2-Carboxyquinone

Name: 2-Carboxyquinone
Brand: Vaqora Chemicals
SKU: VQ-038317

About 2-Carboxyquinone

2-Carboxyquinone (CAS 5794-62-7) is an impurity of Mesalazine offered by Vaqora Chemicals. The compound has the formula C7H4O4, corresponding to a molecular weight of 152.1 g/mol. Systematically, it is named 3,6-dioxocyclohexa-1,4-diene-1-carboxylic acid. It is also known as 2,5-Dioxobenzoic acid or 3,6-dioxocyclohexa-1,4-dienecarboxylic acid.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Mesalazine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 2-Carboxyquinone in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Mesalazine

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

Mesalazine impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Carboxyquinone
Catalogue No.	VQ-038317
CAS Number	5794-62-7
IUPAC name	3,6-dioxocyclohexa-1,4-diene-1-carboxylic acid
Molecular formula	C₇H₄O₄
Molecular weight	152.1 g/mol
Exact mass	152.011
Grade	Reference Standard
HSN code	38229090
InChIKey	DFAUCRRGILHLPG-UHFFFAOYSA-N
SMILES	C1=CC(=O)C(=CC1=O)C(=O)O
PubChem CID	13334123

Physical properties
Physical form	Solid
LogP (XLogP3)	0.3
H-bond donors / acceptors	1 / 4
TPSA	71.4 Å²

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 2-Carboxyquinone?

The CAS Registry Number of 2-Carboxyquinone is 5794-62-7. It is also known as 2,5-Dioxobenzoic acid, 3,6-dioxocyclohexa-1,4-dienecarboxylic acid, quinone-2-carboxylic acid.

What is the molecular formula and molecular weight of 2-Carboxyquinone?

2-Carboxyquinone has the molecular formula C7H4O4 and a molecular weight of 152.1 g/mol. Its IUPAC name is 3,6-dioxocyclohexa-1,4-diene-1-carboxylic acid.

What is 2-Carboxyquinone used for?

2-Carboxyquinone is supplied as a characterised reference material related to Mesalazine. 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 2-Carboxyquinone can I order?

We supply 2-Carboxyquinone 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 2-Carboxyquinone?

Yes. Every lot of 2-Carboxyquinone 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 2-Carboxyquinone be shipped internationally?

Yes. We export 2-Carboxyquinone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.