Dopamine EP Impurity B (Freebase)

About Dopamine EP Impurity B (Freebase)

Dopamine EP Impurity B (Freebase) is a pharmacopeial impurity of Dopamine carrying the CAS registry number 554-52-9. The compound has the formula C9H13NO2, corresponding to a molecular weight of 167.2 g/mol. Systematically, it is named 4-(2-aminoethyl)-2-methoxyphenol. Common synonyms include 2-(4-Hydroxy-3-methoxyphenyl)ethylamine and 2-Methoxy-4-(2-aminoethyl)phenol.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

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. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Dopamine

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

Dopamine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Dopamine EP Impurity B (Freebase)
Catalogue No.	VQ-006340
CAS Number	554-52-9
Other CAS	1477-68-5
IUPAC name	4-(2-aminoethyl)-2-methoxyphenol
Molecular formula	C₉H₁₃NO₂
Molecular weight	167.2 g/mol
Exact mass	167.0946
Grade	Reference Standard
HSN code	38229090
InChIKey	DIVQKHQLANKJQO-UHFFFAOYSA-N
SMILES	COC1=C(C=CC(=C1)CCN)O
PubChem CID	1669

Physical properties
Physical form	Solid
LogP (XLogP3)	0.2
H-bond donors / acceptors	2 / 3
TPSA	55.5 Å²
Synonyms	2-(4-Hydroxy-3-methoxyphenyl)ethylamine, 2-Methoxy-4-(2-aminoethyl)phenol, 3-Methoxy-4-hydroxyphenethylamine, 3-Methoxy-4-hydroxyphenylethylamine, 3-Methoxy-p-tyramine, 3-Methoxydopamine, 3-Methoxytyramine, 3-MT, 3-O-Methyldopamine, 4-Hydroxy-3-methoxy-2-phenethylamine, 4-Hydroxy-3-methoxy-β-phenethylamine, 4-Hydroxy-3-methoxyphenethylamine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 EP Impurity B (Freebase)?

The CAS Registry Number of Dopamine EP Impurity B (Freebase) is 554-52-9. It is also known as 2-(4-Hydroxy-3-methoxyphenyl)ethylamine, 2-Methoxy-4-(2-aminoethyl)phenol, 3-Methoxy-4-hydroxyphenethylamine.

What is the molecular formula and molecular weight of Dopamine EP Impurity B (Freebase)?

Dopamine EP Impurity B (Freebase) has the molecular formula C9H13NO2 and a molecular weight of 167.2 g/mol. Its IUPAC name is 4-(2-aminoethyl)-2-methoxyphenol.

What is Dopamine EP Impurity B (Freebase) used for?

Dopamine EP Impurity B (Freebase) 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 EP Impurity B (Freebase) can I order?

We supply Dopamine EP Impurity B (Freebase) 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 EP Impurity B (Freebase)?

Yes. Every lot of Dopamine EP Impurity B (Freebase) 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 EP Impurity B (Freebase) be shipped internationally?

Yes. Dopamine EP Impurity B (Freebase) 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.