2-Methylcyclopentane-1,3-dione

Modify Date: 2026-07-04 19:26:43

2-Methylcyclopentane-1,3-dione Structure
2-Methylcyclopentane-1,3-dione structure
Common Name 2-Methylcyclopentane-1,3-dione
CAS Number 765-69-5 Molecular Weight 112.127
Density 1.1±0.1 g/cm3 Boiling Point 218.0±23.0 °C at 760 mmHg
Molecular Formula C6H8O2 Melting Point 212-215 °C(lit.)
MSDS Chinese USA Flash Point 78.5±19.6 °C

 Use of 2-Methylcyclopentane-1,3-dione


2-Methylcyclopentane-1,3-dione is a key intermediate for the total synthesis of steroids[1].

 Names

Name 2-Methyl-1,3-cyclopentanedione
Synonym More Synonyms

 2-Methylcyclopentane-1,3-dione Biological Activity

Description 2-Methylcyclopentane-1,3-dione is a key intermediate for the total synthesis of steroids[1].
Related Catalog
References

[1]. Victor J. Grenda, et al. A convenient synthesis of 2-methylcyclopentane-1,3-dione. RETURN TO ISSUEPREVARTICLENEXT

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 218.0±23.0 °C at 760 mmHg
Melting Point 212-215 °C(lit.)
Molecular Formula C6H8O2
Molecular Weight 112.127
Flash Point 78.5±19.6 °C
Exact Mass 112.052429
PSA 34.14000
LogP -0.78
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.463
InChIKey HXZILEQYFQYQCE-UHFFFAOYSA-N
SMILES CC1C(=O)CCC1=O

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 29142900

 Synthetic Route

~%

2-Methylcyclopentane-1,3-dione Structure

2-Methylcyclope...

CAS#:765-69-5

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Literature: Angewandte Chemie - International Edition, , vol. 46, # 21 p. 3966 - 3970

~%

2-Methylcyclopentane-1,3-dione Structure

2-Methylcyclope...

CAS#:765-69-5

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Literature: Journal of the American Chemical Society, , vol. 65, p. 2296,2298

~%

2-Methylcyclopentane-1,3-dione Structure

2-Methylcyclope...

CAS#:765-69-5

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Literature: Journal of the American Chemical Society, , vol. 65, p. 2296,2298

~99%

2-Methylcyclopentane-1,3-dione Structure

2-Methylcyclope...

CAS#:765-69-5

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Literature: Isart, Carles; Bastida, David; Bures, Jordi; Vilarrasa, Jaume Angewandte Chemie - International Edition, 2011 , vol. 50, # 14 p. 3275 - 3279

~%

2-Methylcyclopentane-1,3-dione Structure

2-Methylcyclope...

CAS#:765-69-5

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Literature: Synthetic Communications, , vol. 19, # 3and4 p. 373 - 378

~%

2-Methylcyclopentane-1,3-dione Structure

2-Methylcyclope...

CAS#:765-69-5

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Literature: Journal of Organic Chemistry, , vol. 47, # 23 p. 4491 - 4498

~%

2-Methylcyclopentane-1,3-dione Structure

2-Methylcyclope...

CAS#:765-69-5

Learn More
Literature: Bulletin de la Societe Chimique de France, , p. 1036 Organic Syntheses, , vol. Coll. Vol. V, p. 747

~%

2-Methylcyclopentane-1,3-dione Structure

2-Methylcyclope...

CAS#:765-69-5

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Literature: Australian Journal of Chemistry, , vol. 35, # 4 p. 799 - 808

 Customs

HS Code 2914299000
Summary 2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Articles3

More Articles
Identification and characterization of novel benzil (diphenylethane-1,2-dione) analogues as inhibitors of mammalian carboxylesterases.

J. Med. Chem. 48 , 2906-15, (2005)

Carboxylesterases (CE) are ubiquitous enzymes responsible for the metabolism of xenobiotics. Because the structural and amino acid homology among esterases of different classes, the identification of ...

Enantiomeric deoxycholic acid: total synthesis, characterization, and preliminary toxicity toward colon cancer cell lines.

J. Org. Chem. 72(24) , 9298-307, (2007)

Deoxycholic acid (DCA) is an endogenous secondary bile acid implicated in numerous pathological conditions including colon cancer formation and progression and cholestatic liver disease. DCA involveme...

Dyotropic rearrangements of fused tricyclic β-lactones: application to the synthesis of (-)-curcumanolide A and (-)-curcumalactone.

J. Am. Chem. Soc. 134(32) , 13348-56, (2012)

Dyotropic rearrangements of fused, tricyclic β-lactones are described that proceed via unprecedented stereospecific, 1,2-acyl migrations delivering bridged, spiro-γ-butyrolactones. A unique example of...

 2-Methylcyclopentane-1,3-dioneBioassay

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Name: Inhibition constant against human Acetylcholinesterase (hAcChE) using acetylthiocholi...
Source: ChEMBL
Target: Acetylcholinesterase
External Id: CHEMBL829841
Name: Inhibition constant against human intestinal carboxylesterase 2 (hiCE) using nitrophe...
Source: ChEMBL
Target: Cocaine esterase
External Id: CHEMBL839684
Name: Enzyme Inhibition Assay from Article 10.1021/jm049011j: "Identification and character...
Source: BindingDB
Target: N/A
External Id: BindingDB_2621_1
Name: Inhibition constant against rabbit liver carboxylesterase (rCE) using nitrophenyl ace...
Source: ChEMBL
Target: Liver carboxylesterase 1
External Id: CHEMBL828256
Name: Inhibition constant against human Butyrylcholinesterase (hBuChE) using butyrylthiocho...
Source: ChEMBL
Target: Cholinesterase
External Id: CHEMBL828255
Name: Inhibition constant against human liver carboxylesterase 1 (hCE1) using nitrophenyl a...
Source: ChEMBL
Target: Liver carboxylesterase 1
External Id: CHEMBL828284
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 Synonyms

2-methyl-1,3-cyclo-pentanedione
2-Methylcyclopentan-1,3-dion
Cyclopentanecarbonylchloride,2-methyl
MFCD00001406
2-methylcyclopentane-1,3-dione
2-Methyl-1,3-cyclopentanedione
2-methylcyclopentanecarbonyl chloride
2-methyl-cyclopentane-1,3-dione
2-methyl-cyclopentan-1,3-dione
EINECS 212-153-2
2-Methyl-1,3-cyclopentadione
2-Methyl-cyclopentan-1-carbonsaeure-chlorid
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