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Cycloheptanecarboxylic acid, 1-[(3-chlorophenyl)methyl]-2-oxo-, methyl ester, (S)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139518-65-3

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139518-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139518-65-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,1 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139518-65:
(8*1)+(7*3)+(6*9)+(5*5)+(4*1)+(3*8)+(2*6)+(1*5)=153
153 % 10 = 3
So 139518-65-3 is a valid CAS Registry Number.

139518-65-3Relevant academic research and scientific papers

Asymmetric synthesis of α-alkylated α-amino acids: Azocane-2-carboxylic acids

Georg, Gunda U.,Guan, Xiangming

, p. 17 - 20 (1992)

α-Alkylated azocane-2-carboxylic acid methyl esters 5 were synthesized with excellent enantiomeric excess (>96%) in four steps starting from optically active β-keto esters 1. The synthesis involved tetrazole formation, reduction, protection, and oxidation

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