3-Oxocyclobutanecarboxylic Acid Methyl Ester

Name: 3-Oxocyclobutanecarboxylic Acid Methyl Ester
Brand: Vaqora Chemicals
SKU: VQ-027167

About 3-Oxocyclobutanecarboxylic Acid Methyl Ester

Listed under CAS 695-95-4, 3-Oxocyclobutanecarboxylic Acid Methyl Ester is an impurity of Carboplatin available from Vaqora Chemicals. With the molecular formula C6H8O3, it has a molar mass of 128.13 g/mol. The IUPAC name is methyl 3-oxocyclobutane-1-carboxylate. Alternative names: Methyl 3-oxocyclobutanecarboxylate and Methyl 3-oxo-cyclobutanecarboxylate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Carboplatin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 3-Oxocyclobutanecarboxylic Acid Methyl Ester in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Carboplatin

View every impurity, metabolite and intermediate we list for Carboplatin.

Carboplatin impurities

Specifications & identifiers

Chemical identifiers
Product name	3-Oxocyclobutanecarboxylic Acid Methyl Ester
Catalogue No.	VQ-027167
CAS Number	695-95-4
IUPAC name	methyl 3-oxocyclobutane-1-carboxylate
Molecular formula	C₆H₈O₃
Molecular weight	128.13 g/mol
Exact mass	128.0473
Grade	Reference Standard
HSN code	38229090
InChIKey	IHLHSAIBOSSHQV-UHFFFAOYSA-N
SMILES	COC(=O)C1CC(=O)C1
PubChem CID	13992367

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.5
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
Synonyms	Methyl 3-oxocyclobutanecarboxylate, Methyl 3-oxo-cyclobutanecarboxylate, methyl 3-oxidanylidenecyclobutane-1-carboxylate, Methyl3-oxocyclobutanecarboxylate, methyl 3-oxocyclobutane carboxylate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H227Combustible liquid
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 3-Oxocyclobutanecarboxylic Acid Methyl Ester?

The CAS Registry Number of 3-Oxocyclobutanecarboxylic Acid Methyl Ester is 695-95-4. It is also known as Methyl 3-oxocyclobutanecarboxylate, Methyl 3-oxo-cyclobutanecarboxylate, methyl 3-oxidanylidenecyclobutane-1-carboxylate.

What is the molecular formula and molecular weight of 3-Oxocyclobutanecarboxylic Acid Methyl Ester?

3-Oxocyclobutanecarboxylic Acid Methyl Ester has the molecular formula C6H8O3 and a molecular weight of 128.13 g/mol. Its IUPAC name is methyl 3-oxocyclobutane-1-carboxylate.

What is 3-Oxocyclobutanecarboxylic Acid Methyl Ester used for?

3-Oxocyclobutanecarboxylic Acid Methyl Ester is supplied as a characterised reference material related to Carboplatin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 3-Oxocyclobutanecarboxylic Acid Methyl Ester can I order?

We supply 3-Oxocyclobutanecarboxylic Acid Methyl Ester in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Oxocyclobutanecarboxylic Acid Methyl Ester?

Yes. Every lot of 3-Oxocyclobutanecarboxylic Acid Methyl Ester is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 3-Oxocyclobutanecarboxylic Acid Methyl Ester be shipped internationally?

Yes. 3-Oxocyclobutanecarboxylic Acid Methyl Ester is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.