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Methyl 3-oxocyclobutanecarboxylate

Also known as: Methyl 3-oxocyclobutane-1-carboxylate, Methyl 3-oxocyclobutan-1-carboxylate, 3-Oxo-cyclobutanecarboxylic acid methyl ester, 3-Methoxycarbonylcyclobutanone, Cyclobutanecarboxylic acid, 3-oxo-, methyl ester

Methyl 3-oxocyclobutanecarboxylate (CAS 695-95-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O3 and a molecular weight of 128.126 g/mol. Key properties include a boiling point of 188.0±33.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 72.5±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
695-95-4
Jingsj CID
J-1052677-9
Molecular Formula
C6H8O3
Molecular Weight
128.126 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point188.0±33.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point72.5±25.4 °C
Exact Mass128.047348
PSA43.37000
LogP-0.57
Vapor Pressure0.6±0.4 mmHg at 25°C
Refractive Index1.474
Storage Conditions2-8°C

Customs & Trade Information

HS Code2918300090
Summary2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Methyl 3-oxocyclobutanecarboxylate?

The CAS number of Methyl 3-oxocyclobutanecarboxylate is 695-95-4.

What are the molecular formula and molecular weight of Methyl 3-oxocyclobutanecarboxylate?

Methyl 3-oxocyclobutanecarboxylate has molecular formula C6H8O3 and molecular weight 128.126 g/mol.

What are the upstream and downstream products of Methyl 3-oxocyclobutanecarboxylate?

For Methyl 3-oxocyclobutanecarboxylate, Upstream Products: Methanol, 3-Oxocyclobutanecarboxylic acid, (Trimethylsilyl)diazomethane; Downstream Products: 3-(Hydroxymethyl)cyclobutanone, Methyl 3,3-dimethoxycyclobutane-1-carboxylate.

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

Last updated:

How to cite: Jingsj. "Methyl 3-oxocyclobutanecarboxylate (CAS 695-95-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1052677-9 (accessed 2026-11-09).

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