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4-oxo-1-(toluene-4-sulfonyloxymethyl)-cyclohexanecarboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

220934-72-5

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220934-72-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220934-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,9,3 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 220934-72:
(8*2)+(7*2)+(6*0)+(5*9)+(4*3)+(3*4)+(2*7)+(1*2)=115
115 % 10 = 5
So 220934-72-5 is a valid CAS Registry Number.

220934-72-5Downstream Products

220934-72-5Relevant academic research and scientific papers

The synthesis of [2.2.2]bicyclooctane and [3.1.1]bicycloheptane based amino acids as constrained glutamate analogues

Richard Baker,Hancox, Timothy C.

, p. 781 - 784 (2007/10/03)

A novel [2.2.2]bicyclooctane analogue of glutamic acid was synthesised using a modification of the Corey-Link amino acid synthesis. A related [3.1.1]bicycloheptane was prepared by cyclising a symmetrical 4,4- disubstituted cyclohexanone.

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