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threo-diethyl 2,3-bis(4-benzoyloxy-3-methoxybenzoyl)butane-1,4-dioate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81585-22-0

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81585-22-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81585-22-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,8 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81585-22:
(7*8)+(6*1)+(5*5)+(4*8)+(3*5)+(2*2)+(1*2)=140
140 % 10 = 0
So 81585-22-0 is a valid CAS Registry Number.

81585-22-0Relevant academic research and scientific papers

Synthesis and N.m.r. Spectra of 2,6- and 2,4-Diaryl-3,7-dioxabicyclooctanes

Pelter, Andrew,Ward, Robert S.,Watson, Derrick J.,Jack, Ibiba R.

, p. 183 - 190 (2007/10/02)

A series of isomeric 2,6- and 2,4-diaryl-3,7-dioxabicyclooctanes have been prepared via the corresponding threo, and erythro-dioxo-diesters.Comparison of their 1H and 13C n.m.r. spectra reveals small differences in chemical shifts and coupling constants which could be diagnostic in assigning structures to such compounds.The structure of 4-hydroxysesamin has been confirmed by direct correlation with sesamin.

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