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Ethyl 1-methyl-1-cyclopentanecarboxylate is an organic compound with the chemical formula C9H16O2. It is a colorless liquid that is soluble in organic solvents and has a molecular weight of 156.22 g/mol. This ester derivative is characterized by a cyclopentane ring with a methyl group attached to the first carbon and an ethyl ester group attached to the carboxylic acid at the first position. It is synthesized through the reaction of 1-methylcyclopentanecarboxylic acid with ethanol in the presence of a catalyst, such as sulfuric acid. Ethyl 1-methyl-1-cyclopentanecarboxylate is used as a fragrance ingredient and a chemical intermediate in the synthesis of various pharmaceuticals and agrochemicals. It is also known for its low toxicity and is considered safe for use in consumer products.

6553-72-6

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6553-72-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6553-72-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,5 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 6553-72:
(6*6)+(5*5)+(4*5)+(3*3)+(2*7)+(1*2)=106
106 % 10 = 6
So 6553-72-6 is a valid CAS Registry Number.

6553-72-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name ethyl 1-methyl-1-cyclopentanecarboxylate

1.2 Other means of identification

Product number -
Other names 1-Methyl-cyclopentancarbonsaeure-(1)-ethylester

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:6553-72-6 SDS

6553-72-6Relevant academic research and scientific papers

TEMPERATURE CONTROLLED SELECTIVITY IN METHYLCYCLOPENTANE CARBONYLATION IN HF-SbF5

Culmann, Jean-Christophe,Cherry, Ghassan,Jost, Roland,Sommer, Jean

, p. 701 - 704 (2007/10/02)

Protolytic ionization of methylcyclopentane in HF-SbF5, followed by carbonylation at atmospheric pressure yields either methyl cyclopentane- or cyclohexaneoxocarbenium ions depending on the reaction temperature.An example of kinetic versus thermodynamic control.

ETHOXYCARBONYLATION OF CYCLOHEXANOL BY ETHYL FORMATE UNDER CONDITIONS OF CATALYSIS BY SULFURIC ACID

Ordyan, M. B.,Stepanyan, A. A.,Pirozhkov, S. D.,Manukyan, Sh. M.,Grigoryan, V. S.,Lapidus, A. L.

, p. 2290 - 2292 (2007/10/02)

The catalytic ethoxycarbonylation of cyclohexanol by ethyl formate in the presence of concentrated sulfuric acid at 25-55 deg C and atmospheric pressure was investigated.The products are cyclohexanecarboxylic and 1-methyl-1-cyclopentanecarboxylic acid and their ethyl esters.A reaction mechanism is proposed.

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