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1-Octyn-3-ol, 8-[[(1,1-dimethylethyl)diphenylsilyl]oxy]-, acetate, (3S)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

685835-08-9

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685835-08-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 685835-08-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,8,3 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 685835-08:
(8*6)+(7*8)+(6*5)+(5*8)+(4*3)+(3*5)+(2*0)+(1*8)=209
209 % 10 = 9
So 685835-08-9 is a valid CAS Registry Number.

685835-08-9Upstream product

685835-08-9Relevant academic research and scientific papers

Synthesis of (4R,9Z)-9-octadecen-4-olide, the female sex pheromone of Janus integer, and its enantiomer

Shibata, Chie,Mori, Kenji

, p. 1083 - 1088 (2004)

Enantiomer separation of (±)-8-fert-butyldiphenylsilyloxy-1-octyn-3- ol was achieved by lipase-mediated asymmetric acetylation. The resolved (R)-alkynol was converted into (4R,9Z)-9-octadecen-4-olide, which was identical with the female sex pheromone of the currant stem girdler (Janus integer). The absolute configuration of the natural pheromone was thus established as R. (4S,9Z)-9-Octadecen-4-olide was also synthesized, and found to be pheromonally inhibitory. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004.

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