part was achieved by the (-)-siam·Cu(SbF6)2 complex catalyzed intermolecular Diels-Alder reaction in high exo- and enantioselectivities.

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