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2-Cyclohexanecarbonyl-succinic acid 1-tert-butyl ester 4-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

199525-58-1

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199525-58-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199525-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,5,2 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 199525-58:
(8*1)+(7*9)+(6*9)+(5*5)+(4*2)+(3*5)+(2*5)+(1*8)=191
191 % 10 = 1
So 199525-58-1 is a valid CAS Registry Number.

199525-58-1Relevant academic research and scientific papers

A short, efficient synthesis of monofluoro ketomethylene peptide isostere core units

Hoffman, Robert V.,Saenz, James E.

, p. 8469 - 8472 (1997)

Monofluoro ketomethylene peptide isosteres can be prepared by a four step sequence from carboxylic acids in satisfactory overall yields (30-60%). Fluorine is introduced by electrophilic fluorination of a β-ketoester enolate with SelectFluor(TM).

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