ChemicalBook > CAS DataBase List > Ethyl 2-oxocyclopentanecarboxylate

Ethyl 2-oxocyclopentanecarboxylate

Product Name
Ethyl 2-oxocyclopentanecarboxylate
CAS No.
611-10-9
Chemical Name
Ethyl 2-oxocyclopentanecarboxylate
Synonyms
ethyl 2-oxocyclopentane-1-carboxylate;2-CARBETHOXYCYCLOPENTANONE;2-Oxocyclopentanecarboxylate;ETHYL CYCLOPENTANONE-2-CARBOXYLATE;Ehtyl;2-oxocycL;AKOS AU36-M83;opentanecarboxyL;Ethyl 2-oxocyclopent;Loxoprofen Impurity 56
CBNumber
CB1742309
Molecular Formula
C8H12O3
Formula Weight
156.18
MOL File
611-10-9.mol
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Ethyl 2-oxocyclopentanecarboxylate Property

Boiling point:
102-104 °C/11 mmHg (lit.)
Density 
1.054 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.452(lit.)
Flash point:
172 °F
storage temp. 
Sealed in dry,Room Temperature
form 
Liquid
pka
12.02±0.20(Predicted)
color 
Clear colorless to pale yellow
Water Solubility 
insoluble
BRN 
387787
InChIKey
JHZPNBKZPAWCJD-UHFFFAOYSA-N
LogP
0.330 (est)
CAS DataBase Reference
611-10-9(CAS DataBase Reference)
NIST Chemistry Reference
Cyclopentanecarboxylic acid, 2-oxo-, ethyl ester(611-10-9)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
23-24/25-36/37-26
WGK Germany 
3
F 
10
HazardClass 
IRRITANT
HS Code 
29183000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H227Combustible liquid

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
168092
Product name
Ethyl 2-oxocyclopentanecarboxylate
Purity
95%
Packaging
25g
Price
$31.98
Updated
2024/03/01
Sigma-Aldrich
Product number
168092
Product name
Ethyl 2-oxocyclopentanecarboxylate
Purity
95%
Packaging
100g
Price
$147
Updated
2024/03/01
TCI Chemical
Product number
B0268
Product name
Ethyl 2-Oxocyclopentanecarboxylate
Purity
>97.0%(GC)
Packaging
25mL
Price
$86
Updated
2024/03/01
TCI Chemical
Product number
B0268
Product name
Ethyl 2-Oxocyclopentanecarboxylate
Purity
>97.0%(GC)
Packaging
250mL
Price
$403
Updated
2024/03/01
Alfa Aesar
Product number
L04528
Product name
Ethyl 2-oxocyclopentanecarboxylate, 97+%
Packaging
25g
Price
$38.65
Updated
2024/03/01
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Ethyl 2-oxocyclopentanecarboxylate Chemical Properties,Usage,Production

Chemical Properties

clear colourless to pale yellow liquid

Uses

Pharmaceutical intermediate.

Uses

Ethyl 2-oxocyclopentanecarboxylate was used in stereoselective synthesis of (±)-cis,cis-spiro[4.4]nonane-1,6-diol. It was also used in the synthesis of tanikolide.

Synthesis Reference(s)

Journal of the American Chemical Society, 85, p. 207, 1963 DOI: 10.1021/ja00885a021
The Journal of Organic Chemistry, 55, p. 5037, 1990 DOI: 10.1021/jo00304a014
Tetrahedron Letters, 22, p. 1353, 1981 DOI: 10.1016/S0040-4039(01)90316-8

General Description

Phase-transfer benzylation reaction of ethyl 2-oxocyclopentanecarboxylate with benzyl bromide in microreactor has been investigated. Ethyl 2-oxocyclopentanecarboxylate participates in cobalt (II) Schiff′s base complex catalyzed oxidation of primary and secondary alcohols.

Hazard

Vapors are toxic, as is skin contact.

Ethyl 2-oxocyclopentanecarboxylate Preparation Products And Raw materials

Raw materials

Diethyl ester Potassium tert-butoxide Diethyl adipate Toluene Sodium Tetrahydrofuran Acetic acid

Preparation Products

3-Indolepropionic acid
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View Lastest Price from Ethyl 2-oxocyclopentanecarboxylate manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
Ethyl 2-oxocyclopentanecarboxylate 611-10-9
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-29
Hebei Yanxi Chemical Co., Ltd.
Product
Ethyl 2-oxocyclopentanecarboxylate 611-10-9
Price
US $20.00-5.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10 tons
Release date
2023-09-05
Hebei Chuanghai Biotechnology Co,.LTD
Product
Ethyl-2-oxocy clopentanecarbox 611-10-9
Price
US $10.70/KG
Min. Order
10KG
Purity
99%
Supply Ability
10000kg
Release date
2024-08-20

611-10-9, Ethyl 2-oxocyclopentanecarboxylateRelated Search:

1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid ethyl ester Cyclopentanecarboxylic acid Ethyl propiolate Ethyl acrylate Cyclopentanone ISOXADIFEN-ETHYL Trinexapac-ethyl Ethyl acetate Ethanol Triethyl orthoformate Urethane Ethylparaben Ethyl acetoacetate Ethyl cyanoacetate Ethyl cyanoformate Ethyl formate Benzocaine Cyclopropanecarboxylic acid

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