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

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. 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-1445077-2
Molecular Formula: C₈H₁₀O₃
Molecular Weight: 154.16300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	247.397ºC at 760 mmHg
Density	1.13
Flash Point	104.63ºC
Exact Mass	154.06300
PSA	43.37000
LogP	1.18640

Customs & Trade Information

HS Code	2915390090
Summary	2915390090. esters of acetic acid. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:5.5%. General tariff:30.0%

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.

What are the upstream and downstream products of 2-Methyl-3-oxocyclopent-1-en-1-yl acetate?

For 2-Methyl-3-oxocyclopent-1-en-1-yl acetate, Upstream Products: 2-Methyl-1,3-cyclopentanedione.

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

Last updated: 8/21/2026

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-1445077-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.