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(9S)-9-(tert-butyldiphenylsilyloxy)-8-(2-acetoxyethyl)-7-acetoxymethyl-1,5-dithiaspiro[5.4]dec-7-ene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

769168-65-2

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769168-65-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 769168-65-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,9,1,6 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 769168-65:
(8*7)+(7*6)+(6*9)+(5*1)+(4*6)+(3*8)+(2*6)+(1*5)=222
222 % 10 = 2
So 769168-65-2 is a valid CAS Registry Number.

769168-65-2Relevant academic research and scientific papers

Asymmetric synthesis of (1S,6R,7S,9R)-7,9-bis(tert-butyldiphenylsilyloxy)- 3-oxabicyclo[4,3,0]nonan-2-one

Shi, Xiao-Xin,He, Wei,Wu, Qing-Quan,Yin, Jie,Ni, Feng,Jin, Xiao-Zhou

, p. 2327 - 2331 (2004)

The asymmetric synthesis of (1S,6R,7S,9R)-7,9-bis(tert- butyldiphenylsilyloxy)-3-oxabicyclo[4,3,0]nonan-2-one 1 from (4S)-4-acetoxy-2-methoxycarbonyl-3-methoxycarbonylmethyl-2-cyclopenten-1-one 2 is described in eight steps. Compound 2 was readily prepare

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