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(1R,3S,6R,7S,9R)-9-Acetoxy-3-hydroxy-4-oxo-6-phenyl-5-aza-tricyclo[4.3.0.03,7]nonane-7-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140700-58-9

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140700-58-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140700-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,7,0 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 140700-58:
(8*1)+(7*4)+(6*0)+(5*7)+(4*0)+(3*0)+(2*5)+(1*8)=89
89 % 10 = 9
So 140700-58-9 is a valid CAS Registry Number.

140700-58-9Downstream Products

140700-58-9Relevant academic research and scientific papers

Dioxopyrroline. L. Skeletal rearrangements of 7-vinyl-7-trimethylsilyloxy-5-ethoxycarbonyl-1-phenyl-2-azabicyclo[3.2. 0]heptane-3,5-diones under thermal, basic, and acidic conditions

Sano,Toda,Tsuda

, p. 36 - 42 (2007/10/02)

The oxyvinylcyclobutanes (2), photoadducts of the dioxopyrrolines (1) to trimethylsilyloxybutadienes, undergo two different types of skeletal rearrangements depending on the reaction conditions. Thermolysis of 2 caused expansion of the cyclobutane ring by

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