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2-iodo-3-(toluene-p-sulphonyl)propionaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

117659-16-2

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117659-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117659-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,5 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 117659-16:
(8*1)+(7*1)+(6*7)+(5*6)+(4*5)+(3*9)+(2*1)+(1*6)=142
142 % 10 = 2
So 117659-16-2 is a valid CAS Registry Number.

117659-16-2Relevant academic research and scientific papers

Regio- and Stereo-selective Synthesis of β-Sulphonyl-α,β-Unsaturated Carbonyl Compounds via an Iodosulphonylation-Dehydroiodination Raction

Najera, Carmen,Baldo, Beatriz,Yus, Miguel

, p. 1029 - 1032 (2007/10/02)

α,β-Unsaturated carbonyl compounds underwent regiospecific iodosulphonylation with toluene-p-sulphonyl iodide or sodium toluene-p-sulphinate and iodine to afford products (2), which were stereoselectively dehydroiodinated by triethylamine to give β-sulphonyl derivatives (3).The reactivity of compounds (3) as cationic β-acylvinyl equivalents, tested with amines or thiophenol, gave compounds (4) resulting from a displacement reaction.

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