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2-(tert-butyl-dimethyl-silanyloxymethyl)-6-phenylsulfanyl-5-phenylsulfanylmethyl-hex-3-enoic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

489441-69-2

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489441-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 489441-69-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,9,4,4 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 489441-69:
(8*4)+(7*8)+(6*9)+(5*4)+(4*4)+(3*1)+(2*6)+(1*9)=202
202 % 10 = 2
So 489441-69-2 is a valid CAS Registry Number.

489441-69-2Relevant academic research and scientific papers

Investigation of the Diastereoselective Cyclization of Bis-sulfonyl Esters

Colucci, John,Lee, David,Wilson, Marie-Claire,Chau, Ann

, p. 4705 - 4708 (2007/10/03)

(Matrix Presented) The diastereoselective cyclization of bissulfonyl esters was investigated by varying both the size and the placement of the substituent on the tether adjoining the reacting centers. Substitution at either the α or β position relative to the ester moiety gave diastereomeric ratios of (1-3):1, while γ substitution dramatically increased the diastereomeric ratios to (6-20):1.

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