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1093278-45-5

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1093278-45-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1093278-45-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,3,2,7 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1093278-45:
(9*1)+(8*0)+(7*9)+(6*3)+(5*2)+(4*7)+(3*8)+(2*4)+(1*5)=165
165 % 10 = 5
So 1093278-45-5 is a valid CAS Registry Number.

1093278-45-5Downstream Products

1093278-45-5Relevant articles and documents

Nucleophilic substitution of (sulfonyloxymethyl)aziridines: an asymmetric synthesis of both isomers of mexiletine

Han, Sang-Mi,Ma, Sang-ho,Ha, Hyun-Joon,Lee, Won Koo

experimental part, p. 11110 - 11114 (2009/04/11)

The nucleophilic substitution reactions of 1-[1′(R)-α-methylbenzyl]-(2R)- and (2S)-(sulfonyloxymethyl)aziridines were carried out with various nucleophiles including N3-, MeO-, CN-, SCN-, and diarylcuprates. The reaction pathway is influenced by the stereochemistry of the substrates, nucleophiles, and also the structure of the leaving groups. When the reaction site is less sterically hindered for the reactive nucleophiles to approach to the substrate 1-[1′(R)-α-methylbenzyl]-(2S)-(p-toluenesulfonyloxymethyl)aziridines, product is obtained as a single isomer while all the other starting materials afford a mixture of two isomers from two different reaction pathways. Application of this method enabled us to prepare both isomers of orally effective antiarrhythmic agent mexiletine.

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