DL-Dopaquinone

Name: DL-Dopaquinone
Brand: Vaqora Chemicals
SKU: VQ-032764

About DL-Dopaquinone

Listed under CAS 4430-97-1, DL-Dopaquinone is an impurity of Dopamine available from Vaqora Chemicals. With the molecular formula C9H9NO4, it has a molar mass of 195.17 g/mol. Systematically, it is named 2-amino-3-(3,4-dioxocyclohexa-1,5-dien-1-yl)propanoic acid. Alternative names: Dopaquinone (Racemic) and L-dopaquinone.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Dopamine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer DL-Dopaquinone 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 Dopamine

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

Dopamine impurities

Specifications & identifiers

Chemical identifiers
Product name	DL-Dopaquinone
Catalogue No.	VQ-032764
CAS Number	4430-97-1
IUPAC name	2-amino-3-(3,4-dioxocyclohexa-1,5-dien-1-yl)propanoic acid
Molecular formula	C₉H₉NO₄
Molecular weight	195.17 g/mol
Exact mass	195.0532
Grade	Reference Standard
HSN code	38229090
InChIKey	AHMIDUVKSGCHAU-UHFFFAOYSA-N
SMILES	C1=CC(=O)C(=O)C=C1CC(C(=O)O)N
PubChem CID	682

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.4
H-bond donors / acceptors	2 / 5
TPSA	97.5 Å²
Synonyms	Dopaquinone (Racemic), 1,5-Cyclohexadiene-1-propanoic acid, alpha-amino-3,4-dioxo-, alpha-Amino-3,4-dioxo-1,5-cyclohexadiene-1-propanoic acid, L-dopaquinone, 3-(3,4-Dioxocyclohexa-1,5-dien-1-yl)alanine, 1,5-Cyclohexadiene-1-propanoic acid,, A-amino-3,4-dioxo-, 2-amino-3-(3,4-dioxocyclohexa-1,5-dien-1-yl) propanoic acid

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 DL-Dopaquinone?

The CAS Registry Number of DL-Dopaquinone is 4430-97-1. It is also known as Dopaquinone (Racemic), 1,5-Cyclohexadiene-1-propanoic acid, alpha-amino-3,4-dioxo-, alpha-Amino-3,4-dioxo-1,5-cyclohexadiene-1-propanoic acid.

What is the molecular formula and molecular weight of DL-Dopaquinone?

DL-Dopaquinone has the molecular formula C9H9NO4 and a molecular weight of 195.17 g/mol. Its IUPAC name is 2-amino-3-(3,4-dioxocyclohexa-1,5-dien-1-yl)propanoic acid.

What is DL-Dopaquinone used for?

DL-Dopaquinone is supplied as a characterised reference material related to Dopamine. 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 DL-Dopaquinone can I order?

We supply DL-Dopaquinone 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 DL-Dopaquinone?

Yes. Every lot of DL-Dopaquinone 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 DL-Dopaquinone be shipped internationally?

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