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(E)-(4R,5S)-8-Benzyloxy-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-3-oxo-oct-6-enoic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

142138-40-7

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142138-40-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142138-40-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,1,3 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 142138-40:
(8*1)+(7*4)+(6*2)+(5*1)+(4*3)+(3*8)+(2*4)+(1*0)=97
97 % 10 = 7
So 142138-40-7 is a valid CAS Registry Number.

142138-40-7Relevant academic research and scientific papers

Conformational Diagnosis of Diethyl (4S,5S)-4,5-Bis(tert-butyldimethylsiloxy)-2E,6E-octadienedioate Based on the Stereochemical Outcomes of Representative Reactions As Compared with Those of Its 4,5-O-Isopropylidene Derivatives and on a Dichroic Exciton C

Saito, Seiki,Narahara, Osamu,Ishikawa, Teruhiko,Asahara, Masahiro,Moriwake, Toshio,et al.

, p. 6292 - 6302 (2007/10/02)

In order to gain more insight into the conformation of diethyl (4S,5S)-4,5-bis(tert-butyldimethylsiloxy)-2E,6E-octadienedioate (1) experimentally, some appropriate reactions of 1 and its derivative (S,S)-3, which bears isopropylidene protecting groups, ha

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