Dopamine Impurity 1

About Dopamine Impurity 1

Dopamine Impurity 1 is an impurity of Dopamine carrying the CAS registry number 22568-51-0. The compound has the formula C9H9NO4, corresponding to a molecular weight of 195.17 g/mol. Systematically, it is named 2-methoxy-4-[(E)-2-nitroethenyl]phenol. It is also known as 2-methoxy-4-[(E)-2-nitrovinyl]phenol or 2-Methoxy-4-((E)-2-nitrovinyl)phenol.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Dopamine Impurity 1 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	Dopamine Impurity 1
Catalogue No.	VQ-048082
CAS Number	22568-51-0
IUPAC name	2-methoxy-4-[(E)-2-nitroethenyl]phenol
Molecular formula	C₉H₉NO₄
Molecular weight	195.17 g/mol
Exact mass	195.0532
Grade	Reference Standard
HSN code	38229090
InChIKey	XVXCSPJSXIUNQJ-SNAWJCMRSA-N
SMILES	COC1=C(C=CC(=C1)/C=C/[N+](=O)[O-])O
PubChem CID	638439

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	1 / 4
TPSA	75.3 Å²
Synonyms	2-methoxy-4-[(E)-2-nitrovinyl]phenol, 2-Methoxy-4-((E)-2-nitrovinyl)phenol, 2-methoxy-4-(2-nitrovinyl)phenol, (E)-2-methoxy-4-(2-nitrovinyl)phenol, 4-Hydroxy-3-methoxy-beta-nitrostyrene, 2-methoxy-4-(2-nitroethenyl)phenol, 4-{2-nitrovinyl}-2-methoxyphenol, 2-Methoxy-4-(2-nitro-vinyl)-phenol, 4-((1E)-2-nitrovinyl)-2-methoxyphenol, 4-Hydroxy-3-methoxynitrostyrene, 2-methoxy-4-(2-nitrovi-nyl)phenol, 4-Hydroxy-3-methoxy-.beta.-nitrostyrene

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, 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 Dopamine Impurity 1?

The CAS Registry Number of Dopamine Impurity 1 is 22568-51-0. It is also known as 2-methoxy-4-[(E)-2-nitrovinyl]phenol, 2-Methoxy-4-((E)-2-nitrovinyl)phenol, 2-methoxy-4-(2-nitrovinyl)phenol.

What is the molecular formula and molecular weight of Dopamine Impurity 1?

Dopamine Impurity 1 has the molecular formula C9H9NO4 and a molecular weight of 195.17 g/mol. Its IUPAC name is 2-methoxy-4-[(E)-2-nitroethenyl]phenol.

What is Dopamine Impurity 1 used for?

Dopamine Impurity 1 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 Dopamine Impurity 1 can I order?

We supply Dopamine Impurity 1 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 Dopamine Impurity 1?

Yes. Every lot of Dopamine Impurity 1 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 Dopamine Impurity 1 be shipped internationally?

Yes. Dopamine Impurity 1 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.