Cas 105243-89-8,methyl (1RS,2RS,9RS,10RS)-<2-acetyl-9,10-epoxy-1,2,3,4,9,10-hexahydro-1-(2-nitrophenyl)sulfenyl-anthracene-6-carboxylate>

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Check Digit Verification of cas no

The CAS Registry Mumber 105243-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,2,4 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 105243-89:
(8*1)+(7*0)+(6*5)+(5*2)+(4*4)+(3*3)+(2*8)+(1*9)=98
98 % 10 = 8
So 105243-89-8 is a valid CAS Registry Number.

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105243-89-8Relevant academic research and scientific papers

233. Face Selectivity of the Diels-Alder Additions of Sulfur-Substituted Dienes and Tetraenes Grafted onto 7-Oxabicycloheptanes

Tornare, Jean-Marc,Vogel, Pierre,Pinkerton, A. Alan,Schwarzenbach, Dieter

, p. 2195 - 2215 (2007/10/02)

Stereoselective synthesis of 2-methylidene-3--7-oxabicycloheptane (16), 1,4-epoxy-1,2,3,4-tetrahydro-5,8-dimethoxy-2-methylidene-3-anthracene (18), and 1,4-epoxy-1,2,3,

2,5-Bismethylene>-3,6-dimethylene-7-oxabicycloheptane. A Versatile Reagent for Tandem Regioselective Diels-Alder Reactions

Tornare, Jean-Marc,Vogel, Pierre

, p. 2510 - 2511 (2007/10/02)

The title compound may be used to generate polyfunctional, multicyclic molecules with high regio- and stereoselectivity via two successive Diels-Alder additions using two different dienophiles.

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