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Bicyclo[2.2.1]hepta-2,5-diene-7-carboxylic acid, methyl ester (9CI) is a chemical compound with the molecular formula C9H10O2. It is a derivative of bicyclo[2.2.1]hepta-2,5-diene-7-carboxylic acid, where a methyl group is attached to the carboxylic acid group through an ester linkage. Bicyclo[2.2.1]hepta-2,5-diene-7-carboxylic acid, methyl ester (9CI) is an organic ester that belongs to the class of bicyclic compounds, specifically those with a heptane ring system. It is characterized by its unique molecular structure, which features a seven-membered ring with two carbon-carbon double bonds and a methyl ester group. Bicyclo[2.2.1]hepta-2,5-diene-7-carboxylic acid, methyl ester (9CI) may be used in organic synthesis or as an intermediate in the preparation of other chemical compounds.

5597-69-3

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5597-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5597-69-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,9 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5597-69:
(6*5)+(5*5)+(4*9)+(3*7)+(2*6)+(1*9)=133
133 % 10 = 3
So 5597-69-3 is a valid CAS Registry Number.

5597-69-3Relevant academic research and scientific papers

7-LITHIO-NORBORNADIENE

Stapersma, J.,Klumpp, G. W.

, p. 187 - 189 (1981)

A synthesis of the title compound is described as well as its reactions with some electrophiles.

Gas Chromatographic Determination of the Absolute Configuration of Secondary Alcohols and Ketones Having 7-Carboxybicycloheptane Skeleton

Yamazaki, Yoshimitsu,Maeda, Hidekatsu

, p. 79 - 88 (2007/10/02)

Stereoisomers of 7-carboxy- and/or 7-methoxycarbonylbicycloheptan-2-ol, heptan-2-one, hept-5-en-2-ol, and hept-5-en-2-one were prepared as the racemic and enantiomerically pure forms.Gas chromatographic enantiomer separation of these compounds was investigated for their diastereomeric derivatives prepared with eight chiral reagents.Among them, (R)-(-)-1-(1-naphthyl)ethyl isocyanate and (R)-(+)-α-methylbenzylamine were the most effective reagents for the hydroxy esters and keto acids, respectively, from the point of complete resolution of the enantiomers on OV-1 capillary columns.The peak components were assigned including the absolute configuration.

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