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4-((S)-2-Oxo-2λ4-[1,3,2]dioxathiolan-4-yl)-benzoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

204581-96-4

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204581-96-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 204581-96-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,5,8 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 204581-96:
(8*2)+(7*0)+(6*4)+(5*5)+(4*8)+(3*1)+(2*9)+(1*6)=124
124 % 10 = 4
So 204581-96-4 is a valid CAS Registry Number.

204581-96-4Relevant academic research and scientific papers

Nucleophilic reactions between cyclic 1,2-sulfites and chloride ions

Nymann, Kirsten,Jensen, Linda,Svendsen, John S.

, p. 832 - 841 (2007/10/03)

When cyclic 1,2-sulfites are ring opened by chloride ion, the chlorohydrins are formed with low regio- and stereo-selectivity. The mechanisms involved in the process were investigated by measuring the stereochemical outcome of the reactions. The results showed that reversible inversion pathways (SN2 reactions) and a retention pathway (SN2i reaction) gave rise to the loss in ee in both the chlorohydrins and in the cyclic 1,2-sulfites. Acta Chemica Scandinavica 1996.

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