2-Methyl-3-oxocyclopent-1-en-1-yl acetate

3-(乙酰氧基)-2-甲基-2-环戊烯-1-酮

Also known as: Cyclotene acetate, Cycloten acetate, 3-(Acetyloxy)-2-methyl-2-cyclopenten-1-one, 3-Acetoxy-2-methylcyclopent-2-en-1-one, Acetic acid (2-methyl-3-oxo-1-cyclopentenyl) ester, 2-Cyclopenten-1-one, 3-(acetyloxy)-2-methyl-

2-Methyl-3-oxocyclopent-1-en-1-yl acetate (CAS 3883-57-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H10O3 and a molecular weight of 154.16300 g/mol. It is also known as Cyclotene acetate, Cycloten acetate and 3-(Acetyloxy)-2-methyl-2-cyclopenten-1-one. Key properties include a boiling point of 247.397ºC at 760 mmHg, a density of 1.13 and a flash point of 104.63ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3883-57-6
Jingsj CID
J-1445077-8
Molecular Formula
C8H10O3
Chinese Name
3-(乙酰氧基)-2-甲基-2-环戊烯-1-酮
Molecular Weight
154.16300 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point247.397ºC at 760 mmHg
Density1.13
Flash Point104.63ºC

Frequently Asked Questions

What is the CAS number of 2-Methyl-3-oxocyclopent-1-en-1-yl acetate?

The CAS number of 2-Methyl-3-oxocyclopent-1-en-1-yl acetate is 3883-57-6.

What are the molecular formula and molecular weight of 2-Methyl-3-oxocyclopent-1-en-1-yl acetate?

2-Methyl-3-oxocyclopent-1-en-1-yl acetate has molecular formula C8H10O3 and molecular weight 154.16300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-Methyl-3-oxocyclopent-1-en-1-yl acetate (CAS 3883-57-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1445077-8 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.