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117239-03-9

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117239-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117239-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,2,3 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117239-03:
(8*1)+(7*1)+(6*7)+(5*2)+(4*3)+(3*9)+(2*0)+(1*3)=109
109 % 10 = 9
So 117239-03-9 is a valid CAS Registry Number.

117239-03-9Downstream Products

117239-03-9Relevant articles and documents

Studies on the Preparation of Dihydro-1,4-oxathiines. Computer-Assisted Evaluation of the Results of Retrosynthetic Analysis Verified by Synthetic Experiments and By-Product Analyses. Synthetic Pathways Involving α-Sulfenylated Ketones and 1,3-Oxathiolanes of α-Halo and α-Hydroxy K...

Nevalainen, Vesa,Pohjala, Esko,Maelkoenen, Pentti,Hukkanen, Heikki

, p. 591 - 602 (2007/10/02)

The preparation of 2- and 2,3-substituted 5,6-dihydro-1,4-oxathiines has been studied by computer simulation and by experiment.Three major synthetic pathways, involving 2-(1-hydroxyalkyl)-1,3-oxathiolanes, 2-(1-haloalkyl)-1,3-oxathiolanes, 2-hydroxyethylthiomethyl ketones, methanesulfonates of 2-hydroxyethylthiomethyl ketones and 2-choroethylthiomethyl ketones as intermediates, were evaluated, by running the program CAMEO, and by experiment.The results of the two approaches were compared and the major by-products of the reactions were identified by GLC/MS.

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